Table 2 Key characteristics of included studies.
Characteristics | No. of studies (%) |
|---|---|
Country | |
China | 4 (40) |
Ecuador | 1 (10) |
India | 1 (10) |
Malawi | 1 (10) |
Mexico | 1 (10) |
Peru | 1 (10) |
South Africa | 1 (10) |
Country income groups | |
Low-income country | 1 (10) |
Lower-middle-income country | 1 (10) |
Upper-middle-income country | 8 (80) |
Study year (last year of study period) | |
2020 | 2 (20) |
2019 | 6 (60) |
2017 | 1 (10) |
2016 | 1 (10) |
Study design | |
Cross-sectional | 9 (90) |
Randomised control trial | 1 (10) |
Study methodology | |
Qualitative | 1 (10) |
Quantitative | 6 (60) |
Mixed-Methods | 3 (30) |
Studied sample sizes | |
Small (<100 subjects) | 4 (40) |
Medium (between 100–500 subjects) | 2 (20) |
Large (>500 subjects) | 4 (40) |
