Table 1 Characteristics of RCTs (n = 100)
Study characteristics | Single-sex RCTs (n = 12) | Mixed-sex RCTs (n = 88) | Total (100) | |
|---|---|---|---|---|
N (%) unless otherwise specified | N (%) unless otherwise specified | N (%) unless otherwise specified | ||
First author Canadian | 11 | 88 | 99 (99%) | |
Last author Canadian | 12 | 81 | 93 (93%) | |
Sample size (randomized) | 103 (median) Range (20–1466) | 107 (median) Range (12–6085) | 107 (median) range (12–6085) | |
Reports recruitment methods | 7 (58%) | 43 (49%) | 50 (50%) | |
Cluster RCTs | 1 (8%) | 8 (9%) | 9 (9%) | |
Type of intervention | Pharmacological | 5 (42%) | 32 (36%) | 37 (37%) |
Non-pharmacological | 7 (58%) | 45 (51%) | 52 (52%) | |
Surgical | 0 (0%) | 6 (7%) | 6 (6%) | |
Organizational | 0 (0%) | 5 (6%) | 5 (5%) | |
Multi-site | Within Canada | 3 (25%) | 24 (27%) | 27 (27%) |
Outside of Canada (includes Canada) | 0 (0%) | 13 (15%) | 13 (13%) | |
Outside of Canada (not including Canada) | 0 (0%) | 1 (1%) | 1 (1%) | |
Region NRa | 0 (0%) | 1 (1%) | 1 (1%) | |
Single-site | Within Canada | 8 (67%) | 47 (53%) | 55 (55%) |
Outside of Canada | 1 (8%) | 1 (1%) | 2 (2%) | |
Region NR | 0 (0%) | 1 (1%) | 1 (1%) | |
Canadian funding | Yes | 9 (75%) | 59 (67%) | 68 (68%) |
No | 0 (0%) | 13 (15%) | 13 (13%) | |
NR | 3 (25%) | 16 (18%) | 19 (19%) | |
Type of funding | Non-profit | 3 (25%) | 34 (39%) | 37 (37%) |
Government | 4 (33%) | 18 (20%) | 22 (22%) | |
Industry | 0 (0%) | 10 (11%) | 10 (10%) | |
Non-profit + government | 2 (17%) | 6 (7%) | 8 (8%) | |
Non-profit + industry | 0 (0%) | 2 (2%) | 2 (2%) | |
Government + industry | 0 (0%) | 2 (2%) | 2 (2%) | |
Not reported | 3 (25%) | 16 (18%) | 19 (19%) | |