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. 2019 Apr 25;19:341. doi: 10.1186/s12879-019-3971-x

Table 3.

Multivariate logistic regression analysis of potential risk factors associated with IPIs among school children at Jawi Primary School in Jawi, Ethiopia, 2016/17

Risk factors IPIs
Categories Total Nn. (%) Negative No.(%) Positive No.(%) AOR, 95% CI P-value
Residence Urban 273(67.2) 150(55) 123(45) 1 0.916
Rural 133(32.75) 58(43.6) 75(56.4) 0.97(0.53,1.79)
Age in year 6–11 191(47) 94(49.2) 97(50.8) 2.31(1.13,4.71) 0.021*
12–18 159(39.2) 75(47.2) 84(52.8) 2.24(1.09,4.62)
19–21 56(13.8) 39(69.6) 17(30.4) 1
Sex Male 216(53.2) 104(48.1) 112(51.9) 1.29(0.82,2.03) 0.78
female 190(46.8) 104(54.7) 86(45.3) 1
Mothers’ occupation Government employee 46(11.3) 20(43.5) 26(56.5) 1 0.208
Merchant 85(20.9) 49(57.6) 36(42.4) 1.6(0.79,3.26)
Others 69(17) 43(62.3) 26(37.7) 1.26(0.59,2.7)
housewife 206(50.7) 96(46.6) 110(53.4) 2.44(1.00,5.92
Ways of disposing household wastes Burning 38(9.4) 25(65.8) 13(34.2) 1
Bury under ground 85(21.6) 46(54.1) 39(45.9) 0.52(0.24,1.12) 0.24
On open field 283(69) 137(48.4) 146(51.9) 0.86(0.48,1.53)
Hand washing habit before meals Always 122(30) 72(59) 50(41) 1 0.029*
Sometime 284(69.95) 136(47.9) 148(52.1) 5(1.34, 14.94)
Defecation habit Open field 204(50.5) 85(41.7) 119(58.3) 2.33(1.44,3.76) < 0.001*
In latrine 202(49.5) 123(60.9) 79(39.1) 1
Eating raw vegetables and unwashed fruit Yes 268(66) 126(47) 142(53) 1.82(1.14,2.3) 0.012*
no 138(34) 82(59.4) 56(40.6) 1
Source of drinking water Protected tap water 50(12.3) 31(62) 19(38) 1 0.48
Borehole 228(56.2) 119(52.2) 109(47.8) 0.66(0.33,1.32)
Unprotected spring/stream 128(31.5) 58(45.3) 70(547) 0.88(0.53,1.45)
Having frequent water contact practices Always 106(26.1) 53(50) 53(50) 1.72(0.97,3.07) 0.166
Sometimes 211(52) 99(47) 112(53) 1.65(0.86,3.19)
Not at all 89(21.9) 56(63) 33(37) 1
Consistency of wearing shoes Always 111(27.3) 71(64) 40(36) 1 < 0.001*
Sometimes 241(59.4) 121(50.2) 120(49.8) 2(1.2, 6.93)
Not at all 54(13.3) 16(29.6) 38(70.4) 4(1.5, 9.44)
Dirty things in finger nails Yes 245(60.3) 115(47) 130(53) 1.56(0.99,2.44) 0.05*
no 161(37.43) 93(56.7) 68(43.4) 1

Note: 1 = reference value, * = statistically significant at p < 0.05, AOR = adjusted odds ratio (multivariate regression model) for age, hand washing habit before meals, defecation habit, consistency of wearing shoes, habit of eating raw vegetables and unwashed fruit, and dirty finger nails