Factors Associated with Characteristics of Commercial Sex Encounters among Men Who Have Sex with Men

Objective To study factors associated with characteristics of commercial sex encounters among men who have sex with men(MSM). Methods During July-November 2005,MSM were investigated to collect information on socio-demographic and high risk sexual behaviors. Results Of 526 MSM,10.6%(56/526)had commercial sex encounters in the past 6 months,of whom 98.2%(55/56)and 14.3%(8/56)had commercial sex encounters with men and women,respectively.39.3%(22/56)and 14.3%(8/56)bought sex from male and female sex partner(s),respectively.80.4%(45/56)and 10.7%(6/56)sold sex to male and female sexual partner(s),respectively.Multiple Logistic regression demonstrated that young age(OR,1.83;95%CI,1.01～3.33),poor education background(OR,2.72;95%CI,1.37～5.40),non Beijing resident(OR,2.75;95%CI,1.09～6.95)and2 male sexual partner(s)in past 6 months(OR,3.68;95%CI,1.75～7.71)were significantly associated with commercial sex encounters among MSM in past 6 months. Conclusion A considerable proportion of MSM are influenud by age,education,Beijing resident,number of sexual partner(s)and other factors,and intervention to this subgroup of MSM should be strengthened to control HIV transmission.