Table 3 Proportional Hazards Model: Multivariate hazard ratios of associations between characteristics collected during childhood and later teenage pregnancy
From: Antecedents of teenage pregnancy from a 14-year follow-up study using data linkage
Parameter | Hazard Ratio | 95% CI | p value |
|---|---|---|---|
Family type | Â | Â | Â |
   Original | 1.00 (ref) |  |  |
   Sole-parent | 1.10 | 0.69 - 1.76 | 0.6934 |
   Step/blended | 2.19 | 1.41 - 3.40 | <0.001 |
CBCL score (child) - Aggressive and | Â | Â | Â |
Delinquent | Â | Â | Â |
   Neither | 1.00 (ref) |  |  |
   Aggressive and Delinquent | 3.52 | 1.90 - 6.55 | <0.001 |
   Aggressive or Delinquent | 1.24 | 0.71 - 2.14 | 0.448 |
Combined carer income | Â | Â | Â |
   High | 1.00 (ref) |  |  |
   Medium | 0.93 | 0.55 - 1.58 | 0.794 |
   Low | 1.72 | 1.01 - 2.92 | 0.045 |
Highest school year completed by primary carer | Â | Â | Â |
   Year 10 or higher | 1.00 (ref) |  |  |
   Year 9 or lower | 1.71 | 1.14 - 2.57 | 0.009 |
Region | Â | Â | Â |
   Metropolitan | 1.00 (ref) |  |  |
   Non-Metropolitan | 1.52 | 1.09 - 2.11 | 0.014 |
Whether primary carer was a smoker | Â | Â | Â |
   No | 1.00 (ref) |  |  |
   Yes | 1.63 | 1.14 - 2.31 | 0.007 |