Abstract
Introduction: The prevalence of Men having sex with men (MSM) is on the increase. Initiation and continuation of this behavior may have implications for HIV prevention and control most especially among youths. This study aimed at assessing sexual risk behaviours and determines consistency of condom use among men having sex with men in South-western Nigeria.
Methods: Descriptive cross sectional study among 82 Men having sex with men was carried out in South western Nigeria. Research instrument was semi structured self administered and pre tested questionnaires, and data analyzed using the SPSS soft wares
Results: Mean age of respondents was 25.5 (+1.6) years, seventy eight (95.1%) were singles by marital status, 50(61.0%) had up to tertiary education level while 52(63.4%) were students by occupation. Thirty six (43.9%) described themselves as having sex with men only while 44(53.7%) claimed that they were bi-sexual. Forty four (53.7%) became MSM through friends,72(87.8%) usually watch sex or pornographic films, 34(41.5%) takes alcohol, 12(14.6%) smokes cigarette, 36(43.9%) attends gay clubs activities regularly while 22(26.8%) had been separated from their families
Average age at initiation into MSM was 19.3(+1.2) years. Seventy two (87.8%) and 64(78.0%) had oral and anal sexual intercourse respectively. Thirty two (39.0%) often play active/penetrative roles, 54(65.9%) played passive roles, 62(75.6%) had more than one regular male sexual partner, 38(46.3%) had been involved in paid or commercial sex while 36(43.9%) of respondents have been involved in unplanned or casual sex.
Forty eight (58.4%) used a condom the last time they had sexual intercourse, 66(80.5%) claimed using condoms correctly while only 30(36.6%) used condoms consistently or all the time. About 18(22.0%) of respondents insists that their partner use a condom all the time. Forty eight (58.5%) of respondents would now want to be using condoms consistently. Eight (34.1%) had been treated for sexually transmitted infections while 44(53.7%) believed that they are at risk of contracting HIV/AIDs infection.
Conclusion: MSMs are sexually active. There is a need to improve awareness on the use of barrier method of contraception and encourage behavioural change towards safe sexual practices

Key words: Men having Sex with Men (MSM), Consistency, Condom use.