Characteristics (N = 244)

Cases (%) (n = 122)

Controls (%) (n = 122)

Maternal age (in years)

<30

85 (69.71%)

83 (68.04%)

≥30

37 (30.29%)

39 (31.96%)

Education (mother)

Unable to read and write

20 (16.39%)

12 (9.8%)

Able to read and write

102 (83.61%)

110 (90.2%)

No. of children

≤3

45 (36.88%)

79 (64.8%)

>3

77 (63.11%)

43 (35.2%)

Ethnicity

Amhara

110 (92.1%)

121 (99.2%)

Others

12 (9.8%)

1 (0.8%)

Occupation of mothers

Employed

50 (41%)

41 (33.6%)

Unemployed

72 (59%)

81 (66.4%)