Table 2 Estimated proportion of girls from the WACHS that became pregnant as a teenager, became teenage mothers or who had an abortion as a teenager
From: Antecedents of teenage pregnancy from a 14-year follow-up study using data linkage
| Â | Proportion who became pregnant as a teenager (n = 155) | Proportion who became teenage mothers (n = 94) | Proportion who had an abortion as a teenager (n = 72) | |||
|---|---|---|---|---|---|---|
| Â | % | 95% CI | % | 95% CI | % | 95% CI |
All girls in WACHS (n = 1,374) | 10.5 | 8.3 - 13.0 | 6.9 | 5.0 - 9.3 | 4.2 | 3.1 - 5.4 |
Family type | Â | Â | Â | Â | Â | Â |
   Original | 7.5 | 5.6 - 9.6 | 3.9 | 2.5 - 5.9 | 4.0 | 2.9 - 5.6 |
   Step/blended | 16.8 | 10.5 - 25.7 | 12.1 | 7.0 - 19.5 | 5.5 | 2.7 - 10.7 |
   Sole-parent | 19.6 | 12.1 - 30.1 | 17.0 | 9.6 - 27.8 | 4.0 | 2.2 - 7.2 |
Child's CBCL score - Aggressive & | Â | Â | Â | Â | Â | Â |
Delinquent (parent and teacher reported) | Â | Â | Â | Â | Â | Â |
   Aggressive and Delinquent | 39.5 | 19.7 - 61.5 | 28.0 | 11.6 - 47.8 | 11.5 | 2.5 - 31.2 |
   Either Aggressive or Delinquent | 17.5 | 9.4 - 27.5 | 13.7 | 6.6 - 23.2 | 3.8 | 0.8 - 11.1 |
   Neither Aggressive nor Delinquent | 9.4 | 7.2 - 12.0 | 6.0 | 4.0 - 8.4 | 4.1 | 3.1 - 5.5 |
Child's CBCL score - total t score (parent reported) | Â | Â | Â | Â | Â | Â |
   Normal | 9.8 | 7.5 - 12.7 | 6.3 | 4.3 - 9.1 | 4.1 | 3.0 - 5.4 |
   Abnormal | 17.5 | 9.4 - 27.5 | 12.1 | 6.1 - 20.2 | 5.4 | 1.0 - 13.1 |
   Not stated | 9.4 | 3.8 - 18.3 | 7.3 | 2.7 - 14.9 | 3.8 | 0.8 - 11.4 |
Child's CBCL score - total t score (teacher reported) | Â | Â | Â | Â | Â | Â |
   Normal | 9.9 | 7.0 - 13.1 | 6.3 | 4.0 - 9.9 | 4.4 | 3.1 - 5.9 |
   Abnormal | 23.3 | 14.9 - 34.6 | 15.8 | 9.0 - 25.2 | 7.9 | 2.4 - 16.3 |
   Not stated | 8.1 | 5.6 - 11.8 | 5.7 | 3.5 - 9.0 | 2.7 | 1.2 - 5.0 |
Combined carer income | Â | Â | Â | Â | Â | Â |
   Low | 15.7 | 11.2 - 20.8 | 12.3 | 8.1 - 17.1 | 4.3 | 2.5 - 6.5 |
   Medium | 7.3 | 5.1 - 9.9 | 3.1 | 1.8 - 5.0 | 4.6 | 2.8 - 6.9 |
   High | 6.6 | 3.9 - 11.0 | 2.7 | 0.9 - 6.0 | 4.3 | 2.0 - 8.0 |
Region | Â | Â | Â | Â | Â | Â |
   Metropolitan | 9.6 | 6.8 - 12.8 | 6.8 | 4.4 - 10.0 | 3.2 | 2.1 - 4.8 |
   Non-Metropolitan | 12.9 | 10.2 - 15.8 | 7.3 | 5.3 - 9.5 | 6.9 | 4.8 - 9.5 |
Primary carer was a smoker | Â | Â | Â | Â | Â | Â |
   Yes | 14.6 | 10.9 - 19.5 | 10.5 | 7.2 - 14.7 | 5.0 | 2.6 - 8.6 |
   No | 9.0 | 6.5 - 11.9 | 5.6 | 3.3 - 8.4 | 3.9 | 2.8 - 5.3 |
Highest school year completed by primary carer | Â | Â | Â | Â | Â | Â |
   Year 9 or lower | 22.3 | 12.9 - 33.8 | 18.5 | 9.2 - 29.5 | 5.2 | 2.6 - 8.9 |
   Year 10 or higher | 8.4 | 6.7 - 10.3 | 4.9 | 3.5 - 6.6 | 4.1 | 2.9 - 5.4 |
Girl's mother was a teenage mother | Â | Â | Â | Â | Â | Â |
   Yes | 24.1 | 14.4 - 38.4 | 20.6 | 11.1 - 34.7 | 5.1 | 2.0 - 11.4 |
   No | 9.8 | 7.7 - 12.4 | 6.2 | 4.3 - 8.6 | 4.2 | 3.1 - 5.5 |
Primary carer in receipt of government benefits | Â | Â | Â | Â | Â | Â |
   Yes | 14.9 | 10.5 - 20.3 | 12.6 | 8.2 - 17.7 | 3.4 | 1.9 - 5.7 |
   No | 7.7 | 6.0 - 9.8 | 3.4 | 2.4 - 4.9 | 4.7 | 3.3 - 6.3 |
Importance of religion for child's primary carer | Â | Â | Â | Â | Â | Â |
   Very important | 6.3 | 3.7 - 10.7 | 4.7 | 2.5 - 7.9 | 2.0 | 0.6 - 5.6 |
   Reasonably important | 12.2 | 7.5 - 18.5 | 8.9 | 4.5 - 15.2 | 3.7 | 2.2 - 5.6 |
   Not at all important | 10.8 | 6.7 - 25.4 | 5.8 | 3.7 - 8.7 | 6.0 | 4.0 - 8.8 |
Child was breastfed | Â | Â | Â | Â | Â | Â |
   Yes | 10.5 | 8.2 - 13.3 | 7.4 | 5.2 - 10.2 | 3.7 | 2.7 - 4.9 |
   No | 9.6 | 5.6 - 15.1 | 4.1 | 1.7 - 7.7 | 6.9 | 3.3 - 12.1 |
Family functioning | Â | Â | Â | Â | Â | Â |
   Good | 8.3 | 6.3 - 10.5 | 5.2 | 3.5 - 7.3 | 3.8 | 2.6 - 5.2 |
   Poor | 19.5 | 9.6 - 34.6 | 13.5 | 3.6 - 29.8 | 6.0 | 2.7 - 11.9 |
Child's birth weight | Â | Â | Â | Â | Â | Â |
   Normal | 10.5 | 8.2 - 13.1 | 7.2 | 5.2 - 9.8 | 3.9 | 3.0 - 5.1 |
   Low | 8.3 | 3.1 - 17.3 | 2.9 | 0.6 - 8.3 | 6.5 | 1.7 - 15.0 |