Table 1 Study characteristics
Characteristic | Frequency |
|---|---|
Design | |
 Descriptive | 70 |
 Intervention | 11 |
Method | |
 Mixed methods | 16 |
 Qualitative | 7 |
 Quantitative | 58 |
Region | |
 East Africa (Ethiopia, Kenya, Malawi, Tanzania, Uganda) | 10 |
 North Africa (Egypt) | 4 |
 West Africa (Ghana, Nigeria) | 10 |
 North/Central America (Mexico) | 3 |
 South America (Brazil) | 1 |
 East Asia (China) | 1 |
 Southeast Asia (Malaysia) | 6 |
 South Asia (Bangladesh, India, Nepal, Pakistan, Sri Lanka) | 39 |
 West Asia (Iran, Jordan, Lebanon, Turkey) | 7 |
Settinga | |
 Mix | 21 |
 Rural | 23 |
 Urban | 30 |
School statusa | |
 Mix of school-going and out-of-school | 12 |
 School-going | 63 |