A total of 67.9%, 60.4% and 55.2% of the subjects received condoms, lubricant, and peer education, respectively. The proportions receiving STD checks, AIDS counseling, and infor-mational materials were 23.5%, 55.6%, and 63.4%, respectively. In univariate analyses, the following factors were found to be associated with UAI: receiving condoms, lubricant, and peer education, and receiving STD checks, AIDS counseling, and informational materials (p,0.05). The results of social service utilization were illustrated in Table 3.