Prior information in behavioral capture-recapture methods: demographic influences on drug injectors' propensity to be listed in data sources and their drug-related mortality.
نویسندگان
چکیده
The authors present findings from a Bayesian analysis of Scotland's four primary capture-recapture data sources for 2000 that was carried out to estimate numbers of current injecting drug users by region (Greater Glasgow vs. elsewhere in Scotland), sex (male vs. female), and age group (15-34 years vs. > or =35 years). A secondary goal of the analysis was to obtain Bayesian estimates and credible intervals for the demographic influences on Scotland's drug-related death rate per 100 current injectors. Incorporation of informative priors altered the models with highest posterior probability. Expert opinion on how demography influenced Scottish drug injectors' propensity to be listed in different data sources was taken into account, along with external information about European injectors' drug-related death rates and male:female ratios. Higher drug-related mortality was confirmed in older drug injectors and those outside of Greater Glasgow. Female injectors' lower drug-related death rate was not sustained beyond 34 years of age. The authors recommend that demographic influences be accommodated in behavioral capture-recapture estimation, especially when it is a prelude to secondary analysis, such as the analysis of drug-related death rates presented here.
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27 Hay G, Gannon M, MacDougall J, et al. Capture–recapture and anchored prevalence estimation of injecting drug users in England: national and regional estimates. Stat Methods Med Res 2009;18:323–39. 28 King R, Bird SM, Brooks SP, et al. Prior information in behavioral capture-recapture methods: demographic influences on drug injectors’ propensity to be listed in data sources and their drug-rel...
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عنوان ژورنال:
- American journal of epidemiology
دوره 162 7 شماره
صفحات -
تاریخ انتشار 2005