Predictors of first and second dose acceptance of hepatitis B vaccine among STD clinic patients

Abstract

Our goal was to identify attitudinal, behavioural and pragmatic factors predictive of receipt of the first and second doses of hepatitis B virus (HBV) vaccine. In this study, 431 adult sexually transmitted disease clinic patients with no reported history of prior HBV vaccination or infection completed a computer-assisted questionnaire, then were offered free HBV vaccine. Those who accepted were scheduled for follow-up doses. Twenty-nine percent received the first dose of vaccine. Of these individuals, 21% returned for the second dose. Seven participants received all three doses. Health beliefs and caring for three or more children predicted first dose acceptance. Less travel time to the clinic and caring for two or fewer children predicted return for the second dose. HBV vaccination rates were low in this study. Interventions designed to modify health beliefs may increase first dose uptake. Increases in receipt of subsequent vaccine doses might best be accomplished through approaches designed to decrease pragmatic barriers to vaccine access.

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