Table 1.
Demographic characteristics of participants.
| Characteristic | Participants (N=4180), n (%) | |
| Sex | ||
| Male | 1243 (29.74) | |
| Female | 2937 (70.26) | |
| Age (years) | ||
| 18-19 | 315 (7.54) | |
| 20-29 | 1718 (41.10) | |
| 30-39 | 761 (18.21) | |
| 40-49 | 583 (13.95) | |
| 50-59 | 558 (13.35) | |
| ≥60 | 245 (5.86) | |
| Region | ||
| North | 285 (6.82) | |
| Northeast | 871 (20.84) | |
| Central-West | 276 (6.60) | |
| Southeast | 2051 (49.07) | |
| South | 697 (16.67) | |
| Education | ||
| Middle and high school | 2140 (51.20) | |
| Higher and postgraduate education | 2040 (48.80) | |
| Household size | ||
| 1 person | 354 (8.47) | |
| 2 people | 841 (20.12) | |
| 3 people | 1177 (28.16) | |
| 4 people | 1132 (27.08) | |
| 5 people | 442 (10.57) | |
| 6 people or more | 234 (5.60) | |
| Receives government social assistance | ||
| Yes | 928 (22.20) | |
| No | 3252 (77.80) | |