# Table 5 Multivariable logistic regression analysis of predicators for intestinal parasitic infection among food handlers in Aksum Town, Northern Ethiopia. (Sep -Nov 2015), (n = 400)

Variables Positive for intestinal parasite COR (95% CI) P-value AOR (95% CI)
Yes No
Education level Illiterate 22 46 4.15(2.17–7.96) < 0.001 3.0(1.03–8.20)*
Primary school 10 70 1.24(0.57–2.70) 0.481 0.70(0.24–2.05)
Secondary school and above 26 226 1   1
Source of water Protected hand dug well 18 40 3.39(1.78–6.48) < 0.001 2.48(0.85–7.19)
Private tap water 40 302 1   1
Hand washing before food preparation Always 33 277 1   1
Usually 14 51 2.30(1.15–4.60) 0.018 0.98(0.23–4.18)
Sometimes 11 14 6.59(2.76–15.71) < 0.001 2.21(0.43–11.31)
Hand washing by soap and water Always use it 30 265 1   1
Usually use it 11 50 1.94(0.91–4.13) 0.084 1.04(0.30–3.51)
Sometime use it 17 27 5.56(2.72–11.36) < 0.001 1.82(0.36–9.20)
Hand washing after touching dirty material No 28 69 3.69(2.07–6.58) < 0.001 1.72(0.68–4.33)
Yes 30 273 1   1
Medical checkup for IP Every 3 months 24 255 1   1
Every 6 months 15 44 3.62(1.76–7.44) < 0.001 2.36(0.89–6.25)
Every 9 months 11 8 14.60(5.36–39.80) < 0.001 12.33(3.23–46.76)*
How frequent the kitchen floor cleaned Once a day 27 129 1   1
Twice a day 20 111 0.86(0.45–1.61) 0.642 1.40(0.52–3.80)
Three times a day 11 102 0.51(0.24–1.08) 0.082 1.40(0.44–4.34)
Received feedback from customers No 25 81 1   1
Yes 33 261 0.40(0.23–0.72) 0.002 0.36(0.15–0.89)*
Received food hygiene training No 48 176 1   1
Yes 10 166 0.22(0.10–0.45)   0.34(0.12–0.96)*
Knowledge of food handlers on IPs Poor knowledge 35 168 1.576(.894–2.779) 0.116 0.82(0.33–2.05)
Good knowledge 23 174 1   1
1. *significant at p-value < 0.05, COR Crude Odds Ratio, AOR Adjusted Odds Ratio, IP Intestinal Parasites