Participants' characteristics (n=3095)
| n (%) | |
| Age group (years) | |
| 15–29 | 1540 (49.8) |
| 30–39 | 739 (23.9) |
| 40–49 | 816 (26.4) |
| Gender | |
| Male | 1626 (52.5) |
| Female | 1469 (47.5) |
| Education level | |
| No education | 1794 (58.0) |
| School education | 1095 (35.4) |
| University education | 206 (6.7) |
| Occupation | |
| Unskilled labour | 1722 (55.6) |
| Home duties | 557 (18.0) |
| Student | 392 (12.7) |
| Skilled jobs | 227 (7.3) |
| Clerical/business | 197 (6.4) |