Explanatory variables Case No (%)n=102 Control No(%)n=201
Religion    
  Orthodox 102(100) 198(98.5)
   Muslim 0(0.0) 3(1.4)
Education of mother    
  Cannot read and write 86(84.3) 128(63.7)
   Literate 16(15.7) 73(36.3)
Education of father    
   Cannot read and write 65(63.7) 49(24.4)
   Literate 37(36.3) 152(75.6)
Head of house hold    
  Male 95(93.13) 174(86.56)
 Female 7(6.8) 27(14.43)
Occupation of mother    
  Merchant 10(9.8) 40(19.9)
  Housewife 90(88.2) 139(69.2)
  Employ 2(2) 22(10.9)
Decision  maker to use money    
  mostly mother 4(3.92) 17(8.45)
  Mostly father 59(57.84) 60(29.85)
  Both jointly 39(38.13) 124(61.69)
child sex    
   Male 54(52.94) 101(50.24)
  Female 48(47.06) 100(49.75)
Family size    
  Less than three 15(37.5) 61(50.0)
  Greater than three 25(62.5) 61(50.0)
Table 1: socio-demographic characteristic of cases and controls in Machakel woreda, Ethiopia, 2013.