Background
Methods
Search strategy
Selection of the articles
Analysis
Results
Total N (%) | Process and mechanism evaluations N (%) | ||
---|---|---|---|
Individual randomized trials | 23 (21.9) | 14 (13.3) | |
Randomized trial adaptations | 47 (44.8) | 43 (40.9) | |
Cluster randomized trials |
25 (23.8)
|
23 (21.9)
| |
Pragmatic trials |
9 (8.6)
|
8 (7.6)
| |
Cluster and pragmatic |
13 (12.4)
|
12 (11.4)
| |
Alternative methods to RCT | 36 (34.3) | 27 (25.7) | |
Quasi-experimental |
14 (13.3)
|
12 (11.4)
| |
Cohort study |
6 (5.7)
|
1 (0.1)
| |
Realist evaluation |
7 (6.7)
|
7 (6.7)
| |
Case studies and other approachesa |
9 (8.6)
|
7 (6.7)
|
Health promotion/Prevention (n = 29) | Clinical care/ Health services research (n = 76) | |||
---|---|---|---|---|
Total n (% a) | Including process and/or mechanism evaluation n (%b) | Total n (%a) | Including process and/or mechanism evaluation n (%b) | |
Individual randomized trials | 6 (20.7) | 5 (83.3) | 17 (22.4) | 9 (52.9) |
Randomized trial adaptations | 9 (31.0) | 9 (100) | 37 (48.7) | 34 (91.9) |
Cluster randomized trials |
5 (17.2)
|
5 (100)
|
19 (25)
|
18 (94.7)
|
Pragmatic trials |
1 (3.4)
|
1 (100)
|
8 (10.5)
|
7 (87.5)
|
Cluster and pragmatic |
3 (10.3)
|
3 (100)
|
10 (13.2)
|
9 (90)
|
Alternative methods to RCT | 14 (48.3) | 13 (92.9) | 22 (28.9) | 14 (63.6) |
Quasi-experimental |
7 (24.1)
|
6 (85.7)
|
7 (9.2)
|
6 (85.7)
|
Cohort study |
0 (0)
|
0
|
6 (7.9)
|
1 (16.7)
|
Realist evaluation |
2 (6.9)
|
2 (100)
|
5 (6.6)
|
5 (100)
|
Case studies and other approaches |
5 (17.2)
|
5 (100)
|
4 (5.3)
|
2 (50)
|