Variable
Total Population
WHtR Quartiles
N = 11,8881 Q1
N = 2,972
1
Q3
N = 2,972
1
Q4
N = 2,972
1
Q2
N = 2,972
1
p-value2
Gender




<0.001
    Female 6,054 (51%) 1,968 (66%) 1,218 (41%) 1,423 (48%) 1,445 (49%)
    Male 5,834 (49%) 1,004 (34%) 1,754 (59%) 1,549 (52%) 1,527 (51%)
Age (years) 49 (19) 48 (21) 50 (17) 48 (16) 51 (19) <0.001
Race/Ethnicity




<0.001
     Non-Hispanic Black 324 (2.7%) 155 (5.2%) 44 (1.5%) 37 (1.2%) 88 (3.0%)
    D 33 (0.3%) 8 (0.3%) 8 (0.3%) 12 (0.4%) 5 (0.2%)
    Mexican American 6,288 (53%) 1,647 (55%) 1,546 (52%) 1,557 (52%) 1,538 (52%)
    Non-Hispanic White 2,498 (21%) 589 (20%) 680 (23%) 525 (18%) 704 (24%)
    Other Hispanic 2,745 (23%) 573 (19%) 694 (23%) 841 (28%) 637 (21%)
Education Level





    <high school 1,677 (14%) 458 (15%) 432 (15%) 288 (9.7%) 499 (17%)
    >high school 10,195 (86%) 2,508 (84%) 2,536 (85%) 2,683 (90%) 2,468 (83%)
    unknwon 16 (0.1%) 6 (0.2%) 4 (0.1%) 1 (<0.1%) 5 (0.2%)
BMI (kg/m²) 28 (6) 22 (2) 29 (2) 37 (6) 26 (2) <0.001
PIR




<0.001
    <1.3 3,265 (27%) 886 (30%) 768 (26%) 810 (27%) 801 (27%)
    ≥3.5 3,604 (30%) 811 (27%) 983 (33%) 939 (32%) 871 (29%)
    1.3~3.5 4,360 (37%) 1,103 (37%) 1,077 (36%) 1,067 (36%) 1,113 (37%)
    unknwon 659 (5.5%) 172 (5.8%) 144 (4.8%) 156 (5.2%) 187 (6.3%)
Smoking Status




<0.001
    no 3,605 (30%) 692 (23%) 984 (33%) 1,036 (35%) 893 (30%)
    unknwon 5,153 (43%) 1,361 (46%) 1,256 (42%) 1,252 (42%) 1,284 (43%)
    yes 3,130 (26%) 919 (31%) 732 (25%) 684 (23%) 795 (27%)
Alcohol Use




<0.001
    no 3,198 (27%) 874 (29%) 689 (23%) 861 (29%) 774 (26%)
    unknwon 776 (6.5%) 233 (7.8%) 182 (6.1%) 164 (5.5%) 197 (6.6%)
    yes 7,914 (67%) 1,865 (63%) 2,101 (71%) 1,947 (66%) 2,001 (67%)
Hypertension




0.021
    no 9,350 (79%) 2,397 (81%) 2,335 (79%) 2,292 (77%) 2,326 (78%)
    unknwon 29 (0.2%) 5 (0.2%) 6 (0.2%) 12 (0.4%) 6 (0.2%)
    yes 2,509 (21%) 570 (19%) 631 (21%) 668 (22%) 640 (22%)
Diabetes 1,196 (10%) 153 (5.1%) 306 (10%) 477 (16%) 260 (8.7%) <0.001
Waist-to-Height Ratio 0.48 (0.11) 0.36 (0.03) 0.49 (0.02) 0.62 (0.09) 0.43 (0.02) <0.001
Low Back Pain 5,085 (43%) 1,115 (38%) 1,272 (43%) 1,486 (50%) 1,212 (41%) <0.001
1 n (%); Mean (SD)
2 Pearson’s Chi-squared test; Kruskal-Wallis rank sum test