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
| 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 | |
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