Moritz Sebastian Schönfeld|Stefanie Pfisterer-Heise|Corinna Bergelt
Self-reported health literacy and medication adherence in older adults: a systematic review
University Medical Center Hamburg-Eppendorf|Universität Hamburg|University Medical Center Hamburg-Eppendorf|Universität Hamburg|Greifswald University Hospital|University Medical Center Hamburg-Eppendorf|Universität Hamburg
objectives give overview associations selfreported health literacy medication adherence older adults design systematic literature review quantitative studies published english german data sources medline via pubmed cinahl cochrane library epistemonikos livivo searched eligibility criteria included studies examine associations selfreported health literacy medication adherence elderly samples including 66 60 years old use quantitative methodology written english german data extraction synthesis studies screened inclusion criteria two independent reviewers narrative synthesis applied analyse included studies thematically quality assessment conducted using nih quality assessment tool observational cohort crosssectional studies results found 2313 studies nine publications eight studies included review five studies reported majority participants limited health literacy one study reported majority participants adequate health literacy three publications two studies reported mean levels health literacy eight publications seven studies used selfreports measure medication adherence one study used medication possession ratio overall six publications five studies reported significantly positive associations health literacy medication adherence two studies reported positive nonsignificant associations constructs one study reported mixed results conclusion review associations selfreported health literacy medication adherence rather consistent indicating positive associations constructs older adults however concepts measures health literacy medication adherence applied included studies still show noteworthy amount heterogeneity eg different use cutoffs results reveal need differentiated research area prospero registration number crd42019141028