Circumcision and risk of sexually transmissible infections in a community-based cohort of HIV-negative homosexual men in Sydney, Australia.

Background: Circumcision status was examined as an independent risk factor for sexually transmissible infections (STIs) in the Health in Men cohort of homosexual men in Sydney.

Methods: From 2001 through 2004, 1427 initially human immunodeficiency virus (HIV)-negative men were enrolled and followed up until mid-2007. All participants were offered annual STI testing.

Prevalence, incidence and risk factors for pharyngeal gonorrhoea in a community-based HIV-negative cohort of homosexual men in Sydney, Australia.

Background: Pharyngeal gonorrhoea is common in homosexual men and may be important in maintaining community prevalence of anogenital infections.

Methods: From 2003, all participants in the Health in Men cohort of HIV-negative homosexual men in Sydney were offered annual pharyngeal gonorrhoea screening by BD ProbeTec nucleic acid amplification (NAAT) assay with supplementary porA testing. Participants self-reported diagnoses of pharyngeal gonorrhoea made elsewhere between interviews.

Trend in HIV incidence in a cohort of homosexual men in Sydney: data from the Health in Men Study.

Objectives: To determine the incidence of HIV seroconversion in a community-based cohort of homosexual men in Sydney from 2002 to 2006.

Methods: Participants were recruited between 2001 and 2004 from community-based events and venues. They were tested for HIV annually at follow-up interviews.