Table 2.

Meta regression results on selected variables in studies conducted from 2007 to 2020, Africa

Covariate		Coefficient	P value
Publication years		−0.41	0.46
Sample size		−0.001	0.134
Country	Benin	6.7	0.6
	Botswana	13.4	0.32
	Burkina Faso	2.2	0.87
	Egypt	3.2	0.81
	Ethiopia	4.3	0.66
	Ghana	11.7	0.27
	South Africa	0.2	0.99
	Sudan	1.6	0.90
	Tunisia	6.4	0.62