Subgroup | Number of studies (n) | Prevalence (95% CI) | Between group heterogeneity statistics | ||
---|---|---|---|---|---|
Cochrane Q | p value | I2 (%) | |||
Region | |||||
 Tigrai | 2 | 63.3 (60.7, 65.9) |  |  |  |
 Oromia | 1 | 62.4 (59.4, 65.4) |  |  |  |
 Somale | 1 | 56.7 (52.6, 60.7) | 149.5 | 0.000 | 99.0 |
 Amhara | 5 | 48.0 (33.7, 62.4) |  |  |  |
 SNNP | 2 | 42.2 (39.5, 44.9) |  |  |  |
Sample size | |||||
 < 1000 | 9 | 54.1 (43.7, 64.4) | 3.2 | 0.075 | 99.0 |
 1000+ | 2 | 44.4 (42.3, 46.6) |  |  |  |
Female proportion | |||||
 10–20 | 3 | 46.0 (27.2, 65.4) |  |  |  |
 20–30 | 3 | 49.2 (34.8, 63.8) | 2.1 | 0.556 | 98.8 |
 30–40 | 2 | 56.7 (54.0, 59.4) |  |  |  |
 40–50 | 3 | 57.7 (44.9, 70.0) |  |  |  |
Mean age | |||||
 < 20 | 2 | 64.0 (61.1, 66.9) | 5.6 | 0.018 | 98.8 |
 20+ | 9 | 50 (38.7, 61.3) |  |  |  |
Publication year | |||||
 2000–2010 | 1 | 28.4 (25.7, 31.1) |  |  |  |
 2011–2014 | 7 | 60.4 (50.7, 69.7) | 42.5 | 0.000 | 98.8 |
 2015–2017 | 3 | 42.1 (28.5, 56.3) |  |  |  |
Study year | |||||
 2000–2010 | 1 | 28.4 (25.7, 31.1) |  |  |  |
 2011–2014 | 7 | 60.4 (50.7, 69.7) | 2.2 | 0.137 | 98.8 |
 2015–2017 | 3 | 42.1 (28.5, 56.3) |  |  |  |