Marcadores sorológicos da hepatite B em usuários de um Centro de Testagem para o HIV

the objective of this investigation was to study the prevalence of serological markers of hepatitis b and possible risk factors for this disease in a sample of 404 people who attended a testing and couseling center for hiv in the city of ribeir？o preto, s？o paulo state, brazil. the overall prevalence of serologic hepatitis b markers was 14.6%, equal to that obtained for anti-hbc. hbsag and anti-hbc igm showed prevalences of 1%. after adjustment using logistic regression, hepatitis b markers showed association with the following variables: age, place of residence, use of injectable drugs and positivity to anti-hiv. the overall prevalence of human immunodeficiency virus infection was 6.9%. hepatitis b markers were detected in 55.6% among intravenous drug users and in 42.9% among those who tested positive for hiv, confirming literature findings which indicates high levels of infection in these specific population groups.