尼日利亚男男性接触者中的艾滋病感染率和危险行为

In the current study, the authors set out to determine HIV and syphilis prevalence among men who have sex with men in Nigeria and to assess HIV-related risk behaviors and exposure to HIV prevention interventions among the MSM. The researchers' cross-sectional study used respondent-driving sampling conducted in Lagos, Kano, and Cross River states between July and September 2007.

The participants were 879 MSM, 293 from each state, with a median age of 22 years. No syphilis infections were found. HIV infection was diagnosed among the MSM as follows: in Cross River, eight men (1.1 percent, confidence interval 0.1 percent to 2.2 percent); in Kano, 27 men (9.3 percent, CI 5.7 percent to 15.4 percent); in Lagos, 74 men (17.4 percent, CI 12.3 percent to 23.2 percent).

The MSM reported an average of 4.2 male anal sex partners in the previous six months. Selling sex to other men was reported by 24.4 percent of participants in Lagos and 36 percent in Kano. Sex with a girlfriend was reported by 49.7 percent of the MSM, and at least 6.5 percent reported paying female sex workers for sex.

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