Variables | Characteristics | Included studies | Number of study participants | Prevalence with (95% CI) | I2, P-value |
---|---|---|---|---|---|
Publication year | 2006 and above | 24 | 67,125 | 67.42 (62.85–71.98) | 99.2, <0.001 |
Before 2006 | 5 | 2912 | 69.70 (53.83–85.58) | 99.3, <0.001 | |
Sample size | ≥ 1000 | 7 | 61,031 | 78.68 (73.42–83.93) | 99.3, <0.001 |
< 1000 | 22 | 9006 | 64.21 (55.56–72.86) | 99.0, <0.001 | |
Country | Ethiopia | 15 | 52,508 | 69.75 (65.08–74.43) | 97.9, <0.001 |
Kenya | 5 | 4383 | 45.04 (26.05–64.04) | 99.4, <0.001 | |
Tanzania | 4 | 10,162 | 82.25 (75.35–89.15) | 97.7, <0.001 | |
Malawi | 1 | 464 | 80.39 (76.78–84.00) | - | |
Rwanda | 1 | 68 | 70.59 (59.76–81.42) | - | |
Somalia | 1 | 1111 | 85.96 (83.92–88.00) | - | |
Mozambique | 1 | 332 | 37.05 (31.86–42.24) | - | |
Zimbabwe | 1 | 1009 | 91.97 (90.29–93.65) | - | |
Overall |  | 29 | 70,037 | 67.86 (63.59–72.12) | 99.2, <0.001 |