Table 2

Meta-regression analysis results

Explanatory variables	The C for child vaccination
Explanatory variables	Univariate meta-regression			Multivariate meta-regression
	Coefficient	P values	Adjusted R² (%)	Coefficient	P values
Gini index	−0.299 (−0.778 to 0.18)	0.215	1.64	0.153 (−0.326 to 0.631)	0.523
The C for mother’s educational level (year)	0.361 (0.091 to 0.63)	0.01	12.95	0.19 (−0.074 to 0.453)	0.154
The C for mother’s age at birth—less than 19	0.078 (−0.377 to 0.534)	0.731	−1.52	0.231 (−0.194 to 0.656)	0.279
The C for number of children (less than 5 years old) 3 and above	0.129 (−0.306 to 0.564)	0.553	−2.21	0.3 (−0.157 to 0.757)	0.192
The C for antenatal care coverage (at least four visits)	0.505 (0.248 to 0.762)	0.000	26.06	0.606 (0.301 to 0.911)	0.000
Adjusted R² (%)				33.72
n	46

95% CIs in parentheses.