Table 3.
Baseline characteristics of the study participants.
| Characteristic | Na | Overall, N = 76,923,916b | 0, N = 74,803,832b | 1, N = 2,120,083b | p-valuec |
|---|---|---|---|---|---|
| Age | 7,612 | 40 ± (14) | 39 ± (14) | 46 ± (18) | 0.004 |
| Gender | 7,612 | 0.4 | |||
| Male | 4,282 (59%) | 4,147 (59%) | 135 (55%) | ||
| Female | 3,330 (41%) | 3,226 (41%) | 104 (45%) | ||
| Race | 7,612 | 0.4 | |||
| Mexican American | 1,813 (14%) | 1,758 (14%) | 55 (12%) | ||
| Other Hispanic | 766 (7.3%) | 734 (7.3%) | 32 (11%) | ||
| Non-Hispanic White | 2,711 (59%) | 2,619 (60%) | 92 (58%) | ||
| Non-Hispanic Black | 1,509 (12%) | 1,471 (12%) | 38 (12%) | ||
| Other Race | 813 (8.0%) | 791 (8.0%) | 22 (8.0%) | ||
| Education | 7,612 | <0.001 | |||
| Below high school | 3,801 (50%) | 3,625 (49%) | 176 (74%) | ||
| High school | 2,184 (28%) | 2,146 (31%) | 38 (17%) | ||
| Above high school | 1,627 (22%) | 1,602 (27%) | 25 (12%) | ||
| BMI | 7,612 | 27.5 ± (4.5) | 27.5 ± (4.5) | 28.3 ± (4.8) | 0.062 |
| Triglyceride | 7,612 | 124 ± (114) | 123 ± (114) | 135 ± (116) | 0.3 |
| Sugar | 7,612 | 124 ± (85) | 124 ± (85) | 121 ± (84) | 0.6 |
| Caffeine | 7,612 | 169 ± (223) | 169 ± (222) | 177 ± (262) | 0.4 |
| Alcohol | 7,612 | 14 ± (34) | 14 ± (34) | 16 ± (40) | 0.8 |
| Smoking | 7,612 | <0.001 | |||
| Yes | 3,158 (43%) | 3,034 (42%) | 124 (57%) | ||
| No | 4,454 (57%) | 4,339 (58%) | 115 (43%) | ||
| Hypertension | 7,612 | <0.001 | |||
| Yes | 864 (11%) | 813 (11%) | 51 (20%) | ||
| No | 6,748 (89%) | 6,560 (89%) | 188 (80%) | ||
| Moderate activites | 7,612 | <0.001 | |||
| Yes | 3,336 (49%) | 3,263 (49%) | 73 (32%) | ||
| No | 4,276 (51%) | 4,110 (51%) | 166 (68%) | ||
| Diabetes | 7,612 | <0.001 | |||
| Yes | 145 (1.2%) | 130 (1.1%) | 15 (4.1%) | ||
| No | 7,467 (99%) | 7,243 (99%) | 224 (96%) | ||
| Finasteride | 7,612 | <0.001 | |||
| No | 7,498 (98%) | 7,277 (99%) | 221 (92%) | ||
| Yes | 114 (1.5%) | 96 (1.4%) | 18 (8.1%) |
a
N not Missing (unweighted).
b
Mean ± (SD); n (unweighted) (%).
c
Wilcoxon rank-sum test for complex survey samples; chi-squared test with Rao & Scott’s second-order correction.