| Variables |
| N (%) |
| Age (years) | <35 | 403 (84.6) |
| ≥35 | 72 (15.1) | |
| Education | No formal | 95 (20.0) |
| Primary school | 111 (23.3) | |
| Secondary school | 221 (46.5) | |
| University | 48 (10.1) | |
| Occupation | Housewife | 175 (36.8) |
| Student | 118 (24.8) | |
| Officer | 24 (5.0) | |
| Health professional | 37 (7.7) | |
| Other, informal sector | 121 (25.4) |