| 
      
        | Variable | Categories | Cases No (%) | Controls No (%) | COR(95%CI) | P-value |  
        | Water source | Protected | 111(82.8) | 124(92.5) | 1.000 |  |  
        |  | Unprotected | 23(17.2) | 10(7.5) | 2.569(1.172, 5.635) | 0.019* |  
        | Water point | Private | 46(34.3) | 82(61.2) | 1.000 |  |  
        |  | Public | 88(65.7) | 52(38.8) | 3.017(1.834, 4.963) | < 0.001* |  
        | Water distance from house(in minutes) |  
        |  | <5minutes | 20(37.7) | 60(69.0) | 1.000 |  |  
        |  | >5minutes | 33(62.3) | 27(31.0) | 3.667(1.789,7.514) | < 0.001* |  
        | Daily water consumption(L) |  
        |  | > 20/p/day | 18(13.4) | 25(18.7) | 1.000 |  |  
        |  | < 20/p/day | 116(86.6) | 109(81.3) | 1.234(0.65, 2.334) | 0.517 |  
        | Water storage container |  
        |  | Jerikan | 104(77.6) | 118(88.1) | 1.000 |  |  
        |  | Pot | 13(9.7) | 4(3.0) | 3.687(1.166, 11.66) | 0.026 * |  
        |  | Bucket/tanker | 17(12.7) | 12(9.0) | 1.607(0.733, 3.523) | 0.236 |  
        | Treat non potable water |  
        |  | Yes | 45(33.6) | 63(47.0) | 1.000 |  |  
        |  | No | 89(66.4) | 71(53.0) | 1.755(1.071, 2.875) | 0.026* |  
        | Distance of water from latrine |  
        |  | > 30meter | 36(26.9) | 25(18.7) | 1.000 |  |  
        |  | < 30meter | 98(73.1) | 109(81.3) | 1.602(0.898, 2.857) | 0.111* |  
        | Hand washing before food preparation |  
        |  | Yes | 72(53.7) | 90(67.2) | 1.000 |  |  
        |  | No | 62(46.3) | 44(32.8) | 1.761(1.073, 2.890) | 0.025* |  
        | Facility used for hand washing |  
        |  | Soap | 103(76.9) | 122(91.0) | 1.000 |  |  
        |  | Ash | 11(8.2) | 6(4.5) | 2.172(0.776, 6.075) | 0.140 |  
        |  | None | 20(14.9) | 6(4.5) | 3.948(1.528, 10.201) | 0.005* |  
        | *Variables which show significant association during the bivariate    analysis at P < 0.25. |  |