Characteristics of trial | n = 104 (%) |
---|---|
Year published range 2007–2016 (mean, SD) | 2010 (2.47) |
Study design | |
RCT | 86 (83) |
Other controlled trial | 18 (17) |
Health risk targeted | |
Nutrition | 13 (13) |
Physical activity | 22 (21) |
Physical activity and nutrition | 22 (21) |
Sexual health | 15 (14) |
Smoking | 12 (12) |
Substance use (including substance use and another health behaviour) | 20 (19) |
Setting | |
Community | 15 (14) |
Education | 70 (67) |
Medical | 9 (9) |
Worksites | 7 (7) |
Other | 3 (3) |
Country | |
Europe | 34 (33) |
North America | 35 (34) |
Oceania | 18 (17) |
Other | 17 (16) |
Effective intervention | 71 (68) |
Potentially effective | 22 (21) |
Lacks evidence of effectiveness | 11 (11) |
Risk of bias | |
Low risk of bias | 37 (36) |
High risk of bias | 30 (29) |
Unclear risk of bias | 37 (36) |
Funding | |
Government | 78 (75) |
Nongovernmental | 15 (14) |
Not reported | 11 (11) |