Table 2 Key characteristics of included studies: reviews (n = 62)
Criterion | Characteristic | Number of studies (%) |
|---|---|---|
Review type | Systematic review | 37 (59.7) |
Meta-analysis | 8 (12.9) | |
Literature review | 15 (24.2) | |
Scoping review | 2 (3.2) | |
Country of origin of included primary studies | LMIC | 5 (8.1) |
HIC | 42 (67.7) | |
LMIC and HIC | 15 (24.2) | |
Intervention type | Primary prevention | 41 (66.1) |
Secondary prevention | 3 (4.8) | |
Tertiary prevention | 18 (29.1) | |
Year of publication | 1974–1983 | – |
1984–1993 | – | |
1994–2003 | 8 (12.9) | |
2004–2013 | 22 (35.5) | |
2014–2019 | 32 (51.6) | |
Population | Adults only | 9 (14.5) |
Children only | 5 (8.1) | |
Adults and children | 48 (77.4) | |
Setting | National | 8 (12.9) |
State/province | 1 (1.7) | |
City/town/village | 10 (16.1) | |
Neighbourhood/home/school/health facility/workplace/community | 11 (17.7) | |
Multiple | 5 (8.1) | |
Not reported | 27 (43.5) |