Pregnancy, delivery and postnatal complications reported by 1837 women in intervention wards and 1853 women in pre-intervention (control) wards
| Outcome | Proportion (n) | RRR (95% CIca) | RD (95% CIca) | NNT | ICC | |
| Intervention wards | Pre-intervention wards | |||||
| Pregnancy complications | ||||||
| No persistent headache | 0.950 (1746/1837) | 0.421 (780/1853) |
0.557
(0.434 to 0.680) |
0.530
(0.403 to 0.656) | 2 | 0.027 |
| No swelling of face or hands | 0.974 (1790/1837) | 0.711 (1317/1853) |
0.271
(0.201 to 0.340) |
0.264
(0.194 to 0.333) | 4 | 0.010 |
| No convulsions | 0.992 (1823/1837) | 0.951 (1763/1853) | 0.041 (–0.006 to 0.089) | 0.041 (–0.007 to 0.088) | 0.020 | |
| No vaginal bleeding | 0.978 (1797/1837) | 0.903 (1674/1853) |
0.076
(0.034 to 0.119) |
0.075
(0.032 to 0.117) | 14 | 0.007 |
| No dizziness or blurred vision | 0.969 (1780/1837) | 0.569 (1055/1853) |
0.412
(0.349 to 0.476) |
0.400
(0.264 to 0.535) | 3 | 0.007 |
| No raised blood pressure* | 0.966 (1409/1458) | 0.851 (1269/1492) |
0.120
(0.045 to 0.194) |
0.116
(0.042 to 0.190) | 9 | 0.016 |
| No ‘other problem’ in pregnancy | 0.961 (1766/1837) | 0.861 (1597/1853) |
0.104
(0.043 to 0.164) |
0.100
(0.040 to 0.159) | 10 | 0.010 |
| Delivery and postnatal complications | ||||||
| No perineal tear, cut or Caesarean section | 0.931 (1710/1837) | 0.955 (1769/1853) | −0.026 (–0.134 to 0.082) | −0.024 (–0.123 to 0.075) | 0.042 | |
| No ‘other problem’ in delivery | 0.977 (1795/1837) | 0.963 (1785/1853) | 0.014 (–0.007 to 0.035) | 0.014 (–0.007 to 0.035) | 0.003 | |
| No wound opening or infection after delivery | 0.994 (1808/1818) | 0.985 (1816/1844) | 0.010 (–0.007 to 0.026) | 0.010 (–0.007 to 0.026) | 0.005 | |
| No fever within 6 weeks of delivery | 0.833 (1531/1837) | 0.532 (986/1853) |
0.362
(0.195 to 0.528) |
0.301
(0.143 to 0.460) | 3 | 0.031 |
| No smelly discharge within 6 weeks of delivery | 0.950 (1746/1837) | 0.828 (1534/1853) |
0.129
(0.046 to 0.212) |
0.123
(0.041 to 0.205) | 8 | 0.017 |
| No sepsis within 6 weeks of delivery | 0.811 (1478/1822) | 0.488 (903/1852) |
0.399
(0.220 to 0.577) |
0.324
(0.155 to 0.493) | 3 | 0.033 |
Bold font indicates the contrast is significant at the 5% level.
*Among those women who had their blood pressure measured
95% CIca, cluster-adjusted 95% CI; ICC, intracluster correlation; NNT, number needed to treat (1/RD); RD, risk difference; RRR, relative risk reduction (1−RR (relative risk)).