Table 2 Bivariable and multivariable logistic regression analysis of factors associated with intestinal parasitic infections among food handlers working at Woldia University Student’s Cafeteria, Northeastern Ethiopia, 2019 (n = 256)

Sex

 Male

15 (16.3)

77 (83.7)

1

1

 Female

28 (17.1)

136 (82.9)

0.95 (0.48–1.88)

1.79 (0.62–5.18)

Age

 15–19

4 (30.8)

9 (69.2)

0.41 (0.11–1.47)

1.91 (0.40–9.09)

 20–24

18 (15.5)

98 (84.5)

1.00

1.00

 25–29

12 (16.9)

59 (83.1)

0.89 (0.40–1.99)

0.53 (0.06–5.10)

 30–34

5 (17.2)

24– (82.8)

0.84 (0.28–3.49)

1.31 (0.27–6.41)

 ≥ 35

4 (14.8)

23 (85.2)

1.04 (0.32–3.38)

1.71 (0.24–12.22)

Hand washing after toilet with a soap

 Yes

14 (7.6)

169 (82.4)

1

1

 No

29 (39.7)

44 (60.3)

7.96 (3.87–16.32)

3.24 (1.28–8.19)*

Hand washing before eating food with a soap

 Yes

17 (8.6)

182 (81.4)

1

1

 No

26 (45.6)

31 (54.4)

8.98 (4.37–18.45)

4.03 (1.64–9.91)**

Fingernail trimming

 Yes

22 (10.7)

183 (89.3)

1

1

 No

21 (41.2)

30 (58.8)

3.76 (1.88–7.51)

3.11 (1.14–8.67)***

Use of apron when handling food

 Yes

37 (17.7)

172 (82.3)

1

1

 No

6 (12.8)

41 (87.2)

0.68 (0.27–1.72)

0.37 (0.09–1.50)

Use of hair cover during work of food handlers

 Yes

38 (16.5)

192 (83.5)

1

1

 No

5 (19.2)

21 (80.8)

1.20 (0.43–3.34)

0.70 (0.17–2.81)

Year of service

 < 1 year

9 (18.7)

39 (81.3)

0.90 (0.40–2.03)

0.29 (0.05–1.71)

 1–5 years

32 (17.6)

150 (82.4)

1

1

 6–10 years

2 (8.3)

24 (81.7)

2.54 (0.57–11.31)

0.54 (0.08–3.84)

Food safety training

 Yes

22 (10.6)

186 (89.4)

1

1

 No

21 (43.7)

27 (52.3)

6.57 (3.20–13.52)

6.58 (2.46–17.62)****

Medical checkup for IPs

 Yes

25 (11.8)

186 (88.2)

1

1

 No

18 (40.0)

27 (60.0)

3.06 (1.45–6.47)

2.41 (1.47–4.24)***

Having a license for food handling practice

 Yes

23 (11.1)

184 (88.9)

1

1

 No

20 (40.8)

29 (59.2)

5.52 (2.70–11.20)

6.13 (2.18–17.22)****

Took medication

 Yes

16 (27.6)

42 (72.4)

1

1

 No

27 (13.6)

171 (86.4)

2.41 (1.19–4.89)

0.51 (0.18–1.39)