Table 2.

Bivariate regression analysis of risk factors association with hepatitis virus infection among military patients at Bahir Dar armed force general hospital, 2015

Variables	Viral hepatitis		COR (95 % CI)	P value
	Positive n	Negative n
Sex
Female	2	39	1
Male	16	346	0.902 (0.20–4.10)	0.89
Age
20–29	3	157	1
30–39	6	166	1.89 (0.47–7.69)
≥40	9	62	7.59 (1.99–28.99)	0.003
Current residence
Urban	13	306	1
Rural	5	79	1.49 (0.52–4.30)	0.461
Educational status
Up to 12	12	197	1
College and above	6	188	0.52 (0.19–1.42)	0.205
Religion
Orthodox	15	310	1
Muslim + others	3	75	0.83 (0.23–2.93)	0.768
Marital status
Single	5	183	1
Married	13	202	2.35 (0.82–6.74)	0.11
Work experience
<10	5	173	1
10–20	11	173	2.20 (0.75–6.46)	0.152
>20	2	39	1.77 (0.33–9.49)	0.503
Hospitalization
No	11	257	1
Yes	7	128	1.28 (0.48–3.37)	0.621
Tattooing
No	13	321	1
Yes	5	64	1.93 (0.67–5.60)	0.227
Dental extraction
No	11	276	1
Yes	7	109	1.61(0.61–4.26)	0.337
Surgical history
No	14	350	1
Yes	4	35	2.86 (0.89–9.15)	0.077
Number of sexual partner
0	2	89	1
1	14	284	2.19 (0.49–9.84)	0.305
≥2	2	12	7.41 (0 .95–57.64)	0.055
Family history of liver disease
No	16	369	1
Yes	2	16	2.88 (0.61–13.62)	0.181
Ear piercing
No	15	326	1
Yes	3	59	0.91 (.25–3.22)	0.877
Nose piercing
No	16	376	1
Yes	2	8	5.85 (1.15–29.9)	0.033
STI
No	15	368	1
Yes	3	17	4.33 (1.14–16.39)	0.031
War related injury
No	15	326	1
Yes	3	59	0.91 (.25–3.22)	0.877

0 no sexual partner, 1 one sexual partner, ≥2 sexual partner two and above

COR crude odds ratio, CI confidence interval, STI sexually transmitted infection