Factors associated with hepatitis B vaccination among men having sexual relations with men in Montreal, Quebec, Canada. Omega Study Group

To determine factors associated with hepatitis B virus (HBV) vaccination status among HIV-uninfected men who have affective and sexual relations with men (MASM) in Montreal, Quebec, Canada. The Omega Cohort is a study of the incidence and psychosocial determinants of HIV infection among MASM in Mont...

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Bibliographic Details
Published inSexually transmitted diseases Vol. 26; no. 6; p. 317
Main Authors Dufour, A, Remis, R S, Alary, M, Otis, J, Mâsse, B, Turmel, B, Vincelette, J, Lavoie, R, LeClerc, R, Parent, R
Format Journal Article
LanguageEnglish
Published United States 01.07.1999
Subjects
Adolescent
Adult
Aged
Cohort Studies
Hepatitis B - prevention & control
Hepatitis B - transmission
Hepatitis B Antibodies - blood
Hepatitis B Surface Antigens - blood
Hepatitis B Vaccines - administration & dosage
HIV Seronegativity
Homosexuality
Humans
Male
Middle Aged
Quebec
Risk Factors
Sexual Behavior
Sexual Partners
Vaccination
Quebec
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Summary:To determine factors associated with hepatitis B virus (HBV) vaccination status among HIV-uninfected men who have affective and sexual relations with men (MASM) in Montreal, Quebec, Canada. The Omega Cohort is a study of the incidence and psychosocial determinants of HIV infection among MASM in Montreal. Participants complete a questionnaire and are HIV-tested every 6 months. At baseline, we also performed testing for HBV markers and collected data on HBV vaccination history. Forty-six percent of 653 participants had received at least one dose of HBV vaccination, whereas 28% were completely vaccinated. Lack of vaccination was associated with injection drug use, having > or =20 regular lifetime partners, living outside Montreal, not having sex in bathhouses, and not having consulted a physician aware of the participant's sexual orientation. Among vaccinated MASM, incomplete vaccination was associated with having <20 lifetime casual partners, trading sex for drugs, having given goods for sex, having had unprotected anal sex with regular partners, and having no history of a previous sexually transmitted disease. A significant proportion of Montreal's MASM, some of whom are at risk of contracting HBV through sexual and parenteral transmission, have not been vaccinated for HBV. Men who have affective and sexual relations with men should be educated about the risk of HBV transmission and the seriousness of the disease.
ISSN:0148-5717