title: Prevalence and risk factors of hepatitis C in HIV-negative homosexual men in Sydney, Australia.
abstract: OBJECTIVE
  To determine the prevalence and risk factors for hepatitis C (HCV) in HIV-negative homosexual men in Sydney.
  
  
  METHODS
  A cohort study was conducted in a sample of community-based, HIV-negative, homosexual men in Sydney. Participants underwent a face-to-face interview regarding sexual behaviour, sexually transmissible infections, and injecting drug use (IDU).
  
  
  RESULTS
  Eight hundred and twenty-four men consented to HCV testing, and the prevalence was 0.85% (95% CI 0.34-1.74). HCV seropositivity was strongly associated with a history of IDU (OR = 60.43, 95% CI 6.70-544.79). All HCV seropositive individuals reported a history of either IDU or other means by which they may have had parenteral exposure to HCV. There was no evidence of an independent association between sexual behaviour and HCV infection.
  
  
  CONCLUSIONS
  The prevalence of HCV in this cohort was about the same as in the general population in Australia, and there was no evidence for sexual transmission in this population.
authors.affiliation: National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Sydney. jjin@nchecr.unsw.edu.au
authors.forename: Fengyi
authors.initials: F
authors.lastname: Jin
authors.forename: Garrett P
authors.initials: GP
authors.lastname: Prestage
authors.forename: Susan C
authors.initials: SC
authors.lastname: Kippax
authors.forename: John M
authors.initials: JM
authors.lastname: Kaldor
authors.forename: Greg J
authors.initials: GJ
authors.lastname: Dore
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Grulich
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D015331:Cohort Studies; D006679:HIV Seropositivity; D006526:Hepatitis C / Q000453:epidemiology* / Q000209:etiology*; D018451:Homosexuality, Male; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D008875:Middle Aged; D009517:New South Wales / Q000453:epidemiology; D012307:Risk Factors