Characteristic | Level | N | Bundle alignment score Mean (SD) | p-value | |||
---|---|---|---|---|---|---|---|
 |  |  | Pre | Post | Difference | Pre | Difference |
Hospital size (Number of overnight beds) | <=350 | 3 | 16.0 (0.75) | 19.1 (0.55) | 3.1 (0.86) | 0.77 | 0.90 |
351–600 | 4 | 15.0 (1.24) | 18.5 (2.25) | 3.4 (2.38) | |||
600+ | 4 | 14.3 (4.68) | 18.2 (3.85) | 3.9 (3.03) | |||
Cleaning workforce | Single | Â | 15.3 (1.57) | 19.0 (2.49) | 3.7 (2.28) | 0.70 | 0.68 |
Dual | Â | 14.6 (4.47) | 17.7 (2.56) | 3.1 (2.24) | |||
Duration of intervention (weeks) | 1–30 | 4 | 16.0 (3.40) | 18.7 (3.35) | 2.7 (3.45) | 0.42 | 0.37 |
31–50 | 7 | 14.5 (2.45) | 18.5 (2.15) | 4.0 (1.10) | |||
Staff readiness score | 5–9.99 | 1 | 9.5 (−) | 14.4(−) | – | – | – |
10–14.99 | 7 | 14.9 (1.67) | 18.7 (2.52) | 3.8 (2.19) | |||
15–20 | 3 | 17.3 (2.54) | 19.7 (1.07) | 2.4 (2.45) | |||
Organisational readiness score | 5–9.99 | 4 | 13.2 (3.05) | 16.4 (2.08) | 3.2 (2.17) | 0.10 | 0.73 |
10–15 | 7 | 16.1 (2.13) | 19.8 (1.78) | 3.7 (2.32) |