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目的了解珠海市实体活动场所和虚拟活动场所男男性行为者(MSM)的人群规模,为制定艾滋病干预措施提供依据。方法利用单样本人群规模估计法(LMS法)和捕获-再捕获法估计珠海市实体场所和虚拟场所的MSM人群规模。结果利用LMS法估计珠海市实体场所MSM的人群规模为5 767人(3 718~8 053人),虚拟场所为18 734人(16 925~20 541人),校正结果为14 753人(13 328~16 176人)。利用捕获-再捕获法估计MSM的人群规模为17 089人(10 742~23 436人)。结论珠海市MSM规模较大,虚拟场所的MSM人数远高于实体场所。应重视在互联网等虚拟场所实施有针对性的艾滋病防制策略。
Objective To understand the population size of MSM in Zhuhai physical activity venues and virtual venues, and to provide the basis for the development of AIDS interventions. Methods The size of MSM population in Zhuhai entities and virtual sites was estimated using LMS method and capture-recapture method. Results The population size of MSM in Zhuhai entity site was estimated to be 5 767 (3 718 ~ 8 053), 18 734 (16 925 ~ 20 541) and 14 753 (13 328 ~ 16,176). The population size of MSM estimated by capture-recapture method is 17 089 (10 742-23 436). Conclusion The scale of MSM in Zhuhai is large, and the number of MSM in virtual places is much higher than that of physical places. Attention should be paid to the implementation of targeted AIDS prevention and control strategies in virtual places such as the Internet.