PREVALENCE OF AND FACTORS ASSOCIATED WITH SELF-REPORTED HEPATITIS B VACCINATION AMONG HIV-NEGATIVE MSM PARTICIPATING IN AN ONLINE SEXUAL HEALTH SURVEY Public
Matthews, Jonathan E (2011)
Abstract
Objective: We evaluated the prevalence of self-reported
hepatitis B vaccination among HIV-
negative men who have sex with men (MSM) in the United States. We
also sought to describe
demographic and behavioral factors associated with vaccination. We
also sought to understand
why men who reported not being vaccinated against hepatitis B had
not been vaccinated.
Methods: Between October and December 2010, data were
collected in an online survey from
MSM over the age of 18 who reported being interested in men on the
social networking Internet
sites Facebook and Black Gay Chat. Bivariate analysis and
multivariate logistic regression were
employed to determine which factors were significantly associated
with self-reported receipt of
hepatitis B vaccination. Descriptive statistics were compiled to
characterize why some men
remained unvaccinated.
Results: Of 1,052 adult MSM who were HIV-negative or who did
not know their HIV status and
who reported knowing whether they had ever received a hepatitis B
vaccine, 679 (64.5%)
reported being vaccinated against hepatitis B. Multivariate
logistic regression modeling
indicated that older age, higher education attainment, having ever
been tested for hepatitis B, and
provider-recommended vaccination in the last year were
significantly associated with receipt of
vaccination. Nearly 90% of unvaccinated men reported not being
vaccinated because they were
never offered a vaccine for hepatitis B, were not aware that a
vaccine exists, or did not perceive
themselves to be at increased risk of infection.
Conclusions: A substantial proportion of hepatitis
B-negative MSM in the United States remain
unvaccinated against hepatitis B. Although provider-recommended
vaccination is strongly
associated with receipt of vaccination among these men, earlier
studies suggest that offering of
hepatitis vaccination is higher when providers know that male
patients have male sex partners,
and that only about half of MSM disclose their male sex partners to
providers. Providers should
ask men who they suspect engage in male-male sexual behavior to
share such behavior with
them, and then proceed to vaccinate all susceptible men. In
particular, healthcare providers and
health promotion specialists should focus their immunization
efforts toward older and more
socioeconomically disadvantaged MSM.
Table of Contents
Introduction..........................................................................................................................1
Methods...............................................................................................................................6 Results...............................................................................................................................12 Discussion...........................................................................................................................17 References..........................................................................................................................28About this Master's Thesis
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