Subgroup | Number of included studies | Prevalence (95% CI) |
---|---|---|
Study setting | ||
 Ethiopia | 4 | 51.0 [28.0, 74.0] |
 Uganda | 1 | 64.0 [61.0, 66.0] |
 Nigeria | 2 | 45.0 [43.0, 48.0] |
Publication year | ||
 < 2010 | 2 | 61.0 [59.0, 63.0] |
 > 2010 | 5 | 50.0 [31, 68.0] |
Quality score | ||
 Low | 1 | 68.0 [59.0, 75.0] |
 Moderate | 4 | 45.0 [25.0, 66.0] |
 High | 2 | 61.0 [59.0, 63.0] |
Type of institution | ||
 Secondary | 3 | 49.0 [16, 83] |
 College | 2 | 61 [59, 63] |
 University | 2 | 45 [43, 45] |