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Characteristics of Included Studies (N = 6)
| Characteristics | Count | References |
|---|---|---|
| Year of Publication | ||
| 2011–2015 | 3 | [27, 28, 30] |
| 2016–2020 | 3 | [29, 31, 32] |
| Country | ||
| United States of America | 2 | [28, 30] |
| 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 | [29, 30] |
| Randomized controlled trial (4504; 66; 94) | 3 | [27, 31, 32] |
| Retrospective cohort (174) | 1 | [28] |
