Table 4 Results from adjusted models for secondary outcomes
IRR (95% CI) | Registered midwife understaffing | Maternity assistant understaffing | Higher than expected service user turnover |
|---|---|---|---|
Reports of low staffing / high workload | 1.483 (1.273, 1.728) | 1.225 (1.015, 1.479) | 1.349 (1.183, 1.539) |
All incidents | 1.007 (0.958, 1.059) | 1.058 (0.997, 1.122) | 1.176 (1.128, 1.277) |
Incidents rated > = moderate harm | 1.097 (0.720, 1.670) | 1.197 (0.751, 1.909) | 1.488 (1.058, 2.091) |
Medicines incident | 1.018 (0.860, 1.205) | 1.032 (0.846, 1.260) | 1.042 (0.904, 1.201) |
Stillbirth or neonatal death | 1.048 (0.688, 1.597) | 0.924 (0.559, 1.531) | 0.863 (0.601, 1.242) |
Any type of delay | 1.164 (0.997, 1.360) | 0.889 (0.736, 1.075) | 1.224 (1.070, 1.401) |
Haemorrhage | 0.963 (0.822, 1.129) | 1.165 (0.961, 1.412) | 1.317 (1.148, 1.511) |
Third of fourth degree tear | 0.846 (0.689, 1.039) | 1.247 (0.980, 1.587) | 1.459 (1.225, 1.738) |
Incident related to discharge | 1.113 (0.824, 1.503) | 1.053 (0.726, 1.527) | 1.512 (1.160, 1.970) |