Table 1 Sample characteristics
| Â | n | % |
|---|---|---|
Age (years) | Â | Â |
12-15 | 696 | 67.60 |
16-18 | 334 | 32.40 |
Gender | Â | Â |
Girls | 626 | 60.80 |
Boys | 404 | 39.20 |
Family socioeconomic status | Â | Â |
Low | 376 | 36.50 |
Medium | 470 | 45.60 |
High | 184 | 17.90 |
Mother smoker | Â | Â |
No | 627 | 60.90 |
Yes | 403 | 39.10 |
Father smoker | Â | Â |
No | 480 | 46.60 |
Yes | 550 | 53.40 |
Exposure to family members' smoking | Â | Â |
No | 654 | 63.50 |
Yes | 376 | 36.50 |
Smoking status | Â | Â |
Never | 925 | 89.80 |
Less than once a week | 17 | 1.70 |
At least once a week | 32 | 3.10 |
Every day | 56 | 5.40 |