Seroprevalence and Risk Factors for Hepatitis B Virus Infection in Adolescent Blood Donors within Selected Counties of Western Kenya

Table 2

Risk factors associated with HBsAg among adolescent blood donors in Kisumu, Homa Bay, and Siaya counties.

Risk factor	Total donors ()	HBsAg (); Positive (%)	Bivariate OR (95% CI)	Multivariate OR (95% CI)	value
High-risk sex behavior	31 (3.1%)	6 (19.4%)	8.066 (3.067-21.214)	8.533 (3.128-23.275)	0.001
Scarification	38 (3.8%)	5 (13.2%)	4.875 (1.774-13.392)	5.471 (1.925-15.547)	0.002
History of injury	21 (2.1%)	3 (14.3%)	5.097 (1.46-18.213)	2.912 (0.736-11.523)	0.128
Intravenous drug use	15 (1.5%)	1 (6.7%)	2.061 (0.263-16.139)	1.256 (0.147-10.750)	0.835