Table 3. Univariate and multivariate logistic regression analysis of predictors of intestinal parasitic infection among food handlers in Yebu Town.

Characteristics	N°. examined	Positive	Crude OR (95% CI)	Adjusted OR (95%CI)
	No (%)	No (%)
Age group
<20	29 (24.6)	16 (55.2)	1.0	1.0
20–35	67 (56.8)	23 (34.3)	0.4 (0.2, 1.0)	1.1 (0.3, 3.6)
>35	22 (18.6)	13 (59.1)	1.2 (0.4, 3.6)	4.8 (1.1, 21.8)
Hand washing before meal
Always	77 (65.3)	21 (27.3)	1.0	1.0
Sometimes	41 (34.7)	31 (75.6)	8.2 (3.4, 19.7)	7.8 (2.8, 24.8)
Hand washing after toilet
Yes	39 (33.1)	9 (23.1)	1.0	1.0
No	79 (66.9)	43 (54.4)	3.9 (1.6, 9.4)	2.2 (0.8, 6.2)
Finger nail status
Trimmed	97 (82.2)	33 (34)	1.0	1.0
Untrimmed	21 (17.8)	19 (90.5)	18.4 (4.0, 83.9)	14.7 (2.8, 75.4)