Para completar tabla 1 y 2

load("~/Dropbox/odontologia/maestria licet/diciembre2013/datos_licet_23122013.RData")
library(survey)
## 
## Attaching package: 'survey'
## 
## The following object(s) are masked from 'package:graphics':
## 
##     dotchart

Prevalencia Tabla 1

tabla1 <- svyby(~prebewe.rec, ~Bebidas_energizantes.rec1, diseniopost1, svymean, 
    na.rm = TRUE, deff = TRUE)
tabla1
##                       Bebidas_energizantes.rec1 prebewe.rec      se
## 1-Menos de 3 veces           1-Menos de 3 veces      0.5329 0.03407
## Mas de 3 veces al dia     Mas de 3 veces al dia      0.2158 0.12168
##                       DEff.prebewe.rec
## 1-Menos de 3 veces               5.257
## Mas de 3 veces al dia            1.086
svychisq(~prebewe.rec + Bebidas_energizantes.rec1, diseniopost1, statistic = "Wald")
## 
##  Design-based Wald test of association
## 
## data:  svychisq(~prebewe.rec + Bebidas_energizantes.rec1, diseniopost1,      statistic = "Wald") 
## F = 2.688, ndf = 1, ddf = 39, p-value = 0.1091
tabla2 <- svyby(~prebewe.rec, ~RefrCola.rec1, diseniopost1, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla2
##                         RefrCola.rec1 prebewe.rec      se DEff.prebewe.rec
## 1-Menos de 3 veces 1-Menos de 3 veces      0.5184 0.03586            4.537
## 2-Mas de 3 veces     2-Mas de 3 veces      0.5609 0.05083            3.036
svychisq(~prebewe.rec + RefrCola.rec1, diseniopost1, statistic = "Wald")
## 
##  Design-based Wald test of association
## 
## data:  svychisq(~prebewe.rec + RefrCola.rec1, diseniopost1, statistic = "Wald") 
## F = 1.097, ndf = 1, ddf = 39, p-value = 0.3014
tabla3 <- svyby(~prebewe.rec, ~Yogurt.rec1, diseniopost1, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla3
##                           Yogurt.rec1 prebewe.rec      se DEff.prebewe.rec
## 1-Menos de 3 veces 1-Menos de 3 veces      0.5276 0.03762            6.305
## 2-Mas de 3 veces     2-Mas de 3 veces      0.6365 0.08815            1.513
svychisq(~prebewe.rec + Yogurt.rec1, diseniopost1, statistic = "Wald")
## 
##  Design-based Wald test of association
## 
## data:  svychisq(~prebewe.rec + Yogurt.rec1, diseniopost1, statistic = "Wald") 
## F = 1.061, ndf = 1, ddf = 39, p-value = 0.3092

Extension Tabla 1

tabla4 <- svyby(~Bewes.ajust, ~Bebidas_energizantes.rec1, diseniopost1, svymean, 
    na.rm = TRUE, deff = TRUE)
tabla4
##                       Bebidas_energizantes.rec1 Bewes.ajust     se
## 1-Menos de 3 veces           1-Menos de 3 veces       5.895 0.7579
## Mas de 3 veces al dia     Mas de 3 veces al dia       2.580 1.5209
##                       DEff.Bewes.ajust
## 1-Menos de 3 veces              13.006
## Mas de 3 veces al dia            1.102
svyttest(Bewes.ajust ~ Bebidas_energizantes.rec1, diseniopost1, na.rm = TRUE, 
    deff = TRUE)
## 
##  Design-based t-test
## 
## data:  Bewes.ajust ~ Bebidas_energizantes.rec1 
## t = -2.099, df = 38, p-value = 0.04256
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             -3.314
tabla5 <- svyby(~Bewes.ajust, ~RefrCola.rec1, diseniopost1, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla5
##                         RefrCola.rec1 Bewes.ajust     se DEff.Bewes.ajust
## 1-Menos de 3 veces 1-Menos de 3 veces       5.591 0.5931            6.654
## 2-Mas de 3 veces     2-Mas de 3 veces       6.742 1.4179            9.837
svyttest(Bewes.ajust ~ RefrCola.rec1, diseniopost1, na.rm = TRUE, deff = TRUE)
## 
##  Design-based t-test
## 
## data:  Bewes.ajust ~ RefrCola.rec1 
## t = 1.117, df = 38, p-value = 0.2709
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##              1.151
tabla6 <- svyby(~Bewes.ajust, ~Yogurt.rec1, diseniopost1, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla6
##                           Yogurt.rec1 Bewes.ajust     se DEff.Bewes.ajust
## 1-Menos de 3 veces 1-Menos de 3 veces       5.853 0.7945           13.955
## 2-Mas de 3 veces     2-Mas de 3 veces       6.782 1.2557            1.885
svyttest(Bewes.ajust ~ Yogurt.rec1, diseniopost1, na.rm = TRUE, deff = TRUE)
## 
##  Design-based t-test
## 
## data:  Bewes.ajust ~ Yogurt.rec1 
## t = 0.566, df = 38, p-value = 0.5747
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.9288

Extension Tabla 2

tabla10 <- svyby(~Severas, ~Bebidas_energizantes.rec1, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
tabla10
##                       Bebidas_energizantes.rec1 Severas     se
## 1-Menos de 3 veces           1-Menos de 3 veces   1.829 0.2983
## Mas de 3 veces al dia     Mas de 3 veces al dia   2.362 0.3565
##                       DEff.Severas
## 1-Menos de 3 veces          2.9499
## Mas de 3 veces al dia       0.6754
svyttest(Severas ~ Bebidas_energizantes.rec1, diseniopost1.sub, na.rm = TRUE, 
    deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Bebidas_energizantes.rec1 
## t = 1.136, df = 18, p-value = 0.2708
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.5322
tabla11 <- svyby(~Severas, ~RefrCola.rec1, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla11
##                         RefrCola.rec1 Severas     se DEff.Severas
## 1-Menos de 3 veces 1-Menos de 3 veces   2.075 0.2255        1.274
## 2-Mas de 3 veces     2-Mas de 3 veces   1.665 0.4184        2.268
svyttest(Severas ~ RefrCola.rec1, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ RefrCola.rec1 
## t = -0.9545, df = 18, p-value = 0.3525
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.4102
tabla12 <- svyby(~Severas, ~Yogurt.rec1, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
tabla12
##                           Yogurt.rec1 Severas     se DEff.Severas
## 1-Menos de 3 veces 1-Menos de 3 veces   1.937 0.3145       3.5790
## 2-Mas de 3 veces     2-Mas de 3 veces   1.675 0.5423       0.5769
svyttest(Severas ~ Yogurt.rec1, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Yogurt.rec1 
## t = -0.3463, df = 18, p-value = 0.7331
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.2622

SEVERIDAD calculado sobre lo que corresponde

Severidad6 <- svyby(~Severas, ~Sexo.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad6[, 2:4] * 1, 2)
##     Severas   se DEff.Severas
## 1-F    1.35 0.17         1.59
## 2-M    2.06 0.37         3.40
round(confint(Severidad6) * 1, 2)
##     2.5 % 97.5 %
## 1-F  1.01   1.68
## 2-M  1.34   2.79
svyttest(Severas ~ Sexo.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Sexo.rec 
## t = 1.512, df = 18, p-value = 0.1478
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.7166

Severidad7 <- svyby(~Severas, ~Nivel.Socieconomico.rec, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
round(Severidad7[, 2:4] * 1, 2)
##         Severas   se DEff.Severas
## 1-BAJO     1.64 0.22         1.05
## 2-MEDIO    1.72 0.31         1.29
## 3-ALTO     2.23 0.51         2.46
round(confint(Severidad7) * 1, 2)
##         2.5 % 97.5 %
## 1-BAJO   1.22   2.07
## 2-MEDIO  1.10   2.33
## 3-ALTO   1.22   3.23
svyttest(Severas ~ Nivel.Socieconomico.rec, diseniopost1.sub, na.rm = TRUE, 
    deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Nivel.Socieconomico.rec 
## t = 0.2211, df = 18, p-value = 0.8275
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            0.07332

Severidad8 <- svyby(~Severas, ~Nivel.Educativo.de.la.Madre1.rec, diseniopost1.sub, 
    svymean, na.rm = TRUE, deff = TRUE)
round(Severidad8[, 2:4] * 1, 2)
##                        Severas   se DEff.Severas
## 1-Incomplete Education    2.04 0.39         1.55
## 2-Basic                   1.76 0.30         1.59
## 3-Medium                  1.71 0.56         1.24
## 4-High                    2.23 0.44         1.27
round(confint(Severidad8) * 1, 2)
##                        2.5 % 97.5 %
## 1-Incomplete Education  1.28   2.80
## 2-Basic                 1.18   2.34
## 3-Medium                0.62   2.81
## 4-High                  1.37   3.09
svyttest(Severas ~ Nivel.Educativo.de.la.Madre1.rec, diseniopost1.sub, na.rm = TRUE, 
    deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Nivel.Educativo.de.la.Madre1.rec 
## t = -0.8409, df = 18, p-value = 0.4114
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.2806

Severidad8a <- svyby(~Severas, ~Nive.Educativo.de.la.Madre2.rec, diseniopost1.sub, 
    svymean, na.rm = TRUE, deff = TRUE)
round(Severidad8a[, 2:4] * 1, 2)
##                      Severas   se DEff.Severas
## 1-ELEMENTARY SCHOOL     1.86 0.28         1.81
## 2-HIGH SCHOOL           1.93 0.35         1.22
## 3-COLLEGE-UNIVERSITY    1.85 0.35         1.16
round(confint(Severidad8a) * 1, 2)
##                      2.5 % 97.5 %
## 1-ELEMENTARY SCHOOL   1.31   2.41
## 2-HIGH SCHOOL         1.25   2.61
## 3-COLLEGE-UNIVERSITY  1.17   2.53
svyttest(Severas ~ Nive.Educativo.de.la.Madre2.rec, diseniopost1.sub, na.rm = TRUE, 
    deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Nive.Educativo.de.la.Madre2.rec 
## t = 0.2212, df = 18, p-value = 0.8275
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            0.06634

Severidad9 <- svyby(~Severas, ~Tipo.de.Escuela.rec, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
round(Severidad9[, 2:4] * 1, 2)
##           Severas   se DEff.Severas
## 1-Public     2.65 0.36         0.99
## 2-Private    1.76 0.27         2.61
round(confint(Severidad9) * 1, 2)
##           2.5 % 97.5 %
## 1-Public   1.95   3.36
## 2-Private  1.22   2.29
svyttest(Severas ~ Tipo.de.Escuela.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Tipo.de.Escuela.rec 
## t = -1.993, df = 18, p-value = 0.06169
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.8961

Severidad10 <- svyby(~Severas, ~FrCepDenti.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad10[, 2:4] * 1, 2)
##                        Severas   se DEff.Severas
## 1-1 vez al dia o menos    1.84 0.42         1.42
## 2- 2 veces al dia         2.67 0.40         2.02
## 3-3 o mas veces al dia    1.46 0.20         1.28
round(confint(Severidad10) * 1, 2)
##                        2.5 % 97.5 %
## 1-1 vez al dia o menos  1.01   2.67
## 2- 2 veces al dia       1.88   3.46
## 3-3 o mas veces al dia  1.07   1.85
svyttest(Severas ~ FrCepDenti.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ FrCepDenti.rec 
## t = 1.561, df = 18, p-value = 0.136
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.8271

Severidad11 <- svyby(~Severas, ~UsoDentifrico3.rec, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
round(Severidad11[, 2:4] * 1, 2)
##       Severas   se DEff.Severas
## 1-Yes    1.85 0.25         2.47
## 2-No     3.06 0.74         0.59
round(confint(Severidad11) * 1, 2)
##       2.5 % 97.5 %
## 1-Yes  1.36   2.34
## 2-No   1.62   4.51
svyttest(Severas ~ UsoDentifrico3.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ UsoDentifrico3.rec 
## t = 1.462, df = 18, p-value = 0.1611
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##              1.212

Severidad12 <- svyby(~Severas, ~Consitencia_Cepillo.rec, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
round(Severidad12[, 2:4] * 1, 2)
##          Severas   se DEff.Severas
## 1-Soft      1.35 0.19         0.99
## 2-Medium    1.54 0.22         1.30
## 3-Hard      2.41 0.60         2.50
round(confint(Severidad12) * 1, 2)
##          2.5 % 97.5 %
## 1-Soft    0.99   1.72
## 2-Medium  1.10   1.97
## 3-Hard    1.24   3.58
svyttest(Severas ~ Consitencia_Cepillo.rec, diseniopost1.sub, na.rm = TRUE, 
    deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Consitencia_Cepillo.rec 
## t = 1.201, df = 18, p-value = 0.2453
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.1834

Severidad13 <- svyby(~Severas, ~IGS.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad13[, 2:4] * 1, 2)
##                       Severas   se DEff.Severas
## 1-Mas de 60              1.00 0.00          NaN
## 2-De 45 a 60             1.90 0.45         0.76
## 3 -Menos o igual a 45    1.89 0.28         2.76
round(confint(Severidad13) * 1, 2)
##                       2.5 % 97.5 %
## 1-Mas de 60            1.00   1.00
## 2-De 45 a 60           1.03   2.78
## 3 -Menos o igual a 45  1.34   2.44
svyttest(Severas ~ IGS.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ IGS.rec 
## t = 2.026, df = 18, p-value = 0.0578
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.9036


Severidad15 <- svyby(~Severas, ~JugFrutas.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad15[, 2:4] * 1, 2)
##                         Severas   se DEff.Severas
## 1-Nunca o raramente        1.00 0.00          NaN
## 2-Todos los dias           2.09 0.36         3.36
## 3-Mas de 3 veces al dia    1.57 0.28         1.03
round(confint(Severidad15) * 1, 2)
##                         2.5 % 97.5 %
## 1-Nunca o raramente      1.00   1.00
## 2-Todos los dias         1.39   2.79
## 3-Mas de 3 veces al dia  1.02   2.12
svyttest(Severas ~ JugFrutas.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ JugFrutas.rec 
## t = 3.051, df = 18, p-value = 0.006872
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##              1.088





Severidad18 <- svyby(~Severas, ~Bruxismo.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad18[, 2:4] * 1, 2)
##       Severas   se DEff.Severas
## 1-No     1.97 0.29         2.33
## 2-Yes    1.42 0.20         1.39
round(confint(Severidad18) * 1, 2)
##       2.5 % 97.5 %
## 1-No   1.41   2.53
## 2-Yes  1.02   1.81
svyttest(Severas ~ Bruxismo.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ Bruxismo.rec 
## t = -1.512, df = 18, p-value = 0.1478
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.5555


Severidad19 <- svyby(~Severas, ~bedeportediario.rec, diseniopost1.sub, svymean, 
    na.rm = TRUE, deff = TRUE)
round(Severidad19[, 2:4] * 1, 2)
##            Severas   se DEff.Severas
## 1-Water       2.00 0.27         2.13
## 2-Gatorade    1.26 0.24         0.74
## 3-other       2.00 0.00          NaN
round(confint(Severidad19) * 1, 2)
##            2.5 % 97.5 %
## 1-Water     1.47   2.53
## 2-Gatorade  0.80   1.73
## 3-other     2.00   2.00
svyttest(Severas ~ bedeportediario.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ bedeportediario.rec 
## t = -1.966, df = 18, p-value = 0.06488
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.7369

Severidad21 <- svyby(~Severas, ~BuchTragar.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad21[, 2:4] * 1, 2)
##       Severas   se DEff.Severas
## 1-No     2.02 0.28         2.20
## 2-Yes    1.23 0.17         0.47
round(confint(Severidad21) * 1, 2)
##       2.5 % 97.5 %
## 1-No   1.48   2.57
## 2-Yes  0.90   1.56
svyttest(Severas ~ BuchTragar.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ BuchTragar.rec 
## t = -2.576, df = 18, p-value = 0.01903
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.7927

Severidad22 <- svyby(~Severas, ~FormBeber.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad22[, 2:4] * 1, 2)
##               Severas   se DEff.Severas
## 1-Con sorbete    1.45 0.48         0.87
## 2-Por el pico    1.90 0.49         1.20
## 3-Con vaso       1.92 0.28         2.36
round(confint(Severidad22) * 1, 2)
##               2.5 % 97.5 %
## 1-Con sorbete  0.50   2.40
## 2-Por el pico  0.94   2.85
## 3-Con vaso     1.37   2.47
svyttest(Severas ~ FormBeber.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ FormBeber.rec 
## t = 0.6727, df = 18, p-value = 0.5097
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##             0.4504

Severidad23 <- svyby(~Severas, ~Natac2vec.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad23[, 2:4] * 1, 2)
##       Severas   se DEff.Severas
## 1-No     1.90 0.34         2.56
## 2-Yes    1.36 0.16         1.33
round(confint(Severidad23) * 1, 2)
##       2.5 % 97.5 %
## 1-No   1.25   2.56
## 2-Yes  1.04   1.68
svyttest(Severas ~ Natac2vec.rec, , diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Error: argument "design" is missing, with no default

Severidad24 <- svyby(~Severas, ~MedResp.rec, diseniopost1.sub, svymean, na.rm = TRUE, 
    deff = TRUE)
round(Severidad24[, 2:4] * 1, 2)
##       Severas   se DEff.Severas
## 1-No     1.94 0.26         2.23
## 2-Yes    1.46 0.09         0.16
round(confint(Severidad24) * 1, 2)
##       2.5 % 97.5 %
## 1-No   1.42   2.46
## 2-Yes  1.29   1.63
svyttest(Severas ~ MedResp.rec, diseniopost1.sub, na.rm = TRUE, deff = TRUE)
## Warning: observations with zero weight not used for calculating dispersion
## Warning: observations with zero weight not used for calculating dispersion
## 
##  Design-based t-test
## 
## data:  Severas ~ MedResp.rec 
## t = -1.716, df = 18, p-value = 0.1033
## alternative hypothesis: true difference in mean is not equal to 0 
## sample estimates:
## difference in mean 
##            -0.4821