Table 1 Socio-demographic features of the sample
| Â | n | % |
|---|---|---|
Age | Â | Â |
   15 | 56 | 2.7 |
   16 | 973 | 46.3 |
   17 | 919 | 43.7 |
   18 | 153 | 7.3 |
Gender | Â | Â |
   Male | 1050 | 50.0 |
   Female | 1051 | 50.0 |
Perceived socio-economic status | Â | Â |
   Lower | 160 | 7.6 |
   Middle | 1809 | 86.1 |
   Upper | 132 | 6.3 |
Residential background | Â | Â |
   Urban | 1637 | 77.9 |
   Suburban | 171 | 8.1 |
   Rural | 293 | 13.9 |
Mother's educational level | Â | Â |
   Uneducated | 191 | 9.1 |
   Primary school graduate | 989 | 47.1 |
   Secondary school graduate | 246 | 11.8 |
   High school graduate | 474 | 22.5 |
   University graduate | 201 | 9.5 |
Father's educational level | Â | Â |
   Uneducated | 70 | 3.3 |
   Primary school graduate | 723 | 34.4 |
   Secondary school graduate | 297 | 14.1 |
   High school graduate | 569 | 27.1 |
   University graduate | 442 | 21.1 |
Total | 2101 | 100.0 |