| Variables | Girls n (%) | Boys n (%) | Total |
| Age | |||
| Mean age (years) | 14.8 (±3.08) | 14.6 (±3.03) |
|
| Marital status | |||
| Unmarried | 952 (93.1) | 777 (100) | 1729 |
| Married | 71 (6.9) | 0 (0.0) | 71 |
| Educational level | |||
| Higher | 35 (3.4) | 20 (4.5) | 55 |
| Secondary | 839 (82.0) | 636 (81.8) | 1475 |
| Primary | 97 (9.6) | 81 (10.5) | 178 |
| No formal | 52 (5.0) | 40 (5.2) | 92 |
| Living situation | |||
| Alone | 122 (11.9) | 104 (13.4) | 226 |
| With family | 901 (88.1) | 673 (86.6) | 1574 |
| Parents’ marital status | |||
| Unmarried | 154 (15.1) | 127 (16.3) | 281 |
| Married | 617 (60.3) | 490 (63.1) | 1107 |
| Divorced | 175 (17.1) | 111 (14.3) | 286 |
| Widow(er) | 77 (7.5) | 49 (6.3) | 126 |
| Educational level of parents | |||
| No formal | 172 (16.8) | 139 (17.9) | 311 |
| At least one parent with formal | 851 (83.2) | 638 (82.1) | 1489 |