Epidemiology of human immunodeficiency virus-1 and hepatitis B virus co-infection and risk factors for acquiring these infections in the Fako division of Southwest Cameroon

Table 3 Demographic and sexual risk behaviour variables associated with HBV among adults in the Fako division of Southwest Cameroon (2011)

Variable	HBV positive n = 75	Crude OR (95 % CI)	Adjusted OR (95 % CI)
HIV
Negative	66	1.16 (0.55–2.42)	1.36 (0.64–2.88)
Positive	9
Socio-demographics
Sex
Male	43	0.47 (0.29–0.75)**	0.46 (0.28–0.75)**
Female	32
Age
≤ 32	45	0.72 (0.44–1.17)
> 32	30
Marital status
Ever married	28	1.65 (1.01–2.69)*	1.66 (1.01–2.73)*
Never married	47
Religion
Catholic
No	43	1.32 (0.81–2.14)	-
Yes	32
Protestant
No	46	0.96 (0.59–1.57)	-
Yes	29
Muslim
No	75	-	-
Yes	0
Other
No	61	0.76 (0.41–1.39)	-
Yes	14
Education
Low	17	1.44 (0.82–2.44)	-
High	56
Income
Low	35	0.80 (0.44–1.46)	-
High	17
Blood transfusion
No	69	1.06(0.44–2.55)	-
Yes	6
Sexual risk factors
Condom use
High	16	0.76 (0.42–1.37)	-
Low	54
Lifetime sexual partners
< 10	65	0.93(0.46–1.88)
≥ 10	10
Age at first sex
> 18	30	0.94 (0.58–1.54)	-
≤ 18	45

CI confidence interval; OR odd ratio
Please note that all reference categories are listed as the first category
Although the total sample is 75, one data point is missing from condom use and two data points are missing from education level and income level. Four data points were omitted from condom use because the participant had zero sexual partners, 21 data points were omitted from income level because the participant was a student or housewife
*indicates a p-value <0.05, **indicates a p-value <0.01

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