Table 2.
The pooled prevalence of LBW, 95% CI and heterogeneity estimate with a p-value for the subgroup analysis
| Variables | Characterstics | Pooled prevalence (95%CI) | I2 (P-value) |
|---|---|---|---|
| By region | Addis Ababa | 22% (11.31–32.63) | 99.8% (< 0.001) |
| Tigray | 18.1% (6.6–29.6) | 99.5% (< 0.001) | |
| Oromia | 16.8% (12.9–20.7) | 97.8% (< 0.001) | |
| Amhara | 16.0% (13.5–18.5) | 73.4% (0.001) | |
| SNNPR | 1.3% (6.2–16.4) | 91.8% (< 0.001) | |
| By study design | Cross-sectional | 14.9%(11.6–18.1) | 99.0% (< 0.001) |
| Cohort | 23.9 (12.3–35.5) | 99.5%(< 0.001) | |
| By year of publication | 1989–2000 | 21.8% (11.2–32.4) | 99.7% (< 0.001) |
| 2000–2010 | 11.7% (10.0–13.4) | 95.1% (< 0.001) | |
| 2010–2017 | 17.7% (11.5–23.9) | 98.7%(< 0.001) |