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目的探讨影响中山市男男性行为者(MSM)前瞻性队列随访的因素。方法利用自愿咨询检测门诊,在MSM中建立前瞻性队列,一年后比较随访组与失访组间人口学、性行为学等方面的差异,探求影响随访的相关因素。结果 2013年4-8月,招募370名MSM,1年后随访119人,随访率32.2%。多因素Logistic回归分析显示,性取向确定者其随访率较高[比值比(OR)=4.369,95%可信区间(CI):1.248~15.292];与在男男肛交中偏好插入者相比,肛交中偏好被插入者的随访率较高(OR=2.474,95%CI:1.357~4.510);了解性伴艾滋病病毒(HIV)感染情况者的随访率比不了解者高(OR=1.753,95%CI:1.028~2.988);同性临时性伴为2个(OR=2.317,95%CI:1.339~4.009)或3个及以上者(OR=2.844,95%CI:1.504~5.378)更容易实现随访;近一年接受过HIV检测者的随访率较未接受者高(OR=2.159,95%CI:1.331~3.501)。结论自我认同好、心理稳定及风险意识高可能会促进MSM接受随访;而较少的检测干预及缺乏同伴鼓励可能不利于其接受随访。
Objective To investigate the factors influencing the follow-up of prospective cohorts of men who have sex with men (MSM) in Zhongshan. Methods Voluntary counseling and testing clinics were used to establish a prospective cohort in MSM. One year later, demographic characteristics and sexual behavior were compared between follow-up and follow-up groups to explore relevant factors influencing follow-up. Results From April to August 2013, 370 MSM were recruited and 119 were followed up one year later. The follow-up rate was 32.2%. Multivariate logistic regression analysis showed that follow-up rate was higher in those with definite sexual orientation [odds ratio (OR) = 4.369, 95% confidence interval (CI): 1.248-15.292]; compared with preferential intercourse among men and women (OR = 2.474, 95% CI: 1.357-4.510). The follow-up rate of those with HIV infection was higher than that without understanding (OR = 1.753, 95% CI: 1.028-2.988). It was easier to have same-sex temporary partners with OR = 2.317,95% CI: 1.339 ~ 4.009 or with 3 or more (OR = 2.844,95% CI: 1.504 ~ 5.378) The follow-up rate of those who received HIV testing in the recent year was higher than those who did not (OR = 2.159, 95% CI: 1.331-3.501). Conclusions Self-identification, psychological stability and high risk awareness may facilitate MSM follow-up. Fewer testing interventions and lack of peer encouragement may be detrimental to their follow-up.