| Hazard Ratio | 95% CI |
---|---|---|
Factor | Â | Â |
Sex | Â | Â |
   Female vs. Male | 3.53*** | 1.69-7.38 |
Age group (years) | Â | Â |
   12-16 vs. 4-11 | 1.22 | 0.57-2.60 |
Primary carer smokes | Â | Â |
   Yes vs. No | 3.02** | 1.53-5.95 |
Family type | Â | Â |
   Sole parent vs. original | 1.08 | 0.46-2.54 |
   Step/blended vs. original | 2.28* | 1.01-5.15 |
Emotional problems | Â | Â |
   NOT more than other children vs. None | 0.94 | 0.27-3.24 |
   MORE than other children vs. None | 3.47** | 1.65-7.31 |
Parenting Style | Â | Â |
   Coercive vs. Encouraging | 2.53 | 0.69-9.29 |
   Inconsistent vs. Encouraging | 2.31* | 1.03-5.18 |
   Neutral vs. Encouraging | 2.79 | 0.88-8.88 |
Maternal age at birth | Â | Â |
   Mother aged < 20 years vs. > = 20 years | 2.70* | 1.20-6.06 |