Table 4:
Primary outcome and component outcomes
| Variable | Planned home, no. (%) n = 11 492* (nulliparous n = 4 027, multiparous n = 7 465) |
Planned hospital, no. (%) n = 11 491* (nulliparous n = 4 027, multiparous n = 7 464) |
RR (95% CI) |
|---|---|---|---|
| Primary composite outcome | |||
| Perinatal/neonatal morbidity or death | 45 (0.4) | 44 (0.4) | 1.03 (0.68–1.55) |
| Nulliparous | 30 (0.8) | 29 (0.7) | 1.04 (0.62–1.73) |
| Missing | 24 | 13 | |
| Multiparous | 15 (0.2) | 15 (0.2) | 1.00 (0.49–2.05) |
| Missing | 73 | 59 | |
| Composite component outcomes | |||
| Stillbirth or neonatal mortality ≤ 28 d | 12 (0.1) | 11 (0.1) | 1.09 (0.48–2.47) |
| Nulliparous | 7 (0.2) | 8 (0.2) | 0.88 (0.32–2.41) |
| Multiparous | 5 (0.1) | 3 (0.04) | 1.67 (0.40–6.97) |
| Stillbirth (after onset of labour) | 4 (0.03) | 2 (0.02) | 2.00 (0.37–10.9) |
| Nulliparous | 3 (0.1) | 1 (0.02) | 3.00 (0.31–28.8) |
| Multiparous | 1 (0.01) | 1 (0.01) | 1.00 (0.06–16.0) |
| Perinatal mortality (intrapartum to 7 d) | 9 (0.1) | 9 (0.1) | 1.00 (0.40–2.52) |
| Nulliparous | 7 (0.2) | 6 (0.1) | 1.17 (0.39–3.47) |
| Multiparous | 2 (0.03) | 3 (0.04) | 0.67 (0.11–3.99) |
| Neonatal death (0–28 d)† | 8 (0.1) | 9 (0.1) | 0.89 (0.34–2.30) |
| Nulliparous | 4 (0.1) | 7 (0.2) | 0.57 (0.17–1.95) |
| Multiparous | 4 (0.1) | 2 (0.03) | 2.00 (0.37–1.91) |
| Neonatal morbidity | 38 (0.3) | 40 (0.3) | 0.95 (0.61–1.48) |
| Nulliparous | 27 (0.7) | 26 (0.6) | 1.04 (0.61–1.78) |
| Missing | 26 | 13 | |
| Multiparous | 11 (0.2) | 14 (0.2) | 0.79 (0.36–1.73) |
| Missing | 73 | 59 | |
| Apgar < 4 at 5 min | 16 (0.1) | 24 (0.2) | 0.67 (0.36–1.26) |
| Nulliparous | 12 (0.3) | 16 (0.4) | 0.75 (0.36–1.59) |
| Missing | 26 | 13 | |
| Multiparous | 4 (0.1) | 8 (0.1) | 0.50 (0.15–1.66) |
| Missing | 74 | 60 | |
| PPV and cardiac compressions | 28 (0.2) | 27 (0.2) | 1.04 (0.61–1.76) |
| Nulliparous | 20 (0.5) | 18 (0.4) | 1.11 (0.59–2.10) |
| Multiparous | 8 (0.1) | 9 (0.1) | 0.89 (0.34–2.30) |
Note: CI = confidence interval, PPV = positive pressure ventilation, RR = relative risk.
*
Three infants were excluded from these outcomes owing to lethal malformations (1 in the multiparous planned home birth group, 2 in the multiparous planned hospital birth group).
†
Denominator was adjusted to exclude stillbirths and missing data.