Table 1.
Baseline characteristics of the study population according to Waist Circumference tertiles.
| Waist Circumference (cm) | Tertile1 (56.4-84.3) |
Tertile2 (84.4-102.8) |
Tertile3 (102.9-178) |
p value |
|---|---|---|---|---|
| Age(years) | 28.81 ± 7.92 | 31.63 ± 8.10 | 32.78 ± 8.02 | <0.001 |
| Race (%) | <0.001 | |||
| Mexican American | 46 (9.15%) | 98 (19.52%) | 73 (14.48%) | |
| Other Hispanic | 54 (10.74%) | 52 (10.36%) | 37 (7.34%) | |
| Non-Hispanic White | 162(32.21%) | 139(27.69%) | 167 (33.13%) | |
| Non-Hispanic Black | 109(21.67%) | 129(25.70%) | 172 (34.13%) | |
| Other Races | 132(26.24%) | 84 (16.73%) | 55 (10.91%) | |
| Marital status(%) | <0.001 | |||
| Married with Partner | 226(52.68%) | 281(61.09%) | 260 (54.97%) | |
| Divorced | 26 (6.06%) | 47 (10.22%) | 48 (10.15%) | |
| Never married | 177(41.26%) | 132(28.70%) | 165 (34.88%) | |
| Education level(%) | <0.001 | |||
| Less than 9th grade | 12 (2.80%) | 20 (4.35%) | 15 (3.17%) | |
| 9-11th grade | 35 (8.16%) | 42 (9.13%) | 53 (11.21%) | |
| High school or GED | 75 (17.48%) | 83 (18.04%) | 111 (23.47%) | |
| Some college or AA degree | 149(34.73%) | 185(40.22%) | 201 (42.49%) | |
| College graduate or above | 158(36.83%) | 130(28.26%) | 93 (19.66%) | |
| Diabetes(%) | <0.001 | |||
| Yes | 11 (2.19%) | 17 (3.39%) | 49 (9.72%) | |
| No | 492(97.81%) | 485(96.61%) | 455 (90.28%) | |
| Hypertension(%) | <0.001 | |||
| Yes | 25 (4.97%) | 41 (8.17%) | 106 (21.03%) | |
| No | 478(95.03%) | 461(91.83%) | 398 (78.97%) | |
| high cholesterol level(%) | <0.001 | |||
| Yes | 36 (7.16%) | 66 (13.15%) | 85 (16.87%) | |
| No | 467(92.84%) | 436(86.85%) | 419 (83.13%) | |
| Infertility(%) | <0.001 | |||
| Yes | 38 (7.55%) | 53 (10.56%) | 77 (15.28%) | |
| No | 465 (92.45%) | 449 (89.44%) | 427 (84.72%) | |
| Ratio of family income to poverty | 2.52 ± 1.74 | 2.36 ± 1.65 | 2.05 ± 1.45 | <0.001 |
| Minutes sedentary activity | 321.40 ± 185.00 | 365.08 ± 640.69 | 417.45 ± 775.79 | 0.031 |
| Meals from fast food or pizza place | 2.12 ± 2.48 | 2.33 ± 3.03 | 24.72 ± 471.25 | 0.001 |
| Total Cholesterol (mmol/L) | 4.31 ± 0.80 | 4.66 ± 0.98 | 4.68 ± 0.89 | <0.001 |
| Direct HDL-Cholesterol (mmol/L) | 1.63 ± 0.38 | 1.44 ± 0.40 | 1.28 ± 0.33 | <0.001 |
Mean+SD for continuous variables: p value was calculated by the weighted linear regression model.
% for Categorical variables:p value was calculated by the weighted chi-square test.