Prevalence and Determinants of Low Birth Weight in Ethiopia: A Systematic Review and Meta-Analysis

Table 2

Subgroup analysis of prevalence of low birth weight in Ethiopia.

Subgroup	Number of studies included	Prevalence (95% CI)	Test of heterogeneity (I^2)	value
By region
Addis Ababa city	2	8.66 (8.00, 9.33)	44.1%	0.181
Amhara	4	15.12 (11.99, 18.26)	70.1%	0.018
Dire Dawa city	1	13.20 (09.90, 16.50)	—	—
Oromia	8	15.09 (11.33, 18.85)	96.8%	<0.001
SNNPR	4	09.99 (06.02, 13.96)	90.1%	<0.001
Tigray	4	15.36 (08.57, 22.15)	94.3%	<0.001
Nation-based studies	2	19.55 (00.83, 38.27)	99.9%	<0.001
By study design
Cross-sectional study	17	14.55 (10.06, 19.03)	98.8%	<0.001
Cohort study	8	13.03 (10.62, 15.45)	97.0%	<0.001
By publication year
1990–2000	5	10.12 (8.37, 11. 86)	92.9%	<0.001
2001–2010	5	12.82 (9.93, 15.70)	94.3%	<0.001
2011–2017	15	15.84 (10.63, 21.05)	98.5%	<0.001