Neonatal outcomes among First Nations women and other women in Ontario without diabetes mellitus, 2002/03 to 2014/15
| Outcome | Other women | First Nations women | ||||
|---|---|---|---|---|---|---|
| 2002/03–2005/06 | 2006/07–2009/10 | 2010/11–2014/15 | 2002/03–2005/06 | 2006/07–2009/10 | 2010/11–2014/15 | |
| Preterm delivery | ||||||
| Rate per 100 births (95% CI) | 7.5 (7.4–7.6) | 7.8 (7.7–7.9) | 7.5 (7.4–7.6) | 7.7 (6.9–8.6) | 8.5 (7.7–9.4) | 8.8 (8.0–9.5) |
| IRR (95% CI) | 1.03 (0.92–1.14) | 1.10 (0.99–1.21) | 1.17 (1.07–1.27) | |||
| p for trend 2002/03–2014/15 | 0.9 | 0.02 | ||||
| Large for gestational age | ||||||
| Rate per 100 births (95% CI) | 11.0 (10.9–11.1) | 10.2 (10.1–10.3) | 9.5 (9.4–9.6) | 24.2 (22.7–25.8) | 23.7 (22.3–25.1) | 21.2 (20.0–22.3) |
| IRR (95% CI) | 2.21 (2.08–2.35) | 2.31 (2.18–2.45) | 2.23 (2.11–2.36) | |||
| p for trend 2002/03–2014/15 | < 0.001 | < 0.001 | ||||
| Congenital anomaly | ||||||
| Rate per 100 births (95% CI) | 5.1 (5.0–5.2) | 4.8 (4.7–4.8) | 5.6 (5.5–5.6) | 5.4 (4.7–6.1) | 4.7 (4.1–5.4) | 5.2 (4.7–5.8) |
| IRR (95% CI) | 1.05 (0.92–1.19) | 0.99 (0.87–1.13) | 0.94 (0.85–1.05) | |||
| p for trend 2002/03–2014/15 | < 0.001 | 0.6 | ||||
| Stillbirth | ||||||
| Rate per 100 births (95% CI) | 0.6 (0.6–0.7) | 0.6 (0.5–0.6) | 0.5 (0.5–0.6) | 0.8 (0.6–1.2) | 0.8 (0.6–1.2) | 0.9 (0.7–1.2) |
| IRR (95% CI) | 1.34 (0.97–1.86) | 1.49 (1.08–2.05) | 1.66 (1.28–2.15) | |||
| p for trend 2002/03–2014/15 | < 0.001 | 0.8 | ||||
Note: CI = confidence interval, IRR = incidence rate ratio (incident rate in First Nations women/incidence rate in other women per study period).