No | % of group | % of total | |
---|---|---|---|
RCT = randomised controlled trial. | |||
Group A: descriptive | 151 | 76 | |
Surveillance | 19 | 13 | (9) |
Analytic | 22 | 15 | (11) |
Process/program | 37 | 25 | (19) |
Other methods | 73 | 48 | (37) |
Group B: methodologic | 30 | 15 | |
Methods | 11 | 36 | (5) |
Technology | 19 | 63 | (9) |
Group C: intervention | 17 | 8 | |
Non- or quasi-RCT | 15 | 88 | (7) |
RCT | 2 | 12 | (1) |