Explanatory variables Case No(%)=102 Control No (%)=201 Hand washing practice of care giver         After use latrine 35(34.32) 41(20.39)     Before  food preparation 26(25.49) 52(25.87)     After cleaning child 7(6.86) 1(0.5)     Mostly   after  lunch 3(2.94) 1(0.5)                   All 31(30.39) 106(52.74) How wash care giver their hands         Only with water 54(52.94) 62(30.84)     Some times with soap 42(41.18) 118(58.72)    Always with soap  6(5.88) 21(10.44)    Type of house        Tickule 19(18.62) 19(9.5)   Corrugated iron  sheet 83(81.38) 182(90.5) separate animal house from main house            Yes 62(60.78) 160(79.60)        No 40(39.22) 41(20.40) Source of drinking water          Unprotected 60(58.80) 88(43.80       Protected 42(41.20) 113(56.20)

Table 3: Environmental health conditions which are factors under five children age malnutrition in machakel woreda, Ethiopia, 2013.