Characteristics | Count | References |
---|---|---|
Year of Publication | ||
2011–2015 | 3 | |
2016–2020 | 3 | |
Country | ||
United States of America | 2 | |
Kenya | 1 | [29] |
Uganda | 1 | [32] |
South Africa | 1 | [27] |
Zimbabwe | 1 | [31] |
Study design (sample size) | ||
Pre and post intervention studies (61; 952) | 2 | |
Randomized controlled trial (4504; 66; 94) | 3 | |
Retrospective cohort (174) | 1 | [28] |