Assessing polypharmacy in the older population: Comparison of a self‐reported and prescription based method

Last updated on 15-12-2021 by Brecht Devleesschauwer

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Peer reviewed scientific article



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Purpose To explore differences in the prevalence and determinants of polypharmacy in the older general population in Belgium between self-reported and prescription based estimates and assess the relative merits of each data source. Methods Data were used from participants aged ≥65 years of the Belgian national health survey 2013 (n = 1950). Detailed information was asked on the use of medicines in the past 24 h and linked with prescription data from the Belgian compulsory health insurance (BCHI). Agreement between polypharmacy (use or prescription ≥5 medicines) and excessive p…

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