Counting hard-to-count populations: the network scale-up method for public health.

Counting hard-to-count populations: the network scale-up method for public health.
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DOI:
10.1136/sti.2010.044446
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发表时间:
2010-12
影响因子:
3.6
通讯作者:
Stroup DF
Stroup DF
中科院分区:
医学2区
文献类型:
--
作者:
Bernard HR;Hallett T;Iovita A;Johnsen EC;Lyerla R;McCarty C;Mahy M;Salganik MJ;Saliuk T;Scutelniciuc O;Shelley GA;Sirinirund P;Weir S;Stroup DF

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估计隐藏或难以接触的人群的规模是公共卫生中的一个重要问题。例如,在设计、评价和分配治疗和预防方案的资金时,需要估计艾滋病毒和艾滋病高危人群的规模。一个有前途的方法来估计规模,相对较新的公共卫生,是网络规模扩大的方法(NSUM),包括两个步骤:估计个人网络规模的随机样本的总人口的成员,并与此信息,估计总人口的一个隐藏的子群体的成员数量。我们描述了该方法,包括估计个人网络规模的两种方法(总和和已知群体)。我们讨论了每种方法的优点和缺点,并提供了NSUM在公共卫生领域的国际应用的例子。最后,我们对未来的研究和评估提出了建议。
Estimating sizes of hidden or hard-to-reach populations is an important problem in public health. For example, estimates of the sizes of populations at highest risk for HIV and AIDS are needed for designing, evaluating and allocating funding for treatment and prevention programmes. A promising approach to size estimation, relatively new to public health, is the network scale-up method (NSUM), involving two steps: estimating the personal network size of the members of a random sample of a total population and, with this information, estimating the number of members of a hidden subpopulation of the total population. We describe the method, including two approaches to estimating personal network sizes (summation and known population). We discuss the strengths and weaknesses of each approach and provide examples of international applications of the NSUM in public health. We conclude with recommendations for future research and evaluation.
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