Table 1.
Demographic and personal characteristics of participants
| Variable | Cross-sectional study (n=8,104) | Longitudinal study* (n=1,674) | ||
|---|---|---|---|---|
| n (%) | Weighted sample (%) | n (%) | Weighted sample (%) | |
| Age | ||||
| 18 – 30 years | 3026 (37.3) | 30.6 | 662 (39.5) | 32.2 |
| 30 – 39 years | 2559 (31.6) | 24.2 | 532 (31.8) | 25.7 |
| 40 – 49 years | 1332 (16.4) | 18.0 | 248 (14.8) | 16.1 |
| 50 – 59 years | 822 (10.1) | 15.4 | 159 (9.5) | 14.9 |
| ≥ 60 years | 365 (4.5) | 11.8 | 73 (4.4) | 11.0 |
| Sex | ||||
| Female | 6791 (83.8) | 56.1 | 1448 (86.5) | 61.1 |
| Male | 1313 (16.2) | 43.9 | 226 (13.5) | 38.9 |
| Sexual orientation | ||||
| Heterosexual | 6816 (84.1) | 77.7 | 1398 (83.5) | 77.7 |
| No Heterosexual | 1288 (15,9) | 22.3 | 276 (16.5) | 22.3 |
| Marital status | ||||
| No partner | 3655 (45.1) | 55.8 | 793 (47.4) | 62.3 |
| With partner | 4449 (54.9) | 44.2 | 881 (52.6) | 37.7 |
| Living alone | 807 (10.0) | 15.3 | 175 (10.5) | 18.5 |
| Leaving home | 6792 (83.8) | 83.2 | 1377 (82.3) | 87.3 |
| Education | ||||
| Elementary/Middle/High School | 1326 (16.4) | 32.6 | 206 (12.3) | 21.0 |
| Undergraduate | 3705 (45.7) | 46.4 | 772 (46.1) | 50.9 |
| Postgraduate | 3073 (37.9) | 21.0 | 696 (41.6) | 28.1 |
| * Data from the baseline | ||||
| Table 1. (Continued) | ||||
| Variable | Cross-sectional study (n=8,104) | Longitudinal study* (n=1,674) | ||
| n (%) | Weighted sample (%) | n (%) | Weighted sample (%) | |
| Income | ||||
| A/B | 2830 (34.9) | 9.3 | 654 (39.1) | 12.7 |
| C | 1694 (20.9) | 7.8 | 333 (19.9) | 9.2 |
| D/E | 3580 (44.2) | 82.9 | 687 (41.0) | 78.1 |
| Region | ||||
| North | 500 (6.2) | 8.4 | 73 (4.4) | 7.4 |
| Northeast | 2008 (24.8) | 29.1 | 324 (19.4) | 26.6 |
| Midwest | 843 (10.4) | 7.8 | 133 (7.9) | 8.9 |
| Southeast | 2430 (30.0) | 37.8 | 568 (33.9) | 36.9 |
| South | 2323 (28.7) | 17.0 | 576 (34.4) | 20.2 |
| Color | ||||
| White | 4253 (52.5) | 50.1 | 959 (57.3) | 48.4 |
| Not White | 3851 (47.5) | 49.9 | 715 (42.7) | 51.6 |
| Unemployed | 1322 (16.3) | 33.7 | 274 (16.4) | 32.0 |
| Healthcare professional | 2448 (30.2) | 19.5 | 517 (30.9) | 21.3 |
| * Data from the baseline | ||||