Hospital 1 | Pre-intervention (months 1–3) | 700 | 65.9 | 53.4 | 62.0 to 70.0 |
| Intervention (months 4–6) | 807 | 62.9 | 52.3 | 59.3 to 66.5 |
| Post-intervention (months 7–12) | 1514 | 74.1 | 54.7 | 71.3 to 76.8 |
| Total hospital 1 | 3021 | 69.2 | 54.0 | 67.3 to 71.1 |
Hospital 2 | Pre-intervention (months 1–6) | 672 | 50.5 | 48.3 | 46.9 to 54.2 |
| Intervention (months 7–9) | 331 | 46.0 | 48.9 | 40.7 to 51.2 |
| Post-intervention (months 10–12) | 340 | 48.8 | 46.3 | 43.8 to 53.7 |
| Total hospital 2 | 1343 | 49.0 | 48.0 | 46.4 to 51.5 |
Both hospitals | Pre-intervention | 1372 | 58.4 | 51.5 | 55.7 to 61.1 |
| Intervention | 1138 | 58.0 | 51.9 | 55.0 to 61.0 |
| Post-intervention | 1854 | 69.4 | 54.1 | 67.0 to 71.9 |
| Total hospital 1 and 2 | 4364 | 63.0 | 53.0 | 61.4 to 64.6 |