Table 2 Results of univariable analyses for incidents involving harm
| Â | Incident rate ratio for incidents involving harm | 95% CI |
|---|---|---|
Understaffing less than the mean for Registered Midwives | 1.104 | 1.014, 1.203 |
Understaffing less than the mean for Maternity Assistants | 1.031 | 0.947, 1.122 |
Understaffing less than the mean for Overall staffing (RM + MA) | 1.313 | 0.932, 1.850 |
Weekend versus weekday | 0.943 | 0.858, 1.036 |
Higher than expected service user turnover | 1.203 | 1.105, 1.309 |
Skill mix, proportion of total staff who are Registered | 1.661 | 0.523, 5.273 |
Proportion of population > 40 years | 3.223 | 0.340, 30.544 |
Proportion of population with Charlson comorbidity index > 0 | 0.391 | 0.077, 1.983 |