Logistic Regression Analysis for Cesarean Delivery
| Univariate | Multivariate | ||||
|---|---|---|---|---|---|
| Variable | Odds Ratio | 95% CI | Odds Ratio | 95% CI | 95% CI* |
| CI = confidence interval; AMOR-IPAT = Active Management of Risk in Pregnancy at Term; BMI = body mass index. | |||||
| * Adjusted for clustering of births by prenatal care practitioner. | |||||
| AMOR-IPAT exposure | 0.42 | 0.29–0.60 | 0.56 | 0.37–0.88 | 0.37–0.88 |
| Family physician practitioner | 0.41 | 0.27–0.62 | 0.55 | 0.34–0.91 | 0.35–0.87 |
| Short stature (≤62 in) | 1.85 | 1.34–2.57 | 1.88 | 1.27–2.78 | 1.52–2.32 |
| High BMI (>30 kg/m2) at conception | 2.07 | 1.44–2.98 | 2.43 | 1.55–3.81 | 1.64–3.60 |
| Epidural analgesia | 4.72 | 3.25–6.85 | 3.18 | 2.03–4.97 | 2.37–4.25 |
| Nulliparous | 1.73 | 1.26–2.38 | 4.82 | 2.77–8.40 | 2.20–10.55 |
| Previous cesarean delivery | 6.42 | 4.33–9.52 | 20.55 | 10.9–38.6 | 10.38–40.69 |
| Malpresentation (nonvertex) | 58.3 | 27.7–122.7 | 146.85 | 59.6–362 | 75.9–284 |