Table 3 Characteristics of the cluster randomised crossover trials
Disease or domain under study | n (%) (N = 83) |
|---|---|
Infection control | 19 (23%) |
Cardiovascular disease | 10 (12%) |
Health services delivery | 9 (11%) |
Infectious disease | 8 (10%) |
General and public health | 5 (6%) |
Medical training | 5 (6%) |
Communication of health information | 4 (5%) |
Pregnancy, childbirth, and early childhood | 3 (4%) |
Mental health and behavioural conditions | 3 (4%) |
Respiratory disease | 3 (4%) |
Blood sample contamination | 3 (4%) |
Cognition | 3 (4%) |
Central nervous system and musculoskeletal disease | 2 (2%) |
Oral health | 2 (2%) |
Nutritional and metabolic disorders | 1 (1%) |
Urogenital disease | 1 (1%) |
Digestive disorders | 1 (1%) |
Pain management | 1 (1%) |
Type of intervention | |
Intervention targeting the individual | 42 (51%) |
Intervention targeting health care provider | 21 (25%) |
Quality improvement intervention | 14 (17%) |
Intervention resulting in change to the participant environment | 6 (7%) |
Number of interventions | |
2 | 74 (89%) |
3 | 8 (10%) |
4 | 1 (1%) |
Number of clusters - Median [IQR]; Range | 2 – 268 |
Unclear | 4 (5%) |
Number of periodsa | |
2 | 53 (70%) |
3 | 8 (11%) |
4+ | 15 (18%) |
Unclear | 7 (8%) |
Cluster-period size - Median [IQR]; Range | 27 [14–77]; 2 – 1319 |
Unclear | 17 (20%) |