Table 4: Results of bivariate analysis on onchocerciasis and associated factors among adults aged ≥ 15 years in Semen Bench district, Bench Maji Zone, Southwest Ethiopia, June 2018 (n=553).

VariableCategory Total (%)Onchocerciasis statusCOR[95% C.I]P- value
Positive Negative

Age15-24210(38)3 (1.4)207(98.6)1.000
25-34171(31)5 (2.9)166(97.1)2.078 [0.490, 8.823] 0.321
35-4490(16.3)16 (17.8)74(82.2)14.919 [4.226, 52.667]<0.001
≥4582(14.8)11(13.4)71(86.6)10.690 [2.900, 39.412]<0.001
SexMale272(49.1)28(10.3)244(89.7)4.492 [1.928, 10.467]0.001
Female281(50.9)7(2.5)274(97.5)1.000
ReligionProtestant496(89.6)32(6.5)464(93.5)1.241[0.368, 4.190]0.728
Others57(10.4)3(5.3)54(94.7)1.000
Educational statusIlliterate186(33.6)19(10.2)167(89.8)2.496 [1.252, 4.977]0.009
Read & write & above367(66.4)16(4.4)351(95.6)1.000
OccupationFarmer352(63.7)31(8.8)321(91.2)4.756 [1.654, 13.677]0.004
Others201(36.3)4(1.90)197(98.1)1.000
Duration of stay in years1-20208(37.8)7(3.4)201(96.6)1.000
21 & +342(62.2)27(7.9)315(92.1)2.461[1.052, 5.758]0.038
Compliance to ivermectin Rx Non-compliant266(48.4)27(10.2)239(89.8)3.897[1.716, 8.632]0.001
Compliant284(51.4)8(2.8)276(97.2)1.000
Residence distance from river< 2KM130(23.5)23(17.7)107(82.3)7.362[3.549, 15.272]<0.001
≥ 2KM423(76.5)12(2.8)411(97.2)1.000
Residence existed at river bankYes111(20.1)21(18.9)90(81.1)7.682 [3.709, 15.910]<0.001
No441(79.4)13(2.9)428(97.1)1.000