Table 4 Results from multiple logistic regression that evaluated demographic/family factors and emotional/behavioural problems in relation to the presence of smoking habits
Explanatory variables | OR(95% CI) |
|---|---|
Age (years) | Â |
12-15 | 1.00‡ |
16-18 | 8.56(4.89-14.97) |
Gender | Â |
girl | 1.00 |
boy | 0.90(0.52-1.54) |
Family socioeconomic status | Â |
low 0-3 | 1.00 |
medium 4-5 | 0.43(0.26-0.71) |
high 6-7 | 0.46(0.23-0.94) |
Mother smoker | Â |
No | 1.00 |
Yes | 2.56(1.49-4.39) |
Father smoker | Â |
No | 1.00 |
Yes | 1.94(1.11-3.4) |
Exposure to family members' smoking | Â |
No | 1.00 |
Yes | 1.11(0.65-1.88) |
Leisure time (for one unit increase) | 1.01(0.99-1.02) |
SDQ total difficulties (for one unit increase) | 1.13(1.08-1.18) |