Determinant factor S. mansoni COR (95% CI) AOR (95%) Positive Negative Age of participants 7-10 21 (20.2)@ 83 (79.8) 0.004 3.831 (1.554-9.446) 0.205 2.389 (0.621,9.19) 11-14 27 (18.6) 118 (81.4) 0.005 3.465 (1.449, 8.284) 0.018 3.04 (1.12, 8.21) ≥15 7 (6.2) 106 (93.8) 1 1 Grade level 1-4 35 (20.5) 136 (79.5) 0.009 2.200 (1.215, 3.984) 0.371 1.849 (0.482, 7.10) 5-8 20 (10.5) 171 (89.5) 1 1 School of participants Chifarit 10 (30.3) 23 (69.7) 0.003 3.836 (1.556, 9.398) 0.646 1.491 (0.272, 8.18) T/Wuha 28 (17.3) 134 (82.7) 0.063 1.844 (0.966, 3.518) 0.513 0.629 (0.150, 2.50) Jiga 01 17 (10.2) 150 (89.8) 1 1 Knowledge about schistosomiasis Yes 8 (9.3) 78 (90.7) 0.079 1 0.613 1 No 47 (17) 229 (83) 2.036 (0.922, 4.495) 0.621 (0.149,2.43) Sex of participants Male 33 (15.1) 186 (84.9) 0.935 1.025 (0.570, 1.840) Female 22 (15.4) 121 (84.6) 1 Residence Jiga town 21 (15.1) 118 (84.9) 1 Rural villages 34 (15.2) 189 (84.8) 0.971 0.989 (0.548, 1.786) Parents occupation Farmer 32 (19.1) 136 (80.9) 0.157 1.882 (0.785, 4.516) Merchants 16 (12.2) 115 (87.8) 0.824 1.113 (0.433, 2.860) Gov’t employee 7 (11.1) 56 (88.6) 1 River water contact No 2 (28.6)@ 5 (71.4) 1 1 Yes 53 (14.9) 302 (85.1) 0.008 7.948 (1.728, 36.559) 0.051 4.86 (0.991, 23.8) Shoes wearing habit Sometimes 21 (24.7) 64 (75.3) <0.001 5.344 (2.154, 13.256) 0.001 6.06 (2.6, 14.13) Usually 27 (17.3) 129 (82.7) 0.006 3.409 (1.403, 8.125) Regularly 7 (5.8) 114 (94.2) 1 1 Proper latrine usage No 27 (16.6) 136 (83.4) 0.511 1.121 (0.683, 2.154) Yes 28 (14.1) 171 (85.9) 1 Swimming in river water No 13 (8.7) 136 (91.3) 1 1 Yes 42 (19.7) 171 (80.3) 0.005 0.389 (0.201, 0.754) 0.997 Crossing a river with barefoot No 21 (14.4) 125 (85.6) 1 Yes 34 (15.7) 182 (84.3) 0.724 0.899 (0.499, 1.622) Drinking water source Tap 27 (12.1) 196 (87.9) 1 1 River/well 28 (20.1) 111 (79.9) 0.040 1.831 (1.028, 3.263) 0.998
