[Analysis of the usage of post-exposure prophylaxis and related factors among men who have sex with men].

A survey was conduct to analyze the usage situation of post-exposure prophylaxis(PEP) and related factors among men who have sex with men(MSM) in 6 cities of Shandong Province. Total of 2 620 subjects, the use ratio was 2.98% (78/2 620). Compared with age≤24 years,monthly income<5 000 yuan,non-commercial sex, non-DU,non-STD,role for being insert in the anal intercourse,MSM was more likely to use PEP with age≥45 years( OR =3.87, 95% CI :1.12-13.36),monthly income≥5 000 yuan( OR =1.87, 95% CI :1.07-3.28),commercial sex ( OR =3.13, 95% CI :1.56-6.28), drug users (DUs) ( OR =4.63, 95% CI :2.51-8.52),STD patient ( OR =2.35,95% CI :1.05-5.27),the mixed sex role group( OR =2.25,95% CI :1.10-4.62).