| Females (n = 649) |  | Males (n = 209) |  | All (n = 863)a |  |
---|---|---|---|---|---|---|
 | No. | % | No. | % | No. | % |
Age (years) | Â | Â | Â | Â | Â | Â |
14-15 | 231 | 35.6 | 85 | 40.7 | 317 | 36.7 |
16-17 | 309 | 47.6 | 92 | 44.0 | 402 | 46.6 |
≥18 | 107 | 16.5 | 30 | 14.3 | 137 | 15.9 |
Missing values | 2 | 0.3 | 2 | 1.0 | 7 | 0.8 |
Mean age ± SD (years) | 16.2 ± 1.44 |  | 16.0 ± 1.59 |  | 16.1 ± 1.48 |  |
Education (mother) | Â | Â | Â | Â | Â | Â |
Middle school diploma | 133 | 20.5 | 28 | 13.4 | 161 | 18.7 |
High school diploma | 312 | 48.1 | 93 | 44.5 | 408 | 47.3 |
Degree | 191 | 29.4 | 85 | 40.7 | 278 | 32.1 |
Missing values | 13 | 2.0 | 3 | 1.4 | 16 | 1.9 |
Education (father) | Â | Â | Â | Â | Â | Â |
Middle school diploma | 148 | 22.8 | 32 | 15.3 | 180 | 20.9 |
High school diploma | 242 | 37.3 | 62 | 29.7 | 308 | 35.7 |
Degree | 239 | 36.8 | 108 | 51.7 | 348 | 40.3 |
Missing values | 20 | 3.1 | 7 | 3.3 | 27 | 3.1 |
No. of siblings | Â | Â | Â | Â | Â | Â |
0 | 150 | 23.1 | 41 | 19.6 | 194 | 22.5 |
1 | 359 | 55.3 | 115 | 55.0 | 476 | 55.2 |
2 | 104 | 16.1 | 38 | 18.2 | 142 | 16.4 |
≥3 | 36 | 5.5 | 15 | 7.2 | 51 | 5.9 |