网络规模迭加法及其在男男性接触者人群规模估计中的应用

男男性接触传播正逐渐成为中国艾滋病流行的重要途径之一,准确估算此高危人群基数对于控制艾滋病流行具有重要意义.男男性接触者隐匿性强、不易触及,而网络规模迭加法不同于需要针对目标人群进行抽样调查的传统方法,只需要针对全人群代表性抽样来进行调查,易于获得数据,在国外已被广泛应用,此文将就此方法作了详细介绍.

Estimation on the scale of men who have sex with men using the network scale-up method

Transmission of men who have sex with men( MSM)is one of the most important HIV/AIDS infected route, therefore, it is necessary to obtain accurate information estimating the numbers of MSM. The people of MSM are hidden in the society because of stigmatization, the number is hard to estimate. Network scale-up method, compared to other estimation methods, requiring representative samples of surveyed groups, is based on questionnaire survey of a statistically representative sample of the general population, and favorable for data acquisition. This method has spread abroad over the past years, In the article, this method of estimation is introduced in details.