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Revista Española de Salud Pública
versão On-line ISSN 2173-9110versão impressa ISSN 1135-5727
Resumo
LORENZO ORTEGA, Rocío et al. Indirect methods to estimate hidden population. Rev. Esp. Salud Publica [online]. 2017, vol.91, e201710039. Epub 20-Out-2017. ISSN 2173-9110.
Estimating the prevalence of the so-called “hidden populations” can be challenging, because the identification of its members is difficult due to their socially sanctionable or illegal behaviors. This article provides a critical review of the most widely used methods for estimating the size of a hard-to-reach population. All are indirect methods, based on incomplete data sources. Depending on the available data, one method can be more appropriate than another. Besides, each method must fulfill a number of requirements, and each one may be subject to specific risk of bias. To choose the most suitable method, an accurate evaluation of the available data is necessary, and. if possible several methods should be used simultaneously to be able to compare the results and to critically evaluate if these results fit with the reality.
Palavras-chave : Vulnerable Populations; Epidemiologic Study Characteristics as Topic; Epidemiological Monitoring; Data Collection.