Factors associated with unprotected anal intercourse and age among men who have sex with men who are gay bar customers in Osaka, Japan

Jane Koerner, Satoshi Shiono, Seiichi Ichikawa, Noriyo Kaneko, Hiroyuki Tsuji, Toshio MacHi, Daisuke Goto, Tetsuro Onitsuka

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Background: HIV infections among men who have sex with men (MSM) are increasing in Japan. Method: An anonymous self-administered questionnaire among clients of a gay bar in Osaka was used to analyse the relationship between age and unprotected anal sex (UAI). Results: The highest rate of UAI was reported among those aged ≥45 (73.3%), followed by the ≤24 (60.7%), 25-34 (56.3%) and 35-44 (54.0%) age groups (P≤0.01). In multivariate analysis, UAI was related to sex with six or more sexual partners among those aged ≤24 (adjusted odds ratio (AOR), 4.88; confidence interval (CI), 1.21-19.74), bisexual identity (AOR, 2.47; CI, 1.06-5.76) and drug use (AOR, 0.49; CI, 0.26-0.93 for no drug use) in the 25-34 age group, and no lifetime HIV testing in the 3544 age group (AOR, 2.57; CI, 1.40-4.74). Condom purchasing and condom carrying were protective of UAI in 25-34, 35-44 and ≥45 age groups. Conclusion: Programs promoting condom use are needed for younger and older MSM.

Original languageEnglish
Pages (from-to)328-333
Number of pages6
JournalSexual Health
Volume9
Issue number4
DOIs
Publication statusPublished - 2012
Externally publishedYes

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