|Appears in Collections:||Faculty of Health Sciences and Sport Conference Papers and Proceedings|
|Title:||Methodological perspectives for surveying rare and clustered population: towards a sequentially adaptive approach|
|Citation:||Andreis F, Furfaro E & Mecatti F (2018) Methodological perspectives for surveying rare and clustered population: towards a sequentially adaptive approach. In: Perna C, Pratesi M & Ruiz-Gazen A (eds.) Studies in Theoretical and Applied Statistics. SIS 2016. Springer Proceedings in Mathematics & Statistics, 227. 48th Scientific Meeting of the Italian Statistical Society, SIS 2016, Salerno, Italy, 08.06.2016-10.06.2016. Cham, Switzerland: Springer, pp. 15-24. https://doi.org/10.1007/978-3-319-73906-9_2|
|Series/Report no.:||Springer Proceedings in Mathematics & Statistics, 227|
|Conference Name:||48th Scientific Meeting of the Italian Statistical Society, SIS 2016|
|Conference Dates:||2016-06-08 - 2016-06-10|
|Conference Location:||Salerno, Italy|
|Abstract:||Sampling a rare and clustered trait in a finite population is challenging: traditional sampling designs usually require a large sample size in order to obtain reasonably accurate estimates, resulting in a considerable investment of resources in front of the detection of a small number of cases. A notable example is the case of WHO’s tuberculosis (TB) prevalence surveys, crucial for countries that bear a high TB burden, the prevalence of cases being still less than 1%. In the latest WHO guidelines, spatial patterns are not explicitly accounted for, with the risk of missing a large number of cases; moreover, cost and logistic constraints can pose further problems. After reviewing the methodology in use by WHO, the use of adaptive and sequential approaches is discussed as natural alternatives to improve over the limits of the current practice. A simulation study is presented to highlight possible advantages and limitations of these alternatives, and an integrated approach, combining both adaptive and sequential features in a single sampling strategy is advocated as a promising methodological perspective|
|Status:||VoR - Version of Record|
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