1. Exploración Analítica de Datos

1.1 Comprensión de la base

El objetivo es establecer qué contiene la base, cuál es su unidad de análisis y cuál es la calidad inicial de la información.

1.1.1 Preparación del entorno

Se prepara el entorno de análisis mediante la instalación y activación de los paquetes requeridos. Se incorpora adicionalmente plotly para generar visualizaciones interactivas, manteniendo el análisis dentro del alcance exploratorio.

# Instalación de paquetes
paquetes <- c("tidyverse", "ggplot2", "dplyr", "skimr", 
              "janitor", "plotly")

instalados <- rownames(installed.packages())

for (paquete in paquetes) {
  if (!(paquete %in% instalados)) {
    install.packages(paquete)
  }
}

# Activación de paquetes
library(tidyverse)
library(ggplot2)
library(dplyr)
library(skimr)
library(janitor)
library(plotly)

1.1.2 Importación de la base

# Importación de la base de datos
datos <- read_csv("brfss2020.csv")

# Limpieza inicial de nombres
datos <- clean_names(datos)

# Visualización inicial
head(datos)

1.1.3 Estructura general

La base BRFSS 2020 contiene información individual de una población encuestada, lo que permite establecer como unidad de análisis a la persona participante. La amplitud de la base permite explorar simultáneamente variables relacionadas con estado de salud, utilización y acceso a servicios, comportamientos y características sociodemográficas.

# Número de registros y variables
numero_registros <- nrow(datos)
numero_variables <- ncol(datos)

numero_registros
## [1] 401958
numero_variables
## [1] 279
# Estructura general
str(datos)
## spc_tbl_ [401,958 × 279] (S3: spec_tbl_df/tbl_df/tbl/data.frame)
##  $ state   : num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ fmonth  : num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ idate   : num [1:401958] 1042020 2072020 1232020 1092020 1042020 ...
##  $ imonth  : num [1:401958] 1 2 1 1 1 1 1 1 1 1 ...
##  $ iday    : num [1:401958] 4 7 23 9 4 9 9 29 30 4 ...
##  $ iyear   : num [1:401958] 2020 2020 2020 2020 2020 2020 2020 2020 2020 2020 ...
##  $ dispcode: num [1:401958] 1100 1200 1100 1100 1100 1100 1200 1200 1100 1100 ...
##  $ seqno   : num [1:401958] 2.02e+09 2.02e+09 2.02e+09 2.02e+09 2.02e+09 ...
##  $ psu     : num [1:401958] 2.02e+09 2.02e+09 2.02e+09 2.02e+09 2.02e+09 ...
##  $ ctelenm1: num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ pvtresd1: num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ colghous: logi [1:401958] NA NA NA NA NA NA ...
##  $ statere1: num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ celphone: num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ ladult1 : num [1:401958] 1 1 1 1 1 1 1 1 1 1 ...
##  $ colgsex : logi [1:401958] NA NA NA NA NA NA ...
##  $ numadult: num [1:401958] 1 1 1 1 1 2 1 1 3 1 ...
##  $ landsex : num [1:401958] 2 2 2 2 2 NA 2 2 NA 2 ...
##  $ nummen  : num [1:401958] 0 0 0 0 0 1 0 0 1 0 ...
##  $ numwomen: num [1:401958] 1 1 1 1 1 1 1 1 2 1 ...
##  $ respslct: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ safetime: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ ctelnum1: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ cellfon5: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ cadult1 : num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ cellsex : num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ pvtresd3: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ cclghous: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ cstate1 : num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ landline: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ hhadult : num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ sexvar  : num [1:401958] 2 2 2 2 2 1 2 2 2 2 ...
##  $ genhlth : num [1:401958] 2 3 3 1 2 4 3 4 2 4 ...
##  $ physhlth: num [1:401958] 3 88 88 88 88 20 88 15 28 6 ...
##  $ menthlth: num [1:401958] 30 88 88 88 88 30 88 10 88 88 ...
##  $ poorhlth: num [1:401958] 3 NA NA NA NA 88 NA 88 2 88 ...
##  $ hlthpln1: num [1:401958] 2 1 1 1 1 1 1 1 1 1 ...
##  $ persdoc2: num [1:401958] 3 1 1 3 1 1 1 2 1 2 ...
##  $ medcost : num [1:401958] 1 1 2 2 2 2 2 2 2 2 ...
##  $ checkup1: num [1:401958] 4 1 1 2 1 2 1 1 1 1 ...
##  $ exerany2: num [1:401958] 1 1 1 2 1 1 2 1 1 2 ...
##  $ sleptim1: num [1:401958] 5 7 7 6 7 8 6 6 8 12 ...
##  $ cvdinfr4: num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ cvdcrhd4: num [1:401958] 2 2 2 2 2 2 2 2 2 1 ...
##  $ cvdstrk3: num [1:401958] 2 2 2 2 1 2 2 2 2 2 ...
##  $ asthma3 : num [1:401958] 1 1 2 2 2 1 2 2 2 2 ...
##  $ asthnow : num [1:401958] 1 2 NA NA NA 1 NA NA NA NA ...
##  $ chcscncr: num [1:401958] 1 2 2 2 2 2 1 2 2 2 ...
##  $ chcocncr: num [1:401958] 1 2 1 2 2 2 1 1 2 2 ...
##  $ chccopd2: num [1:401958] 1 2 2 2 2 1 2 2 2 2 ...
##  $ havarth4: num [1:401958] 1 1 1 2 2 1 2 1 2 1 ...
##  $ addepev3: num [1:401958] 1 1 2 2 2 2 2 1 2 2 ...
##  $ chckdny2: num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ diabete4: num [1:401958] 1 3 3 3 3 1 3 1 3 3 ...
##  $ diabage3: num [1:401958] 35 NA NA NA NA 98 NA 25 NA NA ...
##  $ lastden4: num [1:401958] 1 1 1 7 7 3 1 1 1 4 ...
##  $ rmvteth4: num [1:401958] 2 1 7 1 8 1 1 7 8 7 ...
##  $ marital : num [1:401958] 2 3 1 3 3 4 1 1 2 3 ...
##  $ educa   : num [1:401958] 6 6 5 4 6 4 4 4 6 2 ...
##  $ renthom1: num [1:401958] 1 1 1 1 2 3 1 1 1 1 ...
##  $ numhhol3: num [1:401958] 2 1 2 9 2 2 1 2 1 2 ...
##  $ numphon3: num [1:401958] NA 1 NA NA NA NA 1 NA 1 NA ...
##  $ cpdemo1b: num [1:401958] 1 1 1 9 8 1 2 1 2 8 ...
##  $ veteran3: num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ employ1 : num [1:401958] 4 7 7 5 7 8 7 7 1 7 ...
##  $ children: num [1:401958] 88 88 88 88 88 88 88 88 2 88 ...
##  $ income2 : num [1:401958] 1 99 7 99 77 5 6 5 6 99 ...
##  $ pregnant: num [1:401958] NA NA NA NA NA NA NA NA 2 NA ...
##  $ weight2 : num [1:401958] 106 170 7777 9999 126 ...
##  $ height3 : num [1:401958] 507 504 508 9999 506 ...
##  $ deaf    : num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ blind   : num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ decide  : num [1:401958] 1 2 2 2 2 2 1 2 2 2 ...
##  $ diffwalk: num [1:401958] 2 2 2 2 2 2 2 2 1 1 ...
##  $ diffdres: num [1:401958] 2 2 2 2 2 2 2 2 2 2 ...
##  $ diffalon: num [1:401958] 2 2 2 2 2 1 2 2 2 2 ...
##  $ smoke100: num [1:401958] 1 NA 2 2 2 1 2 1 2 1 ...
##  $ smokday2: num [1:401958] 1 NA NA NA NA 3 NA 1 NA 3 ...
##  $ stopsmk2: num [1:401958] 2 NA NA NA NA NA NA 2 NA NA ...
##  $ lastsmk2: num [1:401958] NA NA NA NA NA 6 NA NA NA 7 ...
##  $ usenow3 : num [1:401958] 3 NA 3 3 3 1 3 3 3 3 ...
##  $ alcday5 : num [1:401958] 888 NA 888 888 888 888 888 NA 888 888 ...
##  $ avedrnk3: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ drnk3ge5: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ maxdrnks: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ flushot7: num [1:401958] 2 NA 1 2 1 1 1 NA 2 1 ...
##  $ flshtmy3: num [1:401958] NA NA 102019 NA 102019 ...
##  $ shingle2: num [1:401958] 2 NA 2 2 1 2 2 NA NA 2 ...
##  $ pneuvac4: num [1:401958] 2 NA 2 2 1 2 1 NA 2 1 ...
##  $ fall12mn: num [1:401958] 88 NA 88 88 88 2 88 NA NA 88 ...
##  $ fallinj4: num [1:401958] NA NA NA NA NA 88 NA NA NA NA ...
##  $ seatbelt: num [1:401958] 1 NA 1 1 1 2 1 NA 1 1 ...
##  $ drnkdri2: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##  $ hadmam  : num [1:401958] 1 NA 1 2 1 NA 1 NA 2 1 ...
##  $ howlong : num [1:401958] 3 NA 1 NA 1 NA 1 NA NA 3 ...
##  $ hadpap2 : num [1:401958] 1 NA 1 1 2 NA 1 NA 1 1 ...
##  $ lastpap2: num [1:401958] 4 NA 1 7 NA NA 5 NA 1 3 ...
##  $ hpvtest : num [1:401958] 2 NA 2 2 7 NA 7 NA 7 2 ...
##  $ hplsttst: num [1:401958] NA NA NA NA NA NA NA NA NA NA ...
##   [list output truncated]
##  - attr(*, "spec")=
##   .. cols(
##   ..   `_STATE` = col_double(),
##   ..   FMONTH = col_double(),
##   ..   IDATE = col_double(),
##   ..   IMONTH = col_double(),
##   ..   IDAY = col_double(),
##   ..   IYEAR = col_double(),
##   ..   DISPCODE = col_double(),
##   ..   SEQNO = col_double(),
##   ..   `_PSU` = col_double(),
##   ..   CTELENM1 = col_double(),
##   ..   PVTRESD1 = col_double(),
##   ..   COLGHOUS = col_logical(),
##   ..   STATERE1 = col_double(),
##   ..   CELPHONE = col_double(),
##   ..   LADULT1 = col_double(),
##   ..   COLGSEX = col_logical(),
##   ..   NUMADULT = col_double(),
##   ..   LANDSEX = col_double(),
##   ..   NUMMEN = col_double(),
##   ..   NUMWOMEN = col_double(),
##   ..   RESPSLCT = col_double(),
##   ..   SAFETIME = col_double(),
##   ..   CTELNUM1 = col_double(),
##   ..   CELLFON5 = col_double(),
##   ..   CADULT1 = col_double(),
##   ..   CELLSEX = col_double(),
##   ..   PVTRESD3 = col_double(),
##   ..   CCLGHOUS = col_double(),
##   ..   CSTATE1 = col_double(),
##   ..   LANDLINE = col_double(),
##   ..   HHADULT = col_double(),
##   ..   SEXVAR = col_double(),
##   ..   GENHLTH = col_double(),
##   ..   PHYSHLTH = col_double(),
##   ..   MENTHLTH = col_double(),
##   ..   POORHLTH = col_double(),
##   ..   HLTHPLN1 = col_double(),
##   ..   PERSDOC2 = col_double(),
##   ..   MEDCOST = col_double(),
##   ..   CHECKUP1 = col_double(),
##   ..   EXERANY2 = col_double(),
##   ..   SLEPTIM1 = col_double(),
##   ..   CVDINFR4 = col_double(),
##   ..   CVDCRHD4 = col_double(),
##   ..   CVDSTRK3 = col_double(),
##   ..   ASTHMA3 = col_double(),
##   ..   ASTHNOW = col_double(),
##   ..   CHCSCNCR = col_double(),
##   ..   CHCOCNCR = col_double(),
##   ..   CHCCOPD2 = col_double(),
##   ..   HAVARTH4 = col_double(),
##   ..   ADDEPEV3 = col_double(),
##   ..   CHCKDNY2 = col_double(),
##   ..   DIABETE4 = col_double(),
##   ..   DIABAGE3 = col_double(),
##   ..   LASTDEN4 = col_double(),
##   ..   RMVTETH4 = col_double(),
##   ..   MARITAL = col_double(),
##   ..   EDUCA = col_double(),
##   ..   RENTHOM1 = col_double(),
##   ..   NUMHHOL3 = col_double(),
##   ..   NUMPHON3 = col_double(),
##   ..   CPDEMO1B = col_double(),
##   ..   VETERAN3 = col_double(),
##   ..   EMPLOY1 = col_double(),
##   ..   CHILDREN = col_double(),
##   ..   INCOME2 = col_double(),
##   ..   PREGNANT = col_double(),
##   ..   WEIGHT2 = col_double(),
##   ..   HEIGHT3 = col_double(),
##   ..   DEAF = col_double(),
##   ..   BLIND = col_double(),
##   ..   DECIDE = col_double(),
##   ..   DIFFWALK = col_double(),
##   ..   DIFFDRES = col_double(),
##   ..   DIFFALON = col_double(),
##   ..   SMOKE100 = col_double(),
##   ..   SMOKDAY2 = col_double(),
##   ..   STOPSMK2 = col_double(),
##   ..   LASTSMK2 = col_double(),
##   ..   USENOW3 = col_double(),
##   ..   ALCDAY5 = col_double(),
##   ..   AVEDRNK3 = col_double(),
##   ..   DRNK3GE5 = col_double(),
##   ..   MAXDRNKS = col_double(),
##   ..   FLUSHOT7 = col_double(),
##   ..   FLSHTMY3 = col_double(),
##   ..   SHINGLE2 = col_double(),
##   ..   PNEUVAC4 = col_double(),
##   ..   FALL12MN = col_double(),
##   ..   FALLINJ4 = col_double(),
##   ..   SEATBELT = col_double(),
##   ..   DRNKDRI2 = col_double(),
##   ..   HADMAM = col_double(),
##   ..   HOWLONG = col_double(),
##   ..   HADPAP2 = col_double(),
##   ..   LASTPAP2 = col_double(),
##   ..   HPVTEST = col_double(),
##   ..   HPLSTTST = col_double(),
##   ..   HADHYST2 = col_double(),
##   ..   PCPSAAD3 = col_double(),
##   ..   PCPSADI1 = col_double(),
##   ..   PCPSARE1 = col_double(),
##   ..   PSATEST1 = col_double(),
##   ..   PSATIME = col_double(),
##   ..   PCPSARS1 = col_double(),
##   ..   COLNSCPY = col_double(),
##   ..   COLNTEST = col_double(),
##   ..   SIGMSCPY = col_double(),
##   ..   SIGMTEST = col_double(),
##   ..   BLDSTOL1 = col_double(),
##   ..   LSTBLDS4 = col_double(),
##   ..   STOOLDNA = col_double(),
##   ..   SDNATEST = col_double(),
##   ..   VIRCOLON = col_double(),
##   ..   VCLNTEST = col_double(),
##   ..   HIVTST7 = col_double(),
##   ..   HIVTSTD3 = col_double(),
##   ..   HIVRISK5 = col_double(),
##   ..   PDIABTST = col_double(),
##   ..   PREDIAB1 = col_double(),
##   ..   INSULIN1 = col_double(),
##   ..   BLDSUGAR = col_double(),
##   ..   FEETCHK3 = col_double(),
##   ..   DOCTDIAB = col_double(),
##   ..   CHKHEMO3 = col_double(),
##   ..   FEETCHK = col_double(),
##   ..   EYEEXAM1 = col_double(),
##   ..   DIABEYE = col_double(),
##   ..   DIABEDU = col_double(),
##   ..   TOLDCFS = col_logical(),
##   ..   HAVECFS = col_logical(),
##   ..   WORKCFS = col_logical(),
##   ..   TOLDHEPC = col_double(),
##   ..   TRETHEPC = col_logical(),
##   ..   PRIRHEPC = col_logical(),
##   ..   HAVEHEPC = col_logical(),
##   ..   HAVEHEPB = col_double(),
##   ..   MEDSHEPB = col_double(),
##   ..   HLTHCVR1 = col_double(),
##   ..   CIMEMLOS = col_double(),
##   ..   CDHOUSE = col_double(),
##   ..   CDASSIST = col_double(),
##   ..   CDHELP = col_double(),
##   ..   CDSOCIAL = col_double(),
##   ..   CDDISCUS = col_double(),
##   ..   CAREGIV1 = col_double(),
##   ..   CRGVREL4 = col_double(),
##   ..   CRGVLNG1 = col_double(),
##   ..   CRGVHRS1 = col_double(),
##   ..   CRGVPRB3 = col_double(),
##   ..   CRGVALZD = col_double(),
##   ..   CRGVPER1 = col_double(),
##   ..   CRGVHOU1 = col_double(),
##   ..   CRGVEXPT = col_double(),
##   ..   ECIGARET = col_double(),
##   ..   ECIGNOW = col_double(),
##   ..   MARIJAN1 = col_double(),
##   ..   USEMRJN2 = col_double(),
##   ..   RSNMRJN1 = col_double(),
##   ..   LCSFIRST = col_double(),
##   ..   LCSLAST = col_double(),
##   ..   LCSNUMCG = col_double(),
##   ..   LCSCTSCN = col_double(),
##   ..   CNCRDIFF = col_double(),
##   ..   CNCRAGE = col_double(),
##   ..   CNCRTYP1 = col_double(),
##   ..   CSRVTRT3 = col_double(),
##   ..   CSRVDOC1 = col_double(),
##   ..   CSRVSUM = col_double(),
##   ..   CSRVRTRN = col_double(),
##   ..   CSRVINST = col_double(),
##   ..   CSRVINSR = col_double(),
##   ..   CSRVDEIN = col_double(),
##   ..   CSRVCLIN = col_double(),
##   ..   CSRVPAIN = col_double(),
##   ..   CSRVCTL2 = col_double(),
##   ..   PCPSADE1 = col_double(),
##   ..   PCDMDEC1 = col_logical(),
##   ..   HPVADVC4 = col_double(),
##   ..   HPVADSHT = col_double(),
##   ..   TETANUS1 = col_double(),
##   ..   IMFVPLA1 = col_double(),
##   ..   BIRTHSEX = col_double(),
##   ..   SOMALE = col_double(),
##   ..   SOFEMALE = col_double(),
##   ..   TRNSGNDR = col_double(),
##   ..   ACEDEPRS = col_double(),
##   ..   ACEDRINK = col_double(),
##   ..   ACEDRUGS = col_double(),
##   ..   ACEPRISN = col_double(),
##   ..   ACEDIVRC = col_double(),
##   ..   ACEPUNCH = col_double(),
##   ..   ACEHURT1 = col_double(),
##   ..   ACESWEAR = col_double(),
##   ..   ACETOUCH = col_double(),
##   ..   ACETTHEM = col_double(),
##   ..   ACEHVSEX = col_double(),
##   ..   RCSGENDR = col_double(),
##   ..   RCSRLTN2 = col_double(),
##   ..   CASTHDX2 = col_double(),
##   ..   CASTHNO2 = col_double(),
##   ..   QSTVER = col_double(),
##   ..   QSTLANG = col_double(),
##   ..   `_METSTAT` = col_double(),
##   ..   `_URBSTAT` = col_double(),
##   ..   MSCODE = col_double(),
##   ..   `_STSTR` = col_double(),
##   ..   `_STRWT` = col_double(),
##   ..   `_RAWRAKE` = col_double(),
##   ..   `_WT2RAKE` = col_double(),
##   ..   `_IMPRACE` = col_double(),
##   ..   `_CHISPNC` = col_double(),
##   ..   `_CRACE1` = col_double(),
##   ..   `_CPRACE` = col_double(),
##   ..   `_CLLCPWT` = col_double(),
##   ..   `_DUALUSE` = col_double(),
##   ..   `_DUALCOR` = col_double(),
##   ..   `_LLCPWT2` = col_double(),
##   ..   `_LLCPWT` = col_double(),
##   ..   `_RFHLTH` = col_double(),
##   ..   `_PHYS14D` = col_double(),
##   ..   `_MENT14D` = col_double(),
##   ..   `_HCVU651` = col_double(),
##   ..   `_TOTINDA` = col_double(),
##   ..   `_MICHD` = col_double(),
##   ..   `_LTASTH1` = col_double(),
##   ..   `_CASTHM1` = col_double(),
##   ..   `_ASTHMS1` = col_double(),
##   ..   `_DRDXAR2` = col_double(),
##   ..   `_EXTETH3` = col_double(),
##   ..   `_ALTETH3` = col_double(),
##   ..   `_DENVST3` = col_double(),
##   ..   `_PRACE1` = col_double(),
##   ..   `_MRACE1` = col_double(),
##   ..   `_HISPANC` = col_double(),
##   ..   `_RACE` = col_double(),
##   ..   `_RACEG21` = col_double(),
##   ..   `_RACEGR3` = col_double(),
##   ..   `_RACEPRV` = col_double(),
##   ..   `_SEX` = col_double(),
##   ..   `_AGEG5YR` = col_double(),
##   ..   `_AGE65YR` = col_double(),
##   ..   `_AGE80` = col_double(),
##   ..   `_AGE_G` = col_double(),
##   ..   HTIN4 = col_double(),
##   ..   HTM4 = col_double(),
##   ..   WTKG3 = col_double(),
##   ..   `_BMI5` = col_double(),
##   ..   `_BMI5CAT` = col_double(),
##   ..   `_RFBMI5` = col_double(),
##   ..   `_CHLDCNT` = col_double(),
##   ..   `_EDUCAG` = col_double(),
##   ..   `_INCOMG` = col_double(),
##   ..   `_SMOKER3` = col_double(),
##   ..   `_RFSMOK3` = col_double(),
##   ..   DRNKANY5 = col_double(),
##   ..   DROCDY3_ = col_double(),
##   ..   `_RFBING5` = col_double(),
##   ..   `_DRNKWK1` = col_double(),
##   ..   `_RFDRHV7` = col_double(),
##   ..   `_FLSHOT7` = col_double(),
##   ..   `_PNEUMO3` = col_double(),
##   ..   `_RFSEAT2` = col_double(),
##   ..   `_RFSEAT3` = col_double(),
##   ..   `_DRNKDRV` = col_double(),
##   ..   `_RFMAM22` = col_double(),
##   ..   `_MAM5023` = col_double(),
##   ..   `_RFPAP35` = col_double(),
##   ..   `_RFPSA23` = col_double(),
##   ..   `_CLNSCPY` = col_double(),
##   ..   `_SGMSCPY` = col_double(),
##   ..   `_SGMS10Y` = col_double(),
##   ..   `_RFBLDS4` = col_double(),
##   ..   `_STOLDNA` = col_double(),
##   ..   `_VIRCOLN` = col_double(),
##   ..   `_SBONTIM` = col_double(),
##   ..   `_CRCREC1` = col_double(),
##   ..   `_AIDTST4` = col_double()
##   .. )
##  - attr(*, "problems")=<externalptr>
# Resumen estadístico
summary(datos)
##      state           fmonth           idate              imonth      
##  Min.   : 1.00   Min.   : 1.000   Min.   : 1012021   Min.   : 1.000  
##  1st Qu.:18.00   1st Qu.: 3.000   1st Qu.: 3262020   1st Qu.: 3.000  
##  Median :29.00   Median : 6.000   Median : 6252020   Median : 6.000  
##  Mean   :30.01   Mean   : 5.959   Mean   : 6662701   Mean   : 6.511  
##  3rd Qu.:41.00   3rd Qu.: 9.000   3rd Qu.:10052020   3rd Qu.:10.000  
##  Max.   :72.00   Max.   :12.000   Max.   :12312020   Max.   :12.000  
##                                                                      
##       iday           iyear         dispcode        seqno         
##  Min.   : 1.00   Min.   :2020   Min.   :1100   Min.   :2.02e+09  
##  1st Qu.: 8.00   1st Qu.:2020   1st Qu.:1100   1st Qu.:2.02e+09  
##  Median :15.00   Median :2020   Median :1100   Median :2.02e+09  
##  Mean   :15.01   Mean   :2020   Mean   :1118   Mean   :2.02e+09  
##  3rd Qu.:22.00   3rd Qu.:2020   3rd Qu.:1100   3rd Qu.:2.02e+09  
##  Max.   :31.00   Max.   :2021   Max.   :1200   Max.   :2.02e+09  
##                                                                  
##       psu              ctelenm1         pvtresd1      colghous      
##  Min.   :2.02e+09   Min.   :1        Min.   :1        Mode:logical  
##  1st Qu.:2.02e+09   1st Qu.:1        1st Qu.:1        NA's:401958   
##  Median :2.02e+09   Median :1        Median :1                      
##  Mean   :2.02e+09   Mean   :1        Mean   :1                      
##  3rd Qu.:2.02e+09   3rd Qu.:1        3rd Qu.:1                      
##  Max.   :2.02e+09   Max.   :1        Max.   :2                      
##                     NA's   :277207   NA's   :277207                 
##     statere1         celphone         ladult1       colgsex       
##  Min.   :1        Min.   :2        Min.   :1.000    Mode:logical  
##  1st Qu.:1        1st Qu.:2        1st Qu.:1.000    NA's:401958   
##  Median :1        Median :2        Median :1.000                  
##  Mean   :1        Mean   :2        Mean   :1.009                  
##  3rd Qu.:1        3rd Qu.:2        3rd Qu.:1.000                  
##  Max.   :1        Max.   :2        Max.   :2.000                  
##  NA's   :277207   NA's   :277207   NA's   :277207                 
##     numadult         landsex           nummen          numwomen     
##  Min.   : 1.000   Min.   :0.00     Min.   : 0.000   Min.   : 0.000  
##  1st Qu.: 1.000   1st Qu.:1.00     1st Qu.: 0.000   1st Qu.: 1.000  
##  Median : 2.000   Median :2.00     Median : 1.000   Median : 1.000  
##  Mean   : 1.752   Mean   :1.69     Mean   : 0.822   Mean   : 0.993  
##  3rd Qu.: 2.000   3rd Qu.:2.00     3rd Qu.: 1.000   3rd Qu.: 1.000  
##  Max.   :18.000   Max.   :9.00     Max.   :18.000   Max.   :18.000  
##  NA's   :277216   NA's   :350509   NA's   :291536   NA's   :291536  
##     respslct         safetime         ctelnum1         cellfon5     
##  Min.   :1.00     Min.   :1        Min.   :1        Min.   :1       
##  1st Qu.:1.00     1st Qu.:1        1st Qu.:1        1st Qu.:1       
##  Median :2.00     Median :1        Median :1        Median :1       
##  Mean   :1.53     Mean   :1        Mean   :1        Mean   :1       
##  3rd Qu.:2.00     3rd Qu.:1        3rd Qu.:1        3rd Qu.:1       
##  Max.   :2.00     Max.   :1        Max.   :1        Max.   :1       
##  NA's   :354532   NA's   :124751   NA's   :124751   NA's   :124751  
##     cadult1          cellsex          pvtresd3         cclghous     
##  Min.   :1        Min.   :1.000    Min.   :1.000    Min.   :1       
##  1st Qu.:1        1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1       
##  Median :1        Median :2.000    Median :1.000    Median :1       
##  Mean   :1        Mean   :1.506    Mean   :1.004    Mean   :1       
##  3rd Qu.:1        3rd Qu.:2.000    3rd Qu.:1.000    3rd Qu.:1       
##  Max.   :1        Max.   :2.000    Max.   :2.000    Max.   :1       
##  NA's   :124755   NA's   :124771   NA's   :124752   NA's   :400979  
##     cstate1          landline         hhadult           sexvar     
##  Min.   :1.000    Min.   :1.000    Min.   : 1.000   Min.   :1.000  
##  1st Qu.:1.000    1st Qu.:1.000    1st Qu.: 2.000   1st Qu.:1.000  
##  Median :1.000    Median :2.000    Median : 2.000   Median :2.000  
##  Mean   :1.071    Mean   :1.766    Mean   : 2.805   Mean   :1.542  
##  3rd Qu.:1.000    3rd Qu.:2.000    3rd Qu.: 3.000   3rd Qu.:2.000  
##  Max.   :2.000    Max.   :9.000    Max.   :99.000   Max.   :2.000  
##  NA's   :124758   NA's   :124752   NA's   :124753                  
##     genhlth         physhlth        menthlth        poorhlth     
##  Min.   :1.000   Min.   : 1.00   Min.   : 1.00   Min.   : 1.00   
##  1st Qu.:2.000   1st Qu.:30.00   1st Qu.:15.00   1st Qu.:10.00   
##  Median :2.000   Median :88.00   Median :88.00   Median :88.00   
##  Mean   :2.453   Mean   :66.14   Mean   :61.45   Mean   :55.68   
##  3rd Qu.:3.000   3rd Qu.:88.00   3rd Qu.:88.00   3rd Qu.:88.00   
##  Max.   :9.000   Max.   :99.00   Max.   :99.00   Max.   :99.00   
##  NA's   :8       NA's   :5       NA's   :5       NA's   :200343  
##     hlthpln1       persdoc2       medcost         checkup1        exerany2    
##  Min.   :1.00   Min.   :1.00   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.00   1st Qu.:1.00   1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :1.00   Median :1.00   Median :2.000   Median :1.000   Median :1.000  
##  Mean   :1.12   Mean   :1.45   Mean   :1.929   Mean   :1.462   Mean   :1.249  
##  3rd Qu.:1.00   3rd Qu.:1.00   3rd Qu.:2.000   3rd Qu.:1.000   3rd Qu.:1.000  
##  Max.   :9.00   Max.   :9.00   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##  NA's   :3      NA's   :3      NA's   :3       NA's   :5       NA's   :3      
##     sleptim1         cvdinfr4        cvdcrhd4        cvdstrk3    
##  Min.   : 1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 6.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median : 7.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   : 7.945   Mean   :1.973   Mean   :1.986   Mean   :1.977  
##  3rd Qu.: 8.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :99.000   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##  NA's   :3        NA's   :6       NA's   :3       NA's   :3      
##     asthma3         asthnow          chcscncr        chcocncr    
##  Min.   :1.000   Min.   :1.00     Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:1.00     1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :1.00     Median :2.000   Median :2.000  
##  Mean   :1.884   Mean   :1.44     Mean   :1.927   Mean   :1.925  
##  3rd Qu.:2.000   3rd Qu.:2.00     3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :9.000   Max.   :9.00     Max.   :9.000   Max.   :9.000  
##  NA's   :3       NA's   :347817   NA's   :3       NA's   :3      
##     chccopd2        havarth4        addepev3        chckdny2    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.948   Mean   :1.721   Mean   :1.841   Mean   :1.983  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :9.000   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##  NA's   :5       NA's   :5       NA's   :6       NA's   :6      
##     diabete4        diabage3         lastden4        rmvteth4    
##  Min.   :1.000   Min.   : 1.00    Min.   :1.000   Min.   :1.000  
##  1st Qu.:3.000   1st Qu.:41.00    1st Qu.:1.000   1st Qu.:1.000  
##  Median :3.000   Median :52.00    Median :1.000   Median :8.000  
##  Mean   :2.763   Mean   :53.17    Mean   :1.729   Mean   :5.022  
##  3rd Qu.:3.000   3rd Qu.:62.00    3rd Qu.:2.000   3rd Qu.:8.000  
##  Max.   :9.000   Max.   :99.00    Max.   :9.000   Max.   :9.000  
##  NA's   :6       NA's   :349864   NA's   :7       NA's   :7      
##     marital          educa          renthom1        numhhol3     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000   
##  1st Qu.:1.000   1st Qu.:4.000   1st Qu.:1.000   1st Qu.:2.000   
##  Median :1.000   Median :5.000   Median :1.000   Median :2.000   
##  Mean   :2.388   Mean   :4.985   Mean   :1.409   Mean   :1.808   
##  3rd Qu.:3.000   3rd Qu.:6.000   3rd Qu.:2.000   3rd Qu.:2.000   
##  Max.   :9.000   Max.   :9.000   Max.   :9.000   Max.   :9.000   
##  NA's   :12      NA's   :12      NA's   :15      NA's   :277212  
##     numphon3         cpdemo1b        veteran3       employ1     
##  Min.   :1.00     Min.   :1.000   Min.   :1.0    Min.   :1.000  
##  1st Qu.:1.00     1st Qu.:1.000   1st Qu.:2.0    1st Qu.:1.000  
##  Median :1.00     Median :1.000   Median :2.0    Median :2.000  
##  Mean   :1.66     Mean   :1.515   Mean   :1.9    Mean   :3.844  
##  3rd Qu.:2.00     3rd Qu.:1.000   3rd Qu.:2.0    3rd Qu.:7.000  
##  Max.   :9.00     Max.   :9.000   Max.   :9.0    Max.   :9.000  
##  NA's   :371708   NA's   :116     NA's   :1307   NA's   :2925   
##     children        income2         pregnant         weight2      
##  Min.   : 1.00   Min.   : 1.00   Min.   :1.00     Min.   :  50.0  
##  1st Qu.: 4.00   1st Qu.: 5.00   1st Qu.:2.00     1st Qu.: 150.0  
##  Median :88.00   Median : 7.00   Median :2.00     Median : 180.0  
##  Mean   :65.48   Mean   :21.51   Mean   :2.01     Mean   : 796.7  
##  3rd Qu.:88.00   3rd Qu.: 8.00   3rd Qu.:2.00     3rd Qu.: 217.0  
##  Max.   :99.00   Max.   :99.00   Max.   :9.00     Max.   :9999.0  
##  NA's   :4767    NA's   :7358    NA's   :326368   NA's   :9852    
##     height3           deaf           blind           decide     
##  Min.   : 204    Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 504    1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median : 507    Median :2.000   Median :2.000   Median :2.000  
##  Mean   : 807    Mean   :1.936   Mean   :1.968   Mean   :1.938  
##  3rd Qu.: 510    3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :9999    Max.   :9.000   Max.   :9.000   Max.   :9.000  
##  NA's   :10824   NA's   :12415   NA's   :13324   NA's   :14351  
##     diffwalk        diffdres        diffalon        smoke100    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.873   Mean   :1.976   Mean   :1.951   Mean   :1.632  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :9.000   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##  NA's   :15280   NA's   :15892   NA's   :16769   NA's   :17860  
##     smokday2         stopsmk2         lastsmk2         usenow3     
##  Min.   :1.000    Min.   :1.0      Min.   : 1.000   Min.   :1.000  
##  1st Qu.:2.000    1st Qu.:1.0      1st Qu.: 6.000   1st Qu.:3.000  
##  Median :3.000    Median :1.0      Median : 7.000   Median :3.000  
##  Mean   :2.432    Mean   :1.5      Mean   : 6.824   Mean   :2.962  
##  3rd Qu.:3.000    3rd Qu.:2.0      3rd Qu.: 7.000   3rd Qu.:3.000  
##  Max.   :9.000    Max.   :9.0      Max.   :99.000   Max.   :9.000  
##  NA's   :245324   NA's   :349535   NA's   :298233   NA's   :18493  
##     alcday5         avedrnk3         drnk3ge5         maxdrnks     
##  Min.   :101.0   Min.   : 1.000   Min.   : 1.00    Min.   : 1.000  
##  1st Qu.:202.0   1st Qu.: 1.000   1st Qu.:30.00    1st Qu.: 1.000  
##  Median :230.0   Median : 2.000   Median :88.00    Median : 2.000  
##  Mean   :530.9   Mean   : 4.077   Mean   :66.37    Mean   : 6.222  
##  3rd Qu.:888.0   3rd Qu.: 3.000   3rd Qu.:88.00    3rd Qu.: 4.000  
##  Max.   :999.0   Max.   :99.000   Max.   :99.00    Max.   :99.000  
##  NA's   :20927   NA's   :211099   NA's   :211626   NA's   :212112  
##     flushot7        flshtmy3         shingle2         pneuvac4    
##  Min.   :1.000   Min.   : 12019   Min.   :1.000    Min.   :1.000  
##  1st Qu.:1.000   1st Qu.: 92020   1st Qu.:1.000    1st Qu.:1.000  
##  Median :1.000   Median :102019   Median :2.000    Median :2.000  
##  Mean   :1.511   Mean   :138214   Mean   :1.739    Mean   :2.055  
##  3rd Qu.:2.000   3rd Qu.:112019   3rd Qu.:2.000    3rd Qu.:2.000  
##  Max.   :9.000   Max.   :999999   Max.   :9.000    Max.   :9.000  
##  NA's   :23525   NA's   :205030   NA's   :165874   NA's   :24437  
##     fall12mn         fallinj4         seatbelt        drnkdri2     
##  Min.   : 1.00    Min.   : 1.00    Min.   :1.000   Min.   : 1.00   
##  1st Qu.:10.00    1st Qu.: 1.00    1st Qu.:1.000   1st Qu.:88.00   
##  Median :88.00    Median :88.00    Median :1.000   Median :88.00   
##  Mean   :65.78    Mean   :56.65    Mean   :1.259   Mean   :86.01   
##  3rd Qu.:88.00    3rd Qu.:88.00    3rd Qu.:1.000   3rd Qu.:88.00   
##  Max.   :99.00    Max.   :99.00    Max.   :9.000   Max.   :99.00   
##  NA's   :137808   NA's   :333322   NA's   :25511   NA's   :208430  
##      hadmam          howlong          hadpap2          lastpap2     
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.000   
##  Median :1.000    Median :1.000    Median :1.000    Median :3.000   
##  Mean   :1.256    Mean   :2.017    Mean   :1.129    Mean   :2.954   
##  3rd Qu.:1.000    3rd Qu.:2.000    3rd Qu.:1.000    3rd Qu.:5.000   
##  Max.   :9.000    Max.   :9.000    Max.   :9.000    Max.   :9.000   
##  NA's   :198438   NA's   :245446   NA's   :198942   NA's   :215438  
##     hpvtest          hplsttst         hadhyst2         pcpsaad3     
##  Min.   :1.00     Min.   :1.00     Min.   :1.000    Min.   :1.00    
##  1st Qu.:1.00     1st Qu.:1.00     1st Qu.:1.000    1st Qu.:1.00    
##  Median :2.00     Median :2.00     Median :2.000    Median :2.00    
##  Mean   :2.95     Mean   :2.95     Mean   :1.766    Mean   :1.75    
##  3rd Qu.:7.00     3rd Qu.:5.00     3rd Qu.:2.000    3rd Qu.:2.00    
##  Max.   :9.00     Max.   :9.00     Max.   :9.000    Max.   :9.00    
##  NA's   :199388   NA's   :336493   NA's   :201690   NA's   :275393  
##     pcpsadi1         pcpsare1         psatest1         psatime      
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.00    
##  1st Qu.:2.000    1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.00    
##  Median :2.000    Median :2.000    Median :2.000    Median :1.00    
##  Mean   :2.014    Mean   :1.825    Mean   :1.824    Mean   :2.13    
##  3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:3.00    
##  Max.   :9.000    Max.   :9.000    Max.   :9.000    Max.   :9.00    
##  NA's   :275622   NA's   :275882   NA's   :276043   NA's   :343595  
##     pcpsars1         colnscpy         colntest         sigmscpy     
##  Min.   :1.00     Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:1.00     1st Qu.:1.000    1st Qu.:2.000    1st Qu.:2.000   
##  Median :1.00     Median :1.000    Median :3.000    Median :2.000   
##  Mean   :1.83     Mean   :1.339    Mean   :2.944    Mean   :2.139   
##  3rd Qu.:2.00     3rd Qu.:2.000    3rd Qu.:4.000    3rd Qu.:2.000   
##  Max.   :9.00     Max.   :9.000    Max.   :9.000    Max.   :9.000   
##  NA's   :343707   NA's   :143403   NA's   :220603   NA's   :143927  
##     sigmtest         bldstol1         lstblds4         stooldna     
##  Min.   :1.00     Min.   :1.00     Min.   :1.00     Min.   :1.000   
##  1st Qu.:3.00     1st Qu.:1.00     1st Qu.:1.00     1st Qu.:2.000   
##  Median :5.00     Median :2.00     Median :3.00     Median :2.000   
##  Mean   :4.19     Mean   :1.75     Mean   :3.21     Mean   :2.022   
##  3rd Qu.:5.00     3rd Qu.:2.00     3rd Qu.:5.00     3rd Qu.:2.000   
##  Max.   :9.00     Max.   :9.00     Max.   :9.00     Max.   :9.000   
##  NA's   :370070   NA's   :144393   NA's   :318862   NA's   :144914  
##     sdnatest         vircolon         vclntest         hivtst7     
##  Min.   :1.00     Min.   :1.00     Min.   :1.00     Min.   :1.000  
##  1st Qu.:1.00     1st Qu.:2.00     1st Qu.:2.00     1st Qu.:1.000  
##  Median :2.00     Median :2.00     Median :4.00     Median :2.000  
##  Mean   :2.83     Mean   :2.12     Mean   :3.65     Mean   :1.942  
##  3rd Qu.:5.00     3rd Qu.:2.00     3rd Qu.:5.00     3rd Qu.:2.000  
##  Max.   :9.00     Max.   :9.00     Max.   :9.00     Max.   :9.000  
##  NA's   :383572   NA's   :145453   NA's   :390737   NA's   :34037  
##     hivtstd3         hivrisk5        pdiabtst         prediab1     
##  Min.   : 11985   Min.   :1.000   Min.   :1.00     Min.   :1.000   
##  1st Qu.: 62020   1st Qu.:2.000   1st Qu.:1.00     1st Qu.:3.000   
##  Median :771990   Median :2.000   Median :1.00     Median :3.000   
##  Mean   :430216   Mean   :1.996   Mean   :1.65     Mean   :2.751   
##  3rd Qu.:777777   3rd Qu.:2.000   3rd Qu.:2.00     3rd Qu.:3.000   
##  Max.   :999999   Max.   :9.000   Max.   :9.00     Max.   :9.000   
##  NA's   :285136   NA's   :35932   NA's   :183016   NA's   :182965  
##     insulin1         bldsugar         feetchk3         doctdiab     
##  Min.   :1.00     Min.   :101.0    Min.   :101.0    Min.   : 1.00   
##  1st Qu.:1.00     1st Qu.:101.0    1st Qu.:101.0    1st Qu.: 2.00   
##  Median :2.00     Median :103.0    Median :101.0    Median : 3.00   
##  Mean   :1.69     Mean   :255.4    Mean   :274.3    Mean   :15.69   
##  3rd Qu.:2.00     3rd Qu.:301.0    3rd Qu.:301.0    3rd Qu.: 4.00   
##  Max.   :9.00     Max.   :999.0    Max.   :999.0    Max.   :99.00   
##  NA's   :388849   NA's   :388850   NA's   :388850   NA's   :388850  
##     chkhemo3         feetchk          eyeexam1         diabeye      
##  Min.   : 1.00    Min.   : 1.00    Min.   :1.00     Min.   :1.0     
##  1st Qu.: 2.00    1st Qu.: 2.00    1st Qu.:2.00     1st Qu.:2.0     
##  Median : 3.00    Median : 4.00    Median :2.00     Median :2.0     
##  Mean   :13.26    Mean   :27.34    Mean   :2.47     Mean   :1.9     
##  3rd Qu.: 4.00    3rd Qu.:88.00    3rd Qu.:3.00     3rd Qu.:2.0     
##  Max.   :99.00    Max.   :99.00    Max.   :9.00     Max.   :9.0     
##  NA's   :388850   NA's   :388925   NA's   :388850   NA's   :388850  
##     diabedu       toldcfs        havecfs        workcfs           toldhepc     
##  Min.   :1.00     Mode:logical   Mode:logical   Mode:logical   Min.   :1.00    
##  1st Qu.:1.00     NA's:401958    NA's:401958    NA's:401958    1st Qu.:2.00    
##  Median :1.00                                                  Median :2.00    
##  Mean   :1.51                                                  Mean   :2.01    
##  3rd Qu.:2.00                                                  3rd Qu.:2.00    
##  Max.   :9.00                                                  Max.   :9.00    
##  NA's   :388850                                                NA's   :383151  
##  trethepc       prirhepc       havehepc          havehepb         medshepb     
##  Mode:logical   Mode:logical   Mode:logical   Min.   :1.00     Min.   :1.00    
##  NA's:401958    NA's:401958    NA's:401958    1st Qu.:2.00     1st Qu.:2.00    
##                                               Median :2.00     Median :2.00    
##                                               Mean   :2.02     Mean   :1.99    
##                                               3rd Qu.:2.00     3rd Qu.:2.00    
##                                               Max.   :9.00     Max.   :7.00    
##                                               NA's   :383186   NA's   :401807  
##     hlthcvr1         cimemlos         cdhouse          cdassist     
##  Min.   : 1.00    Min.   :1.00     Min.   :1.0      Min.   :1.00    
##  1st Qu.: 1.00    1st Qu.:2.00     1st Qu.:3.0      1st Qu.:3.00    
##  Median : 3.00    Median :2.00     Median :5.0      Median :5.00    
##  Mean   : 4.47    Mean   :1.96     Mean   :4.1      Mean   :4.18    
##  3rd Qu.: 3.00    3rd Qu.:2.00     3rd Qu.:5.0      3rd Qu.:5.00    
##  Max.   :99.00    Max.   :9.00     Max.   :9.0      Max.   :9.00    
##  NA's   :362563   NA's   :334120   NA's   :395834   NA's   :395847  
##      cdhelp          cdsocial         cddiscus         caregiv1     
##  Min.   :1.00     Min.   :1.00     Min.   :1.00     Min.   :1.00    
##  1st Qu.:1.00     1st Qu.:3.00     1st Qu.:1.00     1st Qu.:2.00    
##  Median :2.00     Median :5.00     Median :2.00     Median :2.00    
##  Mean   :2.22     Mean   :4.13     Mean   :1.61     Mean   :1.86    
##  3rd Qu.:3.00     3rd Qu.:5.00     3rd Qu.:2.00     3rd Qu.:2.00    
##  Max.   :9.00     Max.   :9.00     Max.   :9.00     Max.   :9.00    
##  NA's   :400293   NA's   :395855   NA's   :395865   NA's   :371480  
##     crgvrel4         crgvlng1         crgvhrs1         crgvprb3     
##  Min.   : 1.00    Min.   :1.00     Min.   :1.0      Min.   : 1.00   
##  1st Qu.: 2.00    1st Qu.:2.00     1st Qu.:1.0      1st Qu.: 5.00   
##  Median : 6.00    Median :4.00     Median :2.0      Median :11.00   
##  Mean   : 8.27    Mean   :3.49     Mean   :2.5      Mean   :13.83   
##  3rd Qu.:12.00    3rd Qu.:5.00     3rd Qu.:4.0      3rd Qu.:15.00   
##  Max.   :99.00    Max.   :9.00     Max.   :9.0      Max.   :99.00   
##  NA's   :396104   NA's   :396112   NA's   :396130   NA's   :396148  
##     crgvalzd         crgvper1         crgvhou1         crgvexpt     
##  Min.   :1        Min.   :1.00     Min.   :1.00     Min.   :1.00    
##  1st Qu.:2        1st Qu.:1.00     1st Qu.:1.00     1st Qu.:2.00    
##  Median :2        Median :1.00     Median :1.00     Median :2.00    
##  Mean   :2        Mean   :1.55     Mean   :1.41     Mean   :2.15    
##  3rd Qu.:2        3rd Qu.:2.00     3rd Qu.:1.00     3rd Qu.:2.00    
##  Max.   :9        Max.   :9.00     Max.   :9.00     Max.   :9.00    
##  NA's   :396612   NA's   :396163   NA's   :396172   NA's   :372320  
##     ecigaret         ecignow          marijan1         usemrjn2     
##  Min.   :1.000    Min.   :1.00     Min.   : 1.00    Min.   :1.00    
##  1st Qu.:2.000    1st Qu.:3.00     1st Qu.:88.00    1st Qu.:1.00    
##  Median :2.000    Median :3.00     Median :88.00    Median :1.00    
##  Mean   :1.824    Mean   :2.73     Mean   :81.71    Mean   :1.73    
##  3rd Qu.:2.000    3rd Qu.:3.00     3rd Qu.:88.00    3rd Qu.:2.00    
##  Max.   :9.000    Max.   :9.00     Max.   :99.00    Max.   :9.00    
##  NA's   :137397   NA's   :351208   NA's   :271339   NA's   :390513  
##     rsnmrjn1         lcsfirst         lcslast          lcsnumcg     
##  Min.   :1.00     Min.   :  1.00   Min.   :  1.00   Min.   :  1.00  
##  1st Qu.:1.00     1st Qu.: 15.00   1st Qu.: 30.00   1st Qu.:  8.00  
##  Median :2.00     Median : 17.00   Median : 41.00   Median : 15.00  
##  Mean   :2.07     Mean   : 68.82   Mean   : 88.32   Mean   : 50.68  
##  3rd Qu.:3.00     3rd Qu.: 20.00   3rd Qu.: 58.00   3rd Qu.: 20.00  
##  Max.   :9.00     Max.   :999.00   Max.   :999.00   Max.   :999.00  
##  NA's   :390525   NA's   :387914   NA's   :388332   NA's   :388351  
##     lcsctscn         cncrdiff         cncrage          cncrtyp1     
##  Min.   :1.00     Min.   :1.0      Min.   : 1.00    Min.   : 1.0    
##  1st Qu.:2.00     1st Qu.:1.0      1st Qu.:47.00    1st Qu.:10.0    
##  Median :2.00     Median :1.0      Median :59.00    Median :21.0    
##  Mean   :2.19     Mean   :1.4      Mean   :57.77    Mean   :19.5    
##  3rd Qu.:2.00     3rd Qu.:1.0      3rd Qu.:69.00    3rd Qu.:22.0    
##  Max.   :9.00     Max.   :9.0      Max.   :99.00    Max.   :99.0    
##  NA's   :370711   NA's   :378792   NA's   :379265   NA's   :379282  
##     csrvtrt3         csrvdoc1         csrvsum          csrvrtrn     
##  Min.   :1.00     Min.   : 1.00    Min.   :1.00     Min.   :1.00    
##  1st Qu.:2.00     1st Qu.: 2.00    1st Qu.:1.00     1st Qu.:1.00    
##  Median :2.00     Median : 5.00    Median :2.00     Median :1.00    
##  Mean   :2.85     Mean   : 6.74    Mean   :1.95     Mean   :1.39    
##  3rd Qu.:5.00     3rd Qu.: 5.00    3rd Qu.:2.00     3rd Qu.:2.00    
##  Max.   :9.00     Max.   :99.00    Max.   :9.00     Max.   :9.00    
##  NA's   :377950   NA's   :388388   NA's   :388401   NA's   :388422  
##     csrvinst         csrvinsr         csrvdein         csrvclin     
##  Min.   :1.00     Min.   :1.00     Min.   :1.00     Min.   :1.00    
##  1st Qu.:1.00     1st Qu.:1.00     1st Qu.:2.00     1st Qu.:2.00    
##  Median :1.00     Median :1.00     Median :2.00     Median :2.00    
##  Mean   :1.62     Mean   :1.13     Mean   :1.98     Mean   :2.03    
##  3rd Qu.:2.00     3rd Qu.:1.00     3rd Qu.:2.00     3rd Qu.:2.00    
##  Max.   :9.00     Max.   :9.00     Max.   :9.00     Max.   :9.00    
##  NA's   :391979   NA's   :388442   NA's   :388451   NA's   :388459  
##     csrvpain         csrvctl2         pcpsade1      pcdmdec1      
##  Min.   :1.00     Min.   :1.00     Min.   :1.00     Mode:logical  
##  1st Qu.:2.00     1st Qu.:1.00     1st Qu.:1.00     NA's:401958   
##  Median :2.00     Median :2.00     Median :2.00                   
##  Mean   :2.03     Mean   :2.18     Mean   :2.15                   
##  3rd Qu.:2.00     3rd Qu.:3.00     3rd Qu.:3.00                   
##  Max.   :9.00     Max.   :9.00     Max.   :9.00                   
##  NA's   :379939   NA's   :400105   NA's   :400117                 
##     hpvadvc4         hpvadsht         tetanus1         imfvpla1     
##  Min.   :1.00     Min.   : 1.00    Min.   :1        Min.   : 1.00   
##  1st Qu.:2.00     1st Qu.: 2.00    1st Qu.:1        1st Qu.: 1.00   
##  Median :2.00     Median : 3.00    Median :3        Median : 5.00   
##  Mean   :2.44     Mean   :21.01    Mean   :3        Mean   : 4.25   
##  3rd Qu.:2.00     3rd Qu.: 3.00    3rd Qu.:4        3rd Qu.: 5.00   
##  Max.   :9.00     Max.   :99.00    Max.   :9        Max.   :99.00   
##  NA's   :386846   NA's   :399179   NA's   :394003   NA's   :394375  
##     birthsex          somale          sofemale         trnsgndr     
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:1.000    1st Qu.:2.000    1st Qu.:2.000    1st Qu.:4.000   
##  Median :2.000    Median :2.000    Median :2.000    Median :4.000   
##  Mean   :1.563    Mean   :2.199    Mean   :2.273    Mean   :4.049   
##  3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:4.000   
##  Max.   :9.000    Max.   :9.000    Max.   :9.000    Max.   :9.000   
##  NA's   :300719   NA's   :291919   NA's   :271880   NA's   :161936  
##     acedeprs         acedrink         acedrugs         aceprisn     
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:2.000    1st Qu.:2.000    1st Qu.:2.000    1st Qu.:2.000   
##  Median :2.000    Median :2.000    Median :2.000    Median :2.000   
##  Mean   :1.965    Mean   :1.879    Mean   :2.003    Mean   :2.015   
##  3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:2.000   
##  Max.   :9.000    Max.   :9.000    Max.   :9.000    Max.   :9.000   
##  NA's   :272572   NA's   :272753   NA's   :272819   NA's   :272878  
##     acedivrc         acepunch         acehurt1         aceswear     
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:2.000    1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.000   
##  Median :2.000    Median :1.000    Median :1.000    Median :1.000   
##  Mean   :1.935    Mean   :1.469    Mean   :1.551    Mean   :1.771   
##  3rd Qu.:2.000    3rd Qu.:1.000    3rd Qu.:1.000    3rd Qu.:3.000   
##  Max.   :9.000    Max.   :9.000    Max.   :9.000    Max.   :9.000   
##  NA's   :272915   NA's   :272990   NA's   :273103   NA's   :273191  
##     acetouch         acetthem         acehvsex         rcsgendr     
##  Min.   :1.00     Min.   :1.000    Min.   :1.00     Min.   :1.00    
##  1st Qu.:1.00     1st Qu.:1.000    1st Qu.:1.00     1st Qu.:1.00    
##  Median :1.00     Median :1.000    Median :1.00     Median :2.00    
##  Mean   :1.36     Mean   :1.304    Mean   :1.25     Mean   :1.92    
##  3rd Qu.:1.00     3rd Qu.:1.000    3rd Qu.:1.00     3rd Qu.:2.00    
##  Max.   :9.00     Max.   :9.000    Max.   :9.00     Max.   :9.00    
##  NA's   :273271   NA's   :273360   NA's   :273459   NA's   :346998  
##     rcsrltn2         casthdx2         casthno2          qstver     
##  Min.   :1.00     Min.   :1.0      Min.   :1.00     Min.   :10.00  
##  1st Qu.:1.00     1st Qu.:2.0      1st Qu.:1.00     1st Qu.:12.00  
##  Median :1.00     Median :2.0      Median :1.00     Median :20.00  
##  Mean   :1.74     Mean   :2.2      Mean   :1.48     Mean   :17.47  
##  3rd Qu.:1.00     3rd Qu.:2.0      3rd Qu.:2.00     3rd Qu.:20.00  
##  Max.   :9.00     Max.   :9.0      Max.   :9.00     Max.   :23.00  
##  NA's   :347440   NA's   :352527   NA's   :396463                  
##     qstlang          metstat         urbstat         mscode      
##  Min.   : 1.000   Min.   :1.000   Min.   :1.00   Min.   :1.000   
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.00   1st Qu.:1.000   
##  Median : 1.000   Median :1.000   Median :1.00   Median :3.000   
##  Mean   : 1.036   Mean   :1.308   Mean   :1.15   Mean   :2.999   
##  3rd Qu.: 1.000   3rd Qu.:2.000   3rd Qu.:1.00   3rd Qu.:5.000   
##  Max.   :20.000   Max.   :2.000   Max.   :2.00   Max.   :5.000   
##                   NA's   :7127    NA's   :7127   NA's   :279833  
##      ststr            strwt             rawrake          wt2rake        
##  Min.   : 11011   Min.   :   0.338   Min.   :0.3333   Min.   :   0.169  
##  1st Qu.:182059   1st Qu.:  15.778   1st Qu.:1.0000   1st Qu.:  18.739  
##  Median :292089   Median :  41.539   Median :1.0000   Median :  45.810  
##  Mean   :301858   Mean   :  81.713   Mean   :1.2110   Mean   :  88.727  
##  3rd Qu.:412019   3rd Qu.:  81.675   3rd Qu.:1.0000   3rd Qu.:  87.288  
##  Max.   :722019   Max.   :1540.116   Max.   :5.0000   Max.   :5338.969  
##                                                                         
##     imprace         chispnc           crace1           cprace      
##  Min.   :1.000   Min.   :1.000    Min.   : 1.00    Min.   : 1.00   
##  1st Qu.:1.000   1st Qu.:9.000    1st Qu.: 1.00    1st Qu.: 1.00   
##  Median :1.000   Median :9.000    Median : 1.00    Median : 1.00   
##  Mean   :1.716   Mean   :7.623    Mean   : 8.09    Mean   : 8.09   
##  3rd Qu.:1.000   3rd Qu.:9.000    3rd Qu.: 2.00    3rd Qu.: 2.00   
##  Max.   :6.000   Max.   :9.000    Max.   :99.00    Max.   :99.00   
##                  NA's   :125339   NA's   :345583   NA's   :345583  
##     cllcpwt             dualuse         dualcor          llcpwt2         
##  Min.   :     0.77   Min.   :1.000   Min.   :0.037    Min.   :    3.685  
##  1st Qu.:   131.50   1st Qu.:1.000   1st Qu.:0.439    1st Qu.:  149.870  
##  Median :   316.39   Median :9.000   Median :0.523    Median :  337.331  
##  Mean   :   921.95   Mean   :5.639   Mean   :0.528    Mean   :  647.850  
##  3rd Qu.:   753.07   3rd Qu.:9.000   3rd Qu.:0.613    3rd Qu.:  719.822  
##  Max.   :102357.73   Max.   :9.000   Max.   :0.963    Max.   :20022.819  
##  NA's   :347004                      NA's   :224237                      
##      llcpwt              rfhlth         phys14d         ment14d     
##  Min.   :    0.958   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:  113.404   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :  282.288   Median :1.000   Median :1.000   Median :1.000  
##  Mean   :  647.850   Mean   :1.173   Mean   :1.565   Mean   :1.622  
##  3rd Qu.:  663.937   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :83193.322   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##                                                                     
##     hcvu651         totinda          michd          ltasth1     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median :2.000   Median :1.000  
##  Mean   :4.008   Mean   :1.251   Mean   :1.914   Mean   :1.162  
##  3rd Qu.:9.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:1.000  
##  Max.   :9.000   Max.   :9.000   Max.   :2.000   Max.   :9.000  
##                                  NA's   :3571                   
##     casthm1         asthms1         drdxar2         exteth3    
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.00  
##  1st Qu.:1.000   1st Qu.:3.000   1st Qu.:1.000   1st Qu.:1.00  
##  Median :1.000   Median :3.000   Median :2.000   Median :1.00  
##  Mean   :1.153   Mean   :2.818   Mean   :1.689   Mean   :1.65  
##  3rd Qu.:1.000   3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:2.00  
##  Max.   :9.000   Max.   :9.000   Max.   :2.000   Max.   :9.00  
##                                  NA's   :2303                  
##     alteth3          denvst3          prace1           mrace1      
##  Min.   :1.000    Min.   :1.000   Min.   : 1.000   Min.   : 1.000  
##  1st Qu.:1.000    1st Qu.:1.000   1st Qu.: 1.000   1st Qu.: 1.000  
##  Median :1.000    Median :1.000   Median : 1.000   Median : 1.000  
##  Mean   :1.868    Mean   :1.417   Mean   : 3.964   Mean   : 4.056  
##  3rd Qu.:1.000    3rd Qu.:2.000   3rd Qu.: 1.000   3rd Qu.: 1.000  
##  Max.   :9.000    Max.   :9.000   Max.   :99.000   Max.   :99.000  
##  NA's   :256096                   NA's   :9        NA's   :9       
##     hispanc           race          raceg21        racegr3         raceprv     
##  Min.   :1.000   Min.   :1.000   Min.   :1.00   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.00   1st Qu.:1.000   1st Qu.:1.000  
##  Median :2.000   Median :1.000   Median :1.00   Median :1.000   Median :1.000  
##  Mean   :1.996   Mean   :2.182   Mean   :1.42   Mean   :1.788   Mean   :2.011  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.00   3rd Qu.:2.000   3rd Qu.:1.000  
##  Max.   :9.000   Max.   :9.000   Max.   :9.00   Max.   :9.000   Max.   :8.000  
##                  NA's   :1       NA's   :1      NA's   :1       NA's   :1      
##       sex           ageg5yr          age65yr          age80      
##  Min.   :1.000   Min.   : 1.000   Min.   :1.000   Min.   :18.00  
##  1st Qu.:1.000   1st Qu.: 5.000   1st Qu.:1.000   1st Qu.:40.00  
##  Median :2.000   Median : 8.000   Median :1.000   Median :57.00  
##  Mean   :1.542   Mean   : 7.667   Mean   :1.383   Mean   :54.43  
##  3rd Qu.:2.000   3rd Qu.:11.000   3rd Qu.:2.000   3rd Qu.:69.00  
##  Max.   :2.000   Max.   :14.000   Max.   :3.000   Max.   :80.00  
##                                                                  
##      age_g           htin4            htm4           wtkg3      
##  Min.   :1.000   Min.   :36.00   Min.   : 91.0   Min.   : 2268  
##  1st Qu.:3.000   1st Qu.:64.00   1st Qu.:163.0   1st Qu.: 6804  
##  Median :5.000   Median :67.00   Median :170.0   Median : 7938  
##  Mean   :4.348   Mean   :66.99   Mean   :170.1   Mean   : 8232  
##  3rd Qu.:6.000   3rd Qu.:70.00   3rd Qu.:178.0   3rd Qu.: 9299  
##  Max.   :6.000   Max.   :95.00   Max.   :241.0   Max.   :29030  
##                  NA's   :23808   NA's   :21731   NA's   :34948  
##       bmi5          bmi5cat          rfbmi5         chldcnt     
##  Min.   :1202    Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2399    1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :2732    Median :3.000   Median :2.000   Median :1.000  
##  Mean   :2831    Mean   :2.982   Mean   :2.431   Mean   :1.672  
##  3rd Qu.:3138    3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :9843    Max.   :4.000   Max.   :9.000   Max.   :9.000  
##  NA's   :41357   NA's   :41357                                  
##      educag          incomg         smoker3         rfsmok3     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:3.000   1st Qu.:3.000   1st Qu.:1.000  
##  Median :3.000   Median :5.000   Median :4.000   Median :1.000  
##  Mean   :3.018   Mean   :4.903   Mean   :3.648   Mean   :1.551  
##  3rd Qu.:4.000   3rd Qu.:5.000   3rd Qu.:4.000   3rd Qu.:1.000  
##  Max.   :9.000   Max.   :9.000   Max.   :9.000   Max.   :9.000  
##                                                                 
##     drnkany5        drocdy3          rfbing5         drnkwk1     
##  Min.   :1.000   Min.   :  0.00   Min.   :1.000   Min.   :    0  
##  1st Qu.:1.000   1st Qu.:  0.00   1st Qu.:1.000   1st Qu.:    0  
##  Median :2.000   Median :  3.00   Median :1.000   Median :   23  
##  Mean   :1.972   Mean   : 76.03   Mean   :1.746   Mean   : 7906  
##  3rd Qu.:2.000   3rd Qu.: 29.00   3rd Qu.:1.000   3rd Qu.:  420  
##  Max.   :9.000   Max.   :900.00   Max.   :9.000   Max.   :99900  
##                                                                  
##     rfdrhv7        flshot7          pneumo3          rfseat2     
##  Min.   :1.00   Min.   :1.000    Min.   :1.000    Min.   :1.000  
##  1st Qu.:1.00   1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.000  
##  Median :1.00   Median :1.000    Median :1.000    Median :1.000  
##  Mean   :1.67   Mean   :2.119    Mean   :2.314    Mean   :1.573  
##  3rd Qu.:1.00   3rd Qu.:2.000    3rd Qu.:2.000    3rd Qu.:1.000  
##  Max.   :9.00   Max.   :9.000    Max.   :9.000    Max.   :9.000  
##                 NA's   :256096   NA's   :256096                  
##     rfseat3        drnkdrv         rfmam22          mam5023      
##  Min.   :1.00   Min.   :1.000   Min.   :1.000    Min.   :1.000   
##  1st Qu.:1.00   1st Qu.:2.000   1st Qu.:1.000    1st Qu.:1.000   
##  Median :1.00   Median :9.000   Median :1.000    Median :1.000   
##  Mean   :1.64   Mean   :5.645   Mean   :1.878    Mean   :1.219   
##  3rd Qu.:1.00   3rd Qu.:9.000   3rd Qu.:2.000    3rd Qu.:1.000   
##  Max.   :9.00   Max.   :9.000   Max.   :9.000    Max.   :2.000   
##                                 NA's   :235983   NA's   :306666  
##     rfpap35          rfpsa23          clnscpy          sgmscpy      
##  Min.   :1.000    Min.   :1.000    Min.   :1.00     Min.   :1.000   
##  1st Qu.:1.000    1st Qu.:1.000    1st Qu.:1.00     1st Qu.:3.000   
##  Median :1.000    Median :2.000    Median :1.00     Median :3.000   
##  Mean   :1.223    Mean   :2.337    Mean   :1.58     Mean   :2.852   
##  3rd Qu.:1.000    3rd Qu.:2.000    3rd Qu.:3.00     3rd Qu.:3.000   
##  Max.   :2.000    Max.   :9.000    Max.   :3.00     Max.   :3.000   
##  NA's   :304555   NA's   :275354   NA's   :224036   NA's   :230472  
##     sgms10y          rfblds4          stoldna          vircoln      
##  Min.   :1.000    Min.   :1.000    Min.   :1.000    Min.   :1.000   
##  1st Qu.:3.000    1st Qu.:2.000    1st Qu.:3.000    1st Qu.:3.000   
##  Median :3.000    Median :3.000    Median :3.000    Median :3.000   
##  Mean   :2.837    Mean   :2.579    Mean   :2.881    Mean   :2.938   
##  3rd Qu.:3.000    3rd Qu.:3.000    3rd Qu.:3.000    3rd Qu.:3.000   
##  Max.   :3.000    Max.   :3.000    Max.   :3.000    Max.   :3.000   
##  NA's   :230472   NA's   :226105   NA's   :225601   NA's   :227684  
##     sbontim          crcrec1          aidtst4     
##  Min.   :1.000    Min.   :1.000    Min.   :1.00   
##  1st Qu.:2.000    1st Qu.:1.000    1st Qu.:1.00   
##  Median :3.000    Median :1.000    Median :2.00   
##  Mean   :2.537    Mean   :1.417    Mean   :2.04   
##  3rd Qu.:3.000    3rd Qu.:1.000    3rd Qu.:2.00   
##  Max.   :3.000    Max.   :3.000    Max.   :9.00   
##  NA's   :207741   NA's   :226260   NA's   :34037
# Resumen de calidad y estructura
skim(datos)
Data summary
Name datos
Number of rows 401958
Number of columns 279
_______________________
Column type frequency:
logical 9
numeric 270
________________________
Group variables None

Variable type: logical

skim_variable n_missing complete_rate mean count
colghous 401958 0 NaN :
colgsex 401958 0 NaN :
toldcfs 401958 0 NaN :
havecfs 401958 0 NaN :
workcfs 401958 0 NaN :
trethepc 401958 0 NaN :
prirhepc 401958 0 NaN :
havehepc 401958 0 NaN :
pcdmdec1 401958 0 NaN :

Variable type: numeric

skim_variable n_missing complete_rate mean sd p0 p25 p50 p75 p100 hist
state 0 1.00 3.001000e+01 15.77 1.000000e+00 1.800000e+01 2.900000e+01 4.100000e+01 7.200000e+01 ▆▇▇▆▁
fmonth 0 1.00 5.960000e+00 3.52 1.000000e+00 3.000000e+00 6.000000e+00 9.000000e+00 1.200000e+01 ▇▅▃▃▅
idate 0 1.00 6.662701e+06 3462450.18 1.012021e+06 3.262020e+06 6.252020e+06 1.005202e+07 1.231202e+07 ▇▆▅▅▇
imonth 0 1.00 6.510000e+00 3.47 1.000000e+00 3.000000e+00 6.000000e+00 1.000000e+01 1.200000e+01 ▇▅▅▅▇
iday 0 1.00 1.501000e+01 8.43 1.000000e+00 8.000000e+00 1.500000e+01 2.200000e+01 3.100000e+01 ▇▇▇▆▅
iyear 0 1.00 2.020030e+03 0.17 2.020000e+03 2.020000e+03 2.020000e+03 2.020000e+03 2.021000e+03 ▇▁▁▁▁
dispcode 0 1.00 1.117750e+03 38.21 1.100000e+03 1.100000e+03 1.100000e+03 1.100000e+03 1.200000e+03 ▇▁▁▁▂
seqno 0 1.00 2.020005e+09 3396.68 2.020000e+09 2.020002e+09 2.020004e+09 2.020007e+09 2.020016e+09 ▇▆▃▂▁
psu 0 1.00 2.020005e+09 3396.68 2.020000e+09 2.020002e+09 2.020004e+09 2.020007e+09 2.020016e+09 ▇▆▃▂▁
ctelenm1 277207 0.31 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
pvtresd1 277207 0.31 1.000000e+00 0.01 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▁
statere1 277207 0.31 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
celphone 277207 0.31 2.000000e+00 0.00 2.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▁▁▇▁▁
ladult1 277207 0.31 1.010000e+00 0.09 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▁
numadult 277216 0.31 1.750000e+00 0.82 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 1.800000e+01 ▇▁▁▁▁
landsex 350509 0.13 1.690000e+00 0.47 0.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▃▇▁▁▁
nummen 291536 0.27 8.200000e-01 0.63 0.000000e+00 0.000000e+00 1.000000e+00 1.000000e+00 1.800000e+01 ▇▁▁▁▁
numwomen 291536 0.27 9.900000e-01 0.55 0.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.800000e+01 ▇▁▁▁▁
respslct 354532 0.12 1.530000e+00 0.50 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▇▁▁▁▇
safetime 124751 0.69 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
ctelnum1 124751 0.69 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
cellfon5 124751 0.69 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
cadult1 124755 0.69 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
cellsex 124771 0.69 1.510000e+00 0.50 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▇▁▁▁▇
pvtresd3 124752 0.69 1.000000e+00 0.06 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▁
cclghous 400979 0.00 1.000000e+00 0.00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 ▁▁▇▁▁
cstate1 124758 0.69 1.070000e+00 0.26 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▁
landline 124752 0.69 1.770000e+00 0.58 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
hhadult 124753 0.69 2.800000e+00 7.61 1.000000e+00 2.000000e+00 2.000000e+00 3.000000e+00 9.900000e+01 ▇▁▁▁▁
sexvar 0 1.00 1.540000e+00 0.50 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▇▁▁▁▇
genhlth 8 1.00 2.450000e+00 1.09 1.000000e+00 2.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▆▁▁▁
physhlth 5 1.00 6.614000e+01 34.83 1.000000e+00 3.000000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▂▁▁▁▇
menthlth 5 1.00 6.145000e+01 36.95 1.000000e+00 1.500000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▃▁▁▁▇
poorhlth 200343 0.50 5.568000e+01 38.15 1.000000e+00 1.000000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▅▁▁▁▇
hlthpln1 3 1.00 1.120000e+00 0.56 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
persdoc2 3 1.00 1.450000e+00 0.89 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▂▁▁▁
medcost 3 1.00 1.930000e+00 0.41 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
checkup1 5 1.00 1.460000e+00 1.12 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
exerany2 3 1.00 1.250000e+00 0.50 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
sleptim1 3 1.00 7.940000e+00 7.97 1.000000e+00 6.000000e+00 7.000000e+00 8.000000e+00 9.900000e+01 ▇▁▁▁▁
cvdinfr4 6 1.00 1.970000e+00 0.45 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
cvdcrhd4 3 1.00 1.990000e+00 0.53 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
cvdstrk3 3 1.00 1.980000e+00 0.36 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
asthma3 3 1.00 1.880000e+00 0.47 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
asthnow 347817 0.13 1.440000e+00 1.06 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
chcscncr 3 1.00 1.930000e+00 0.43 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
chcocncr 3 1.00 1.930000e+00 0.43 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
chccopd2 5 1.00 1.950000e+00 0.46 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
havarth4 5 1.00 1.720000e+00 0.63 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
addepev3 6 1.00 1.840000e+00 0.58 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
chckdny2 6 1.00 1.980000e+00 0.39 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
diabete4 6 1.00 2.760000e+00 0.74 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▁▇▁▁▁
diabage3 349864 0.13 5.317000e+01 18.64 1.000000e+00 4.100000e+01 5.200000e+01 6.200000e+01 9.900000e+01 ▁▅▇▅▂
lastden4 7 1.00 1.730000e+00 1.27 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▂▁▁▁
rmvteth4 7 1.00 5.020000e+00 3.26 1.000000e+00 1.000000e+00 8.000000e+00 8.000000e+00 9.000000e+00 ▆▁▁▁▇
marital 12 1.00 2.390000e+00 1.80 1.000000e+00 1.000000e+00 1.000000e+00 3.000000e+00 9.000000e+00 ▇▂▂▁▁
educa 12 1.00 4.990000e+00 1.05 1.000000e+00 4.000000e+00 5.000000e+00 6.000000e+00 9.000000e+00 ▁▆▆▇▁
renthom1 15 1.00 1.410000e+00 0.88 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
numhhol3 277212 0.31 1.810000e+00 0.73 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
numphon3 371708 0.08 1.660000e+00 1.47 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
cpdemo1b 116 1.00 1.510000e+00 1.64 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
veteran3 1307 1.00 1.900000e+00 0.50 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
employ1 2925 0.99 3.840000e+00 2.86 1.000000e+00 1.000000e+00 2.000000e+00 7.000000e+00 9.000000e+00 ▇▁▁▅▁
children 4767 0.99 6.548000e+01 37.95 1.000000e+00 4.000000e+00 8.800000e+01 8.800000e+01 9.900000e+01 ▃▁▁▁▇
income2 7358 0.98 2.151000e+01 32.88 1.000000e+00 5.000000e+00 7.000000e+00 8.000000e+00 9.900000e+01 ▇▁▁▁▁
pregnant 326368 0.19 2.010000e+00 0.52 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
weight2 9852 0.98 7.966600e+02 2308.95 5.000000e+01 1.500000e+02 1.800000e+02 2.170000e+02 9.999000e+03 ▇▁▁▁▁
height3 10824 0.97 8.070300e+02 1560.95 2.040000e+02 5.040000e+02 5.070000e+02 5.100000e+02 9.999000e+03 ▇▁▁▁▁
deaf 12415 0.97 1.940000e+00 0.46 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
blind 13324 0.97 1.970000e+00 0.41 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
decide 14351 0.96 1.940000e+00 0.55 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
diffwalk 15280 0.96 1.870000e+00 0.51 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
diffdres 15892 0.96 1.980000e+00 0.32 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
diffalon 16769 0.96 1.950000e+00 0.43 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
smoke100 17860 0.96 1.630000e+00 0.70 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
smokday2 245324 0.39 2.430000e+00 0.90 1.000000e+00 2.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▅▇▁▁▁
stopsmk2 349535 0.13 1.500000e+00 0.62 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
lastsmk2 298233 0.26 6.820000e+00 6.85 1.000000e+00 6.000000e+00 7.000000e+00 7.000000e+00 9.900000e+01 ▇▁▁▁▁
usenow3 18493 0.95 2.960000e+00 0.42 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▁▇▁▁▁
alcday5 20927 0.95 5.308500e+02 356.35 1.010000e+02 2.020000e+02 2.300000e+02 8.880000e+02 9.990000e+02 ▇▁▁▁▇
avedrnk3 211099 0.47 4.080000e+00 12.34 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 9.900000e+01 ▇▁▁▁▁
drnk3ge5 211626 0.47 6.637000e+01 36.54 1.000000e+00 3.000000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▃▁▁▁▇
maxdrnks 212112 0.47 6.220000e+00 15.24 1.000000e+00 1.000000e+00 2.000000e+00 4.000000e+00 9.900000e+01 ▇▁▁▁▁
flushot7 23525 0.94 1.510000e+00 0.68 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
flshtmy3 205030 0.49 1.382138e+05 168568.07 1.201900e+04 9.202000e+04 1.020190e+05 1.120190e+05 9.999990e+05 ▇▁▁▁▁
shingle2 165874 0.59 1.740000e+00 0.89 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pneuvac4 24437 0.94 2.060000e+00 1.59 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
fall12mn 137808 0.66 6.578000e+01 37.38 1.000000e+00 1.000000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▃▁▁▁▇
fallinj4 333322 0.17 5.665000e+01 41.43 1.000000e+00 1.000000e+00 8.800000e+01 8.800000e+01 9.900000e+01 ▅▁▁▁▇
seatbelt 25511 0.94 1.260000e+00 0.84 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
drnkdri2 208430 0.48 8.601000e+01 12.87 1.000000e+00 8.800000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▁▁▁▁▇
hadmam 198438 0.51 1.260000e+00 0.62 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
howlong 245446 0.39 2.020000e+00 1.48 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▂▁▁▁
hadpap2 198942 0.51 1.130000e+00 0.66 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
lastpap2 215438 0.46 2.950000e+00 1.78 1.000000e+00 1.000000e+00 3.000000e+00 5.000000e+00 9.000000e+00 ▇▃▅▁▁
hpvtest 199388 0.50 2.950000e+00 2.42 1.000000e+00 1.000000e+00 2.000000e+00 7.000000e+00 9.000000e+00 ▇▁▁▃▁
hplsttst 336493 0.16 2.950000e+00 1.92 1.000000e+00 1.000000e+00 2.000000e+00 5.000000e+00 9.000000e+00 ▇▃▃▁▁
hadhyst2 201690 0.50 1.770000e+00 0.66 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pcpsaad3 275393 0.31 1.750000e+00 1.21 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pcpsadi1 275622 0.31 2.010000e+00 1.17 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pcpsare1 275882 0.31 1.820000e+00 1.30 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
psatest1 276043 0.31 1.820000e+00 1.39 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
psatime 343595 0.15 2.130000e+00 1.64 1.000000e+00 1.000000e+00 1.000000e+00 3.000000e+00 9.000000e+00 ▇▂▁▁▁
pcpsars1 343707 0.14 1.830000e+00 1.48 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
colnscpy 143403 0.64 1.340000e+00 0.72 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
colntest 220603 0.45 2.940000e+00 1.32 1.000000e+00 2.000000e+00 3.000000e+00 4.000000e+00 9.000000e+00 ▅▇▂▁▁
sigmscpy 143927 0.64 2.140000e+00 1.21 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
sigmtest 370070 0.08 4.190000e+00 1.44 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 9.000000e+00 ▂▃▇▁▁
bldstol1 144393 0.64 1.750000e+00 0.82 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
lstblds4 318862 0.21 3.210000e+00 1.82 1.000000e+00 1.000000e+00 3.000000e+00 5.000000e+00 9.000000e+00 ▇▃▆▁▁
stooldna 144914 0.64 2.020000e+00 0.76 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
sdnatest 383572 0.05 2.830000e+00 1.83 1.000000e+00 1.000000e+00 2.000000e+00 5.000000e+00 9.000000e+00 ▇▃▃▁▁
vircolon 145453 0.64 2.120000e+00 0.94 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
vclntest 390737 0.03 3.650000e+00 1.72 1.000000e+00 2.000000e+00 4.000000e+00 5.000000e+00 9.000000e+00 ▆▆▇▁▁
hivtst7 34037 0.92 1.940000e+00 1.28 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
hivtstd3 285136 0.29 4.302164e+05 357172.96 1.198500e+04 6.202000e+04 7.719900e+05 7.777770e+05 9.999990e+05 ▇▁▁▇▁
hivrisk5 35932 0.91 2.000000e+00 0.53 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pdiabtst 183016 0.54 1.650000e+00 1.17 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
prediab1 182965 0.54 2.750000e+00 0.75 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▁▇▁▁▁
insulin1 388849 0.03 1.690000e+00 0.56 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
bldsugar 388850 0.03 2.554500e+02 265.26 1.010000e+02 1.010000e+02 1.030000e+02 3.010000e+02 9.990000e+02 ▇▁▁▁▁
feetchk3 388850 0.03 2.743200e+02 285.57 1.010000e+02 1.010000e+02 1.010000e+02 3.010000e+02 9.990000e+02 ▇▁▁▁▂
doctdiab 388850 0.03 1.569000e+01 29.51 1.000000e+00 2.000000e+00 3.000000e+00 4.000000e+00 9.900000e+01 ▇▁▁▁▁
chkhemo3 388850 0.03 1.326000e+01 27.43 1.000000e+00 2.000000e+00 3.000000e+00 4.000000e+00 9.900000e+01 ▇▁▁▁▁
feetchk 388925 0.03 2.734000e+01 38.24 1.000000e+00 2.000000e+00 4.000000e+00 8.800000e+01 9.900000e+01 ▇▁▁▁▃
eyeexam1 388850 0.03 2.470000e+00 1.56 1.000000e+00 2.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▃▁▁▁
diabeye 388850 0.03 1.900000e+00 0.76 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
diabedu 388850 0.03 1.510000e+00 0.63 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
toldhepc 383151 0.05 2.010000e+00 0.37 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
havehepb 383186 0.05 2.020000e+00 0.42 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
medshepb 401807 0.00 1.990000e+00 0.64 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 7.000000e+00 ▇▁▁▁▁
hlthcvr1 362563 0.10 4.470000e+00 13.31 1.000000e+00 1.000000e+00 3.000000e+00 3.000000e+00 9.900000e+01 ▇▁▁▁▁
cimemlos 334120 0.17 1.960000e+00 0.59 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
cdhouse 395834 0.02 4.100000e+00 1.30 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 9.000000e+00 ▂▆▇▁▁
cdassist 395847 0.02 4.180000e+00 1.22 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 9.000000e+00 ▂▅▇▁▁
cdhelp 400293 0.00 2.220000e+00 1.30 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▅▁▁▁
cdsocial 395855 0.02 4.130000e+00 1.33 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 9.000000e+00 ▂▅▇▁▁
cddiscus 395865 0.02 1.610000e+00 0.78 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
caregiv1 371480 0.08 1.860000e+00 0.69 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
crgvrel4 396104 0.01 8.270000e+00 11.03 1.000000e+00 2.000000e+00 6.000000e+00 1.200000e+01 9.900000e+01 ▇▁▁▁▁
crgvlng1 396112 0.01 3.490000e+00 1.53 1.000000e+00 2.000000e+00 4.000000e+00 5.000000e+00 9.000000e+00 ▆▇▆▁▁
crgvhrs1 396130 0.01 2.500000e+00 1.83 1.000000e+00 1.000000e+00 2.000000e+00 4.000000e+00 9.000000e+00 ▇▅▁▁▁
crgvprb3 396148 0.01 1.383000e+01 18.29 1.000000e+00 5.000000e+00 1.100000e+01 1.500000e+01 9.900000e+01 ▇▁▁▁▁
crgvalzd 396612 0.01 2.000000e+00 1.07 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
crgvper1 396163 0.01 1.550000e+00 0.78 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
crgvhou1 396172 0.01 1.410000e+00 1.30 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
crgvexpt 372320 0.07 2.150000e+00 1.47 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
ecigaret 137397 0.66 1.820000e+00 0.51 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
ecignow 351208 0.13 2.730000e+00 0.65 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▂▇▁▁▁
marijan1 271339 0.32 8.171000e+01 20.62 1.000000e+00 8.800000e+01 8.800000e+01 8.800000e+01 9.900000e+01 ▁▁▁▁▇
usemrjn2 390513 0.03 1.730000e+00 1.47 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
rsnmrjn1 390525 0.03 2.070000e+00 1.01 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▅▁▁▁
lcsfirst 387914 0.03 6.882000e+01 202.63 1.000000e+00 1.500000e+01 1.700000e+01 2.000000e+01 9.990000e+02 ▇▁▁▁▁
lcslast 388332 0.03 8.832000e+01 187.16 1.000000e+00 3.000000e+01 4.100000e+01 5.800000e+01 9.990000e+02 ▇▁▁▁▁
lcsnumcg 388351 0.03 5.068000e+01 164.72 1.000000e+00 8.000000e+00 1.500000e+01 2.000000e+01 9.990000e+02 ▇▁▁▁▁
lcsctscn 370711 0.08 2.190000e+00 0.84 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▂▁▁▁
cncrdiff 378792 0.06 1.400000e+00 1.07 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
cncrage 379265 0.06 5.777000e+01 18.12 1.000000e+00 4.700000e+01 5.900000e+01 6.900000e+01 9.900000e+01 ▁▃▇▇▂
cncrtyp1 379282 0.06 1.950000e+01 15.63 1.000000e+00 1.000000e+01 2.100000e+01 2.200000e+01 9.900000e+01 ▆▇▁▁▁
csrvtrt3 377950 0.06 2.850000e+00 1.63 1.000000e+00 2.000000e+00 2.000000e+00 5.000000e+00 9.000000e+00 ▇▁▃▁▁
csrvdoc1 388388 0.03 6.740000e+00 13.67 1.000000e+00 2.000000e+00 5.000000e+00 5.000000e+00 9.900000e+01 ▇▁▁▁▁
csrvsum 388401 0.03 1.950000e+00 1.54 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvrtrn 388422 0.03 1.390000e+00 1.02 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvinst 391979 0.02 1.620000e+00 1.56 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvinsr 388442 0.03 1.130000e+00 0.78 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvdein 388451 0.03 1.980000e+00 0.52 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvclin 388459 0.03 2.030000e+00 0.69 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvpain 379939 0.05 2.030000e+00 0.92 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
csrvctl2 400105 0.00 2.180000e+00 1.48 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▂▁▁▁
pcpsade1 400117 0.00 2.150000e+00 1.12 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 9.000000e+00 ▇▃▁▁▁
hpvadvc4 386846 0.04 2.440000e+00 1.77 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
hpvadsht 399179 0.01 2.101000e+01 32.28 1.000000e+00 2.000000e+00 3.000000e+00 3.000000e+00 9.900000e+01 ▇▁▁▂▁
tetanus1 394003 0.02 3.000000e+00 1.68 1.000000e+00 1.000000e+00 3.000000e+00 4.000000e+00 9.000000e+00 ▅▇▁▁▁
imfvpla1 394375 0.02 4.250000e+00 6.24 1.000000e+00 1.000000e+00 5.000000e+00 5.000000e+00 9.900000e+01 ▇▁▁▁▁
birthsex 300719 0.25 1.560000e+00 0.63 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
somale 291919 0.27 2.200000e+00 1.10 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
sofemale 271880 0.32 2.270000e+00 1.21 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
trnsgndr 161936 0.60 4.050000e+00 0.53 1.000000e+00 4.000000e+00 4.000000e+00 4.000000e+00 9.000000e+00 ▁▇▁▁▁
acedeprs 272572 0.32 1.970000e+00 0.98 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
acedrink 272753 0.32 1.880000e+00 0.92 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
acedrugs 272819 0.32 2.000000e+00 0.86 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
aceprisn 272878 0.32 2.010000e+00 0.81 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
acedivrc 272915 0.32 1.940000e+00 1.19 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
acepunch 272990 0.32 1.470000e+00 1.33 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
acehurt1 273103 0.32 1.550000e+00 1.31 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▂▁▁▁
aceswear 273191 0.32 1.770000e+00 1.41 1.000000e+00 1.000000e+00 1.000000e+00 3.000000e+00 9.000000e+00 ▇▃▁▁▁
acetouch 273271 0.32 1.360000e+00 1.27 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
acetthem 273360 0.32 1.300000e+00 1.23 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
acehvsex 273459 0.32 1.250000e+00 1.20 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
rcsgendr 346998 0.14 1.920000e+00 1.82 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
rcsrltn2 347440 0.14 1.740000e+00 1.79 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
casthdx2 352527 0.12 2.200000e+00 1.45 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
casthno2 396463 0.01 1.480000e+00 1.03 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
qstver 0 1.00 1.747000e+01 4.68 1.000000e+01 1.200000e+01 2.000000e+01 2.000000e+01 2.300000e+01 ▅▁▁▇▅
qstlang 0 1.00 1.040000e+00 0.19 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+01 ▇▁▁▁▁
metstat 7127 0.98 1.310000e+00 0.46 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 ▇▁▁▁▃
urbstat 7127 0.98 1.150000e+00 0.36 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▂
mscode 279833 0.30 3.000000e+00 1.68 1.000000e+00 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 ▆▃▃▁▇
ststr 0 1.00 3.018581e+05 157728.71 1.101100e+04 1.820590e+05 2.920890e+05 4.120190e+05 7.220190e+05 ▆▇▇▆▁
strwt 0 1.00 8.171000e+01 167.00 3.400000e-01 1.578000e+01 4.154000e+01 8.167000e+01 1.540120e+03 ▇▁▁▁▁
rawrake 0 1.00 1.210000e+00 0.55 3.300000e-01 1.000000e+00 1.000000e+00 1.000000e+00 5.000000e+00 ▇▁▁▁▁
wt2rake 0 1.00 8.873000e+01 175.53 1.700000e-01 1.874000e+01 4.581000e+01 8.729000e+01 5.338970e+03 ▇▁▁▁▁
imprace 0 1.00 1.720000e+00 1.46 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 6.000000e+00 ▇▁▁▁▁
chispnc 125339 0.69 7.620000e+00 2.83 1.000000e+00 9.000000e+00 9.000000e+00 9.000000e+00 9.000000e+00 ▂▁▁▁▇
crace1 345583 0.14 8.090000e+00 23.46 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.900000e+01 ▇▁▁▁▁
cprace 345583 0.14 8.090000e+00 23.46 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.900000e+01 ▇▁▁▁▁
cllcpwt 347004 0.14 9.219500e+02 2372.58 7.700000e-01 1.315000e+02 3.163900e+02 7.530700e+02 1.023577e+05 ▇▁▁▁▁
dualuse 0 1.00 5.640000e+00 3.79 1.000000e+00 1.000000e+00 9.000000e+00 9.000000e+00 9.000000e+00 ▆▁▁▁▇
dualcor 224237 0.44 5.300000e-01 0.13 4.000000e-02 4.400000e-01 5.200000e-01 6.100000e-01 9.600000e-01 ▁▂▇▃▁
llcpwt2 0 1.00 6.478500e+02 1119.44 3.690000e+00 1.498700e+02 3.373300e+02 7.198200e+02 2.002282e+04 ▇▁▁▁▁
llcpwt 0 1.00 6.478500e+02 1418.40 9.600000e-01 1.134000e+02 2.822900e+02 6.639400e+02 8.319332e+04 ▇▁▁▁▁
rfhlth 0 1.00 1.170000e+00 0.53 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
phys14d 0 1.00 1.570000e+00 1.29 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
ment14d 0 1.00 1.620000e+00 1.26 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
hcvu651 0 1.00 4.010000e+00 3.80 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 9.000000e+00 ▇▁▁▁▅
totinda 0 1.00 1.250000e+00 0.53 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
michd 3571 0.99 1.910000e+00 0.28 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▁▁▁▁▇
ltasth1 0 1.00 1.160000e+00 0.57 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
casthm1 0 1.00 1.150000e+00 0.73 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
asthms1 0 1.00 2.820000e+00 0.80 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 9.000000e+00 ▁▇▁▁▁
drdxar2 2303 0.99 1.690000e+00 0.46 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▃▁▁▁▇
exteth3 0 1.00 1.650000e+00 1.26 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
alteth3 256096 0.36 1.870000e+00 2.33 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
denvst3 0 1.00 1.420000e+00 0.95 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
prace1 9 1.00 3.960000e+00 14.97 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.900000e+01 ▇▁▁▁▁
mrace1 9 1.00 4.060000e+00 14.97 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.900000e+01 ▇▁▁▁▁
hispanc 0 1.00 2.000000e+00 0.83 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
race 1 1.00 2.180000e+00 2.42 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
raceg21 1 1.00 1.420000e+00 1.22 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
racegr3 1 1.00 1.790000e+00 1.65 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
raceprv 1 1.00 2.010000e+00 2.20 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 8.000000e+00 ▇▁▁▁▁
sex 0 1.00 1.540000e+00 0.50 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 2.000000e+00 ▇▁▁▁▇
ageg5yr 0 1.00 7.670000e+00 3.66 1.000000e+00 5.000000e+00 8.000000e+00 1.100000e+01 1.400000e+01 ▅▅▅▇▅
age65yr 0 1.00 1.380000e+00 0.53 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 3.000000e+00 ▇▁▅▁▁
age80 0 1.00 5.443000e+01 17.67 1.800000e+01 4.000000e+01 5.700000e+01 6.900000e+01 8.000000e+01 ▃▅▆▇▇
age_g 0 1.00 4.350000e+00 1.62 1.000000e+00 3.000000e+00 5.000000e+00 6.000000e+00 6.000000e+00 ▅▃▃▅▇
htin4 23808 0.94 6.699000e+01 4.19 3.600000e+01 6.400000e+01 6.700000e+01 7.000000e+01 9.500000e+01 ▁▁▇▂▁
htm4 21731 0.95 1.701200e+02 10.72 9.100000e+01 1.630000e+02 1.700000e+02 1.780000e+02 2.410000e+02 ▁▁▇▂▁
wtkg3 34948 0.91 8.232040e+03 2099.41 2.268000e+03 6.804000e+03 7.938000e+03 9.299000e+03 2.903000e+04 ▆▇▁▁▁
bmi5 41357 0.90 2.830630e+03 638.16 1.202000e+03 2.399000e+03 2.732000e+03 3.138000e+03 9.843000e+03 ▇▅▁▁▁
bmi5cat 41357 0.90 2.980000e+00 0.83 1.000000e+00 2.000000e+00 3.000000e+00 4.000000e+00 4.000000e+00 ▁▇▁▇▇
rfbmi5 0 1.00 2.430000e+00 2.27 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
chldcnt 0 1.00 1.670000e+00 1.46 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
educag 0 1.00 3.020000e+00 1.04 1.000000e+00 2.000000e+00 3.000000e+00 4.000000e+00 9.000000e+00 ▃▇▁▁▁
incomg 0 1.00 4.900000e+00 2.40 1.000000e+00 3.000000e+00 5.000000e+00 5.000000e+00 9.000000e+00 ▃▃▇▁▃
smoker3 0 1.00 3.650000e+00 1.56 1.000000e+00 3.000000e+00 4.000000e+00 4.000000e+00 9.000000e+00 ▁▇▁▁▁
rfsmok3 0 1.00 1.550000e+00 1.79 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
drnkany5 0 1.00 1.970000e+00 1.88 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
drocdy3 0 1.00 7.603000e+01 221.84 0.000000e+00 0.000000e+00 3.000000e+00 2.900000e+01 9.000000e+02 ▇▁▁▁▁
rfbing5 0 1.00 1.750000e+00 2.13 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
drnkwk1 0 1.00 7.905770e+03 26465.04 0.000000e+00 0.000000e+00 2.300000e+01 4.200000e+02 9.990000e+04 ▇▁▁▁▁
rfdrhv7 0 1.00 1.670000e+00 2.12 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
flshot7 256096 0.36 2.120000e+00 2.39 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
pneumo3 256096 0.36 2.310000e+00 2.67 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
rfseat2 0 1.00 1.570000e+00 1.97 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
rfseat3 0 1.00 1.640000e+00 1.97 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 9.000000e+00 ▇▁▁▁▁
drnkdrv 0 1.00 5.650000e+00 3.51 1.000000e+00 2.000000e+00 9.000000e+00 9.000000e+00 9.000000e+00 ▇▁▁▁▇
rfmam22 235983 0.41 1.880000e+00 2.10 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
mam5023 306666 0.24 1.220000e+00 0.41 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▂
rfpap35 304555 0.24 1.220000e+00 0.42 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 2.000000e+00 ▇▁▁▁▂
rfpsa23 275354 0.31 2.340000e+00 2.20 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁
clnscpy 224036 0.44 1.580000e+00 0.87 1.000000e+00 1.000000e+00 1.000000e+00 3.000000e+00 3.000000e+00 ▇▁▁▁▃
sgmscpy 230472 0.43 2.850000e+00 0.44 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▁▁▇
sgms10y 230472 0.43 2.840000e+00 0.49 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▁▁▇
rfblds4 226105 0.44 2.580000e+00 0.67 1.000000e+00 2.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▂▁▇
stoldna 225601 0.44 2.880000e+00 0.45 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▁▁▇
vircoln 227684 0.43 2.940000e+00 0.33 1.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▁▁▇
sbontim 207741 0.48 2.540000e+00 0.51 1.000000e+00 2.000000e+00 3.000000e+00 3.000000e+00 3.000000e+00 ▁▁▆▁▇
crcrec1 226260 0.44 1.420000e+00 0.76 1.000000e+00 1.000000e+00 1.000000e+00 1.000000e+00 3.000000e+00 ▇▁▁▁▂
aidtst4 34037 0.92 2.040000e+00 1.68 1.000000e+00 1.000000e+00 2.000000e+00 2.000000e+00 9.000000e+00 ▇▁▁▁▁

1.1.4 Unidad de análisis

La unidad de análisis corresponde a cada persona participante en la encuesta BRFSS 2020. Cada registro representa una observación individual y contiene respuestas relacionadas con condiciones de salud, comportamientos, características sociodemográficas y acceso a servicios sanitarios.

# Identificación del número de observaciones
nrow(datos)
## [1] 401958
# Identificación de un identificador de encuesta
head(datos$seqno)
## [1] 2.02e+09 2.02e+09 2.02e+09 2.02e+09 2.02e+09 2.02e+09

1.1.5 Datos faltantes

La evaluación inicial de calidad permite identificar que la ausencia de información debe diferenciarse de los códigos utilizados por la encuesta para respuestas no aplicables, desconocidas o no respondidas. Por esta razón, durante la preparación no se eliminarán registros completos, sino que se realizará una depuración específica de las variables seleccionadas para el análisis.

# Porcentaje de datos faltantes por variable
faltantes <- datos %>%
  summarise(across(everything(), ~mean(is.na(.)))) %>%
  pivot_longer(
    cols = everything(),
    names_to = "variable",
    values_to = "proporcion_faltante"
  ) %>%
  arrange(desc(proporcion_faltante))

head(faltantes, 15)

1.2 Calidad y distribución

Seleccion de un conjunto pequeño de variables.

Dominio Variable BRFSS Variable en español
Resultado GENHLTH Estado general de salud
Salud física PHYSHLTH Días de mala salud física
Salud mental MENTHLTH Días de mala salud mental
Actividad EXERANY2 Actividad física
Acceso MEDCOST Dificultad económica para recibir atención
Acceso PERSDOC2 Médico habitual
Sexo SEXVAR Sexo
Edad _AGEG5YR Grupo de edad
IMC _BMI5CAT Categoría de IMC
Ingreso INCOME2 Nivel de ingreso

1.2.1 Construcción de la base analítica

base_eda <- datos %>%
  select(
    estado_salud = genhlth,
    dias_salud_fisica = physhlth,
    dias_salud_mental = menthlth,
    actividad_fisica = exerany2,
    dificultad_costo = medcost,
    medico_habitual = persdoc2,
    sexo = sexvar,
    grupo_edad = ageg5yr,
    categoria_imc = bmi5cat,
    nivel_ingreso = income2
  )
names(datos)
##   [1] "state"    "fmonth"   "idate"    "imonth"   "iday"     "iyear"   
##   [7] "dispcode" "seqno"    "psu"      "ctelenm1" "pvtresd1" "colghous"
##  [13] "statere1" "celphone" "ladult1"  "colgsex"  "numadult" "landsex" 
##  [19] "nummen"   "numwomen" "respslct" "safetime" "ctelnum1" "cellfon5"
##  [25] "cadult1"  "cellsex"  "pvtresd3" "cclghous" "cstate1"  "landline"
##  [31] "hhadult"  "sexvar"   "genhlth"  "physhlth" "menthlth" "poorhlth"
##  [37] "hlthpln1" "persdoc2" "medcost"  "checkup1" "exerany2" "sleptim1"
##  [43] "cvdinfr4" "cvdcrhd4" "cvdstrk3" "asthma3"  "asthnow"  "chcscncr"
##  [49] "chcocncr" "chccopd2" "havarth4" "addepev3" "chckdny2" "diabete4"
##  [55] "diabage3" "lastden4" "rmvteth4" "marital"  "educa"    "renthom1"
##  [61] "numhhol3" "numphon3" "cpdemo1b" "veteran3" "employ1"  "children"
##  [67] "income2"  "pregnant" "weight2"  "height3"  "deaf"     "blind"   
##  [73] "decide"   "diffwalk" "diffdres" "diffalon" "smoke100" "smokday2"
##  [79] "stopsmk2" "lastsmk2" "usenow3"  "alcday5"  "avedrnk3" "drnk3ge5"
##  [85] "maxdrnks" "flushot7" "flshtmy3" "shingle2" "pneuvac4" "fall12mn"
##  [91] "fallinj4" "seatbelt" "drnkdri2" "hadmam"   "howlong"  "hadpap2" 
##  [97] "lastpap2" "hpvtest"  "hplsttst" "hadhyst2" "pcpsaad3" "pcpsadi1"
## [103] "pcpsare1" "psatest1" "psatime"  "pcpsars1" "colnscpy" "colntest"
## [109] "sigmscpy" "sigmtest" "bldstol1" "lstblds4" "stooldna" "sdnatest"
## [115] "vircolon" "vclntest" "hivtst7"  "hivtstd3" "hivrisk5" "pdiabtst"
## [121] "prediab1" "insulin1" "bldsugar" "feetchk3" "doctdiab" "chkhemo3"
## [127] "feetchk"  "eyeexam1" "diabeye"  "diabedu"  "toldcfs"  "havecfs" 
## [133] "workcfs"  "toldhepc" "trethepc" "prirhepc" "havehepc" "havehepb"
## [139] "medshepb" "hlthcvr1" "cimemlos" "cdhouse"  "cdassist" "cdhelp"  
## [145] "cdsocial" "cddiscus" "caregiv1" "crgvrel4" "crgvlng1" "crgvhrs1"
## [151] "crgvprb3" "crgvalzd" "crgvper1" "crgvhou1" "crgvexpt" "ecigaret"
## [157] "ecignow"  "marijan1" "usemrjn2" "rsnmrjn1" "lcsfirst" "lcslast" 
## [163] "lcsnumcg" "lcsctscn" "cncrdiff" "cncrage"  "cncrtyp1" "csrvtrt3"
## [169] "csrvdoc1" "csrvsum"  "csrvrtrn" "csrvinst" "csrvinsr" "csrvdein"
## [175] "csrvclin" "csrvpain" "csrvctl2" "pcpsade1" "pcdmdec1" "hpvadvc4"
## [181] "hpvadsht" "tetanus1" "imfvpla1" "birthsex" "somale"   "sofemale"
## [187] "trnsgndr" "acedeprs" "acedrink" "acedrugs" "aceprisn" "acedivrc"
## [193] "acepunch" "acehurt1" "aceswear" "acetouch" "acetthem" "acehvsex"
## [199] "rcsgendr" "rcsrltn2" "casthdx2" "casthno2" "qstver"   "qstlang" 
## [205] "metstat"  "urbstat"  "mscode"   "ststr"    "strwt"    "rawrake" 
## [211] "wt2rake"  "imprace"  "chispnc"  "crace1"   "cprace"   "cllcpwt" 
## [217] "dualuse"  "dualcor"  "llcpwt2"  "llcpwt"   "rfhlth"   "phys14d" 
## [223] "ment14d"  "hcvu651"  "totinda"  "michd"    "ltasth1"  "casthm1" 
## [229] "asthms1"  "drdxar2"  "exteth3"  "alteth3"  "denvst3"  "prace1"  
## [235] "mrace1"   "hispanc"  "race"     "raceg21"  "racegr3"  "raceprv" 
## [241] "sex"      "ageg5yr"  "age65yr"  "age80"    "age_g"    "htin4"   
## [247] "htm4"     "wtkg3"    "bmi5"     "bmi5cat"  "rfbmi5"   "chldcnt" 
## [253] "educag"   "incomg"   "smoker3"  "rfsmok3"  "drnkany5" "drocdy3" 
## [259] "rfbing5"  "drnkwk1"  "rfdrhv7"  "flshot7"  "pneumo3"  "rfseat2" 
## [265] "rfseat3"  "drnkdrv"  "rfmam22"  "mam5023"  "rfpap35"  "rfpsa23" 
## [271] "clnscpy"  "sgmscpy"  "sgms10y"  "rfblds4"  "stoldna"  "vircoln" 
## [277] "sbontim"  "crcrec1"  "aidtst4"

1.2.2 Variables numéricas

base_eda %>%
  select(dias_salud_fisica, dias_salud_mental) %>%
  summary()
##  dias_salud_fisica dias_salud_mental
##  Min.   : 1.00     Min.   : 1.00    
##  1st Qu.:30.00     1st Qu.:15.00    
##  Median :88.00     Median :88.00    
##  Mean   :66.14     Mean   :61.45    
##  3rd Qu.:88.00     3rd Qu.:88.00    
##  Max.   :99.00     Max.   :99.00    
##  NA's   :5         NA's   :5
base_eda <- base_eda %>%
  mutate(
    dias_salud_fisica = case_when(
      dias_salud_fisica == 88 ~ 0,
      dias_salud_fisica %in% c(77, 99) ~ NA_real_,
      TRUE ~ as.numeric(dias_salud_fisica)
    ),
    
    dias_salud_mental = case_when(
      dias_salud_mental == 88 ~ 0,
      dias_salud_mental %in% c(77, 99) ~ NA_real_,
      TRUE ~ as.numeric(dias_salud_mental)
    )
  )
base_eda %>%
  select(dias_salud_fisica, dias_salud_mental) %>%
  summary()
##  dias_salud_fisica dias_salud_mental
##  Min.   : 0.000    Min.   : 0.000   
##  1st Qu.: 0.000    1st Qu.: 0.000   
##  Median : 0.000    Median : 0.000   
##  Mean   : 3.458    Mean   : 3.916   
##  3rd Qu.: 2.000    3rd Qu.: 3.000   
##  Max.   :30.000    Max.   :30.000   
##  NA's   :8691      NA's   :7929

1.2.3 Variables categóricas

La distribución de las variables categóricas permite identificar cómo se concentra la población según su percepción del estado de salud, actividad física, acceso económico a los servicios y sexo. Esta revisión constituye la base para seleccionar las relaciones que serán exploradas posteriormente.

table(base_eda$estado_salud)
## 
##      1      2      3      4      5      7      9 
##  81660 138139 119502  46239  15457    650    303
table(base_eda$actividad_fisica)
## 
##      1      2      7      9 
## 305883  95393    451    228
table(base_eda$dificultad_costo)
## 
##      1      2      7      9 
##  34568 366252    909    226
table(base_eda$sexo)
## 
##      1      2 
## 183942 218016
frecuencia_salud <- prop.table(table(base_eda$estado_salud)) * 100

round(frecuencia_salud, 1)
## 
##    1    2    3    4    5    7    9 
## 20.3 34.4 29.7 11.5  3.8  0.2  0.1

1.2.4 Distribuciones

Distribución de días de mala salud física

La distribución permite identificar si la carga de mala salud física se concentra en pocos días o si existe una proporción relevante de personas con una mayor frecuencia de afectación. Desde la perspectiva de gestión, esta información puede orientar la identificación de grupos que potencialmente requieren mayor continuidad del seguimiento y utilización de servicios de salud.

grafico_fisico <- ggplot(
  base_eda,
  aes(x = dias_salud_fisica)
) +
  geom_histogram(
    binwidth = 1,
    fill = "#2E75B6",
    color = "white"
  ) +
  labs(
    title = "Distribución de días con mala salud física",
    x = "Número de días",
    y = "Número de personas"
  ) +
  theme_minimal()

ggplotly(grafico_fisico)

1.2.5 Valores extremos

La finalidad concreta es identificar la concentración y los valores extremos de días de afectación. > ¿La carga de días con mala salud física está concentrada o existen personas con niveles particularmente altos?

grafico_boxplot <- ggplot(
  base_eda,
  aes(y = dias_salud_fisica)
) +
  geom_boxplot(
    fill = "#7A9E9F",
    color = "#404040"
  ) +
  labs(
    title = "Distribución y valores extremos de días de mala salud física",
    y = "Días de mala salud física"
  ) +
  theme_minimal()

ggplotly(grafico_boxplot)

1.3 Pregunta central

¿Qué patrón descriptivo se observa entre el estado general de salud y algunos factores relacionados con actividad física, carga de enfermedad física / mental y acceso a los servicios de salud?

1.4 Relaciones entre variables

1.4.1 Relación entre estado de salud y actividad física

Recategorización de variables a análisis comprensibles: GENHLTH y actividad física:

base_eda <- base_eda %>%
  mutate(
    estado_salud_texto = case_when(
      estado_salud == 1 ~ "Excelente",
      estado_salud == 2 ~ "Muy buena",
      estado_salud == 3 ~ "Buena",
      estado_salud == 4 ~ "Regular",
      estado_salud == 5 ~ "Mala",
      TRUE ~ NA_character_
    )
  )
base_eda <- base_eda %>%
  mutate(
    actividad_fisica_texto = case_when(
      actividad_fisica == 1 ~ "Sí",
      actividad_fisica == 2 ~ "No",
      TRUE ~ NA_character_
    )
  )

Gráfico 1: estado de salud según actividad física

La comparación permite explorar si la percepción del estado generalde salud presenta un comportamiento diferente según la realización de actividad física. La utilidad administrativa de esta relación radica en identificar posibles grupos con mayor concentración de estados de salud desfavorables, que podrían requerir estrategias diferenciadas de promoción y prevención.

grafico_actividad <- base_eda %>%
  filter(
    !is.na(estado_salud_texto),
    !is.na(actividad_fisica_texto)
  ) %>%
  count(actividad_fisica_texto, estado_salud_texto) %>%
  group_by(actividad_fisica_texto) %>%
  mutate(porcentaje = n / sum(n) * 100) %>%
  ggplot(
    aes(
      x = actividad_fisica_texto,
      y = porcentaje,
      fill = estado_salud_texto
    )
  ) +
  geom_col(position = "dodge") +
  scale_fill_manual(
    values = c(
      "Excelente" = "#2E75B6",
      "Muy buena" = "#70AD47",
      "Buena" = "#A5A5A5",
      "Regular" = "#4472C4",
      "Mala" = "#595959"
    )
  ) +
  labs(
    title = "Estado general de salud según actividad física",
    x = "Realiza actividad física",
    y = "Porcentaje de personas",
    fill = "Estado de salud"
  ) +
  theme_minimal()

ggplotly(grafico_actividad)

1.4.2 Relación entre salud física y salud mental

Permite introducir una perspectiva integral de gestión.

Gráfico 2: días de salud física vs. días de salud mental

La distribución conjunta de los días de afectación física y mental permite identificar si ambas dimensiones tienden a concentrarse de manera independiente o conjunta. Desde la gestión sanitaria, esta observación puede ser relevante para considerar la necesidad de abordajes integrales, especialmente en población con mayor carga de afectación.

grafico_fisico_mental <- base_eda %>%
  filter(
    !is.na(dias_salud_fisica),
    !is.na(dias_salud_mental)
  ) %>%
  ggplot(
    aes(
      x = dias_salud_fisica,
      y = dias_salud_mental
    )
  ) +
  geom_point(
    alpha = 0.15,
    color = "#2E75B6"
  ) +
  labs(
    title = "Relación exploratoria entre salud física y salud mental",
    x = "Días de mala salud física",
    y = "Días de mala salud mental"
  ) +
  theme_minimal()

ggplotly(grafico_fisico_mental)

1.4.3 Relación tridimensional

base_eda <- base_eda %>%
  mutate(
    grupo_edad_numerico = as.numeric(grupo_edad)
  )

Gráfico 3: análisis 3D interactivo

De la base se tomarán 3.000 registros para el análisis como muestra exclusivamente para facilitar la visualización.

datos_3d <- base_eda %>%
  filter(
    !is.na(grupo_edad_numerico),
    !is.na(dias_salud_fisica),
    !is.na(dias_salud_mental),
    !is.na(estado_salud_texto)
  ) %>%
  slice_sample(n = 3000)

grafico_3d <- plot_ly(
  datos_3d,
  x = ~grupo_edad_numerico,
  y = ~dias_salud_fisica,
  z = ~dias_salud_mental,
  color = ~estado_salud_texto,
  colors = c(
    "#2E75B6",
    "#70AD47",
    "#A5A5A5",
    "#4472C4",
    "#595959"
  ),
  type = "scatter3d",
  mode = "markers",
  marker = list(size = 3)
) %>%
  layout(
    title = "Relación entre edad, salud física y salud mental",
    scene = list(
      xaxis = list(title = "Grupo de edad"),
      yaxis = list(title = "Días de mala salud física"),
      zaxis = list(title = "Días de mala salud mental")
    )
  )

grafico_3d

1.5 Hallazgos principales

El análisis exploratorio de la base BRFSS 2020 permitió identificar una estructura de información individual orientada principalmente a la caracterización del estado de salud, los comportamientos relacionados con la salud y algunas condiciones de acceso a los servicios.

La exploración de las variables seleccionadas mostró diferencias en la distribución del estado general de salud y en la cantidad de días reportados con afectación física y mental. Estas variables permiten reconocer que la carga de salud no se limita a una única dimensión y que existen diferentes patrones entre los participantes.

La relación descriptiva entre actividad física y estado general de salud permitió identificar diferencias en la distribución de las categorías de salud entre quienes reportaron realizar actividad física y quienes no. Esta observación puede ser útil para orientar estrategias de promoción y prevención, aunque el análisis exploratorio no permite establecer una relación causal.

De manera complementaria, la relación entre los días de afectación física y mental permitió explorar la presencia de personas con mayor carga simultánea en ambas dimensiones. Este comportamiento resulta relevante desde una perspectiva de gestión, dado que puede apoyar la identificación de grupos que potencialmente requieren una atención más integral.

Finalmente, la visualización tridimensional permitió observar conjuntamente edad, afectación física y afectación mental, utilizando el estado general de salud como elemento diferenciador. En conjunto, estos hallazgos muestran la utilidad de integrar diferentes dimensiones de información para apoyar la interpretación del comportamiento de la población y orientar decisiones de gestión sanitaria.