Study on HIV prevalence and Factors associated with HIV infection among Men who have sex with Men, Chiang Mai Province

Abstract

                This study is a cross sectional descriptive study of HIV prevalence and factors associated with HIV infection among Men who have sex with men (MSM) in Chiang Mai by analyzing the secondary data of MSM national surveillance program year2009.The total 700 samples consist of general MSM, male sex worker(MSW) and transgender(TG). The results show that MSM have variety of sexual orientation which are homosexual, bisexual and heterosexual. Among the heterosexual, most of them are MSW. The level of condom use is vary depend on the status and sexuality of their sexual partners. The condom use rate with male & it partners are 43.7% - 64.7% while the condom use rate with female is 16% -48.8%. The level of condom use with casual partners is higher than steady partners. 39.4% have been taken an HIV test and 68% believe that they are at low risk. The average HIV prevalence among total sample is 9.1%. Regarding sub group, the highest infected group is MSW (14%) whereas general MSM and TG infection rate are 7.5%and 6.9% in order. Factors associated to HIV infection are Drug abused experience, Sexually transmitted infection and High number of sexual partners(>4) in the past 3 months while risk assessment, AIDS knowledge level and condom use with casual sex are not associated .