Table 3 Study and intervention characteristics
Characteristics | Number of studies | Percent (%) |
|---|---|---|
Study types | ||
 Randomized controlled trial | 8 | 23.5 |
 Quasi-experimental | 5 | 14.7 |
 Cross-sectional | 10 | 29.4 |
 Qualitative | 6 | 17.7 |
 Mixed-methods | 2 | 5.9 |
 Literature review | 1 | 2.9 |
 Commentaries | 2 | 5.9 |
Study Quality | ||
 100% | 13 | 38.2 |
 75% | 10 | 29.4 |
 50% | 6 | 17.7 |
 25% | 2 | 5.9 |
 Not applicable | 3 | 8.8 |
Intervention characteristics | ||
 Interventional studies | 30 | 88.2 |
 Non-intervention studies | 4 | 11.8 |
Location of interventions (n = 30) | ||
 African countries | 18 | 60.0 |
 South American countries | 3 | 10.0 |
 Asian countries | 5 | 16.7 |
 North America | 1 | 3.3 |
 Multi-country | 3 | 10.0 |