Table 2.
Subgroup | No of studies | Prevalence (95% CI) | Heterogeneity statistics | I2 | P-value | |
---|---|---|---|---|---|---|
Region | Amhara | 7 | 4.8 (2.5,7.05) | 31.9 | 82.3 | <0.001 |
Oromo | 7 | 5.7 (4.2–7.3) | 8.45 | 29 | 0.207 | |
Tigray | 2 | 2.4 (1.2–3.7) | 1.03 | 2.6 | 0.311 | |
Addis Ababa | 1 | 6 (2.4,9.5) | – | – | – | |
SNNPR | 1 | 9 (4.6–13.3) | – | – | – | |
Dire Dawa | 1 | 15.7 (10.3–21) | – | – | – | |
Study year | 2013–2015 inclusive | 10 | 6.6 (3.9–9.2) | 74.7 | 88 | <0.001 |
After 2015 | 10 | 4.6 (3.1–6.1) | 20.4 | 60.8 | 0.009 | |
Study design | Cross-sectional | 8 | 4.2 (2.5–5.9) | 33.86 | 79.3 | <0.001 |
Cohort | 11 | 6.5 (4.8–8.2) | 26.6 | 62.4 | 0.003 |
CI, confidence interval; SNNPR, South Nation, Nationality and People.