Table 1. List of studies included to show the effect of maternal education on infant mortality in Ethiopia.

Authors	Study design and setting	Study population and sample size	Education category	Methodological quality
Asefa M et al, 2000 [8]	Community based cohort study	8273 infants’ mothers were interviewed	No Education (no formal education) Primary education (Grade 1 to Grade 8) Secondary and above (Grade 9 and above)	9/11
Muluye S. & Wencheko E.,2005 [29]	Community based cross-sectional study	9861 children’s mothers were interviewed	No Education Primary education Secondary and above	7/8
Dube L et al, 2013 [30]	Community based matched case control study	254 infants’ mothers were interviewed	Illiterate Primary Secondary and above	10/10
Alemayehu et al, 2015 [31]	Population based cross-sectional study	A total of 16,267 women with 25,472 births	No Education Primary education Secondary and above	8/8
Kumar PP. and File G. 2015 [32]	Population based cross-sectional study	14,070 children mother were interviewed	illiterate Primary Secondary & above	6//8