Prevalence and associated knowledge of hepatitis B infection among healthcare workers in Freetown, Sierra Leone

BMC Infectious Diseases

Table 4 Multivariable analysis of possible risk factors for current HBV infection

Variables	Category	Frequency	OR	95% CI for OR	P Value
Age	≥39y	6/112	0.337	0.116–0.980	0.046^*
Age	<39y	15/99	0.337	0.116–0.980	0.046^*
Gender	Male	10/108	1.304	0.471–3.609	0.609
Gender	Female	11/103	1.304	0.471–3.609	0.609
Working experience	≥9y	13/113	1.334	0.502–3.547	0.563
Working experience	<9y	8/98	1.334	0.502–3.547	0.563
Education background	Low	6/39	0.401	0.104–1.547	0.185
	Mid	14/166
	High	1/6
Occupation	Doctors	1/7	2.114	0.496–9.018	0.312
	Nurses	17/169
	Others	3/35
Vaccination	Yes	1/37	0.291	0.036–2.383	0.250
Vaccination	No	20/174	0.291	0.036–2.383	0.250
Sharps injury	Never	14/110	0.692	0.391–1.225	0.207
	Once	2/36
	More than once	5/65

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