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Table 4 Binary logistic regression analysis of potential risk factors associated with E. histolytica/dispar and hookworm infection among children at Dona Berber first cycle primary school in Bahir Dar, Ethiopia, 2015/2016

From: Prevalence of intestinal parasitic infections and associated risk factors among students at Dona Berber primary school, Bahir Dar, Ethiopia

Dependent variables Categories E. histolytica/dispar Crude OR (CI 95%) Adjusted OR (CI 95%) #
Positive No (%) Negative No (%) Total No (%)
Water source Well water 28 (44.4) 35 (55.6) 63 (17.5) 3.07 (1.72–5.47)** 2.51 (2.30–4.86)**
River 4 (16) 21 (84) 25 (7) 0.73 (0.24–2.22) 0.36 (0.11–1.19)
Tape water 56 (20.7) 215 (79.3) 271 (75.5 1.00 1.00
Hand washing habit Sometimes 53 (36.3) 93 (63.7) 146 (40.7) 2.99 (1.77–4.76)** 2.32 (1.56–3.97)**
Always 35 (16.4) 178 (83.6) 213 (59.3) 1.00 1.00
Fingernail cleanness Not clean 55 (44) 70 (56) 115 (34.8) 4.79 (2.87–7.97)** 4.42 (2.55–7.65)**
Clean 33 (14.1) 201 (85.9) 234 (65.2) 1.00 1.00
Toilet availability Not available 25 (37.3) 42 (62.7) 67 (18.7) 0.46 (0.26–3.82)* 0.88 (0.45–1.74)
Available 63 (21.6) 229 (78.4) 292 (81.3) 1.00 1.00
   Hook worm   
Positive No (%) Negative No (%) Total No (%)
Shoe wearing habit Not at all 8 (40) 12 (60) 20 (5.6) 10.72 (3.7–31.2)** 10.92 (3.7–32.1)**
Sometimes 62 (46.3) 72 (53.7) 134 (37.3) 13.85 (7.1–27.2)** 14.13 (7.1–28.3)**
Always 12 (5.9) 193 (94.1) 205 (57.1) 1.00 1.00
Toilet availability Not available 23 (34.3) 44 (65.7) 67 (18.7) 0.48 (0.27–0.87)* 1.09 (0.57–2.08)
Available 59 (20.2) 233 (79.8) 292 (81.3) 1.00 1.00
  1. Not: *= p < 0.05, **= p < 0.01, #= adjusted (multivariate regression model) for drinking water source, finger nail cleanness, hand washing habit before meal and toilet availability for E. histolytic/dispar and shoe wearing habit and toilet availability for hookworm infection