Ruth Koops van ’t Jagt|John Hoeks|C.J.H. Jansen|Andrea F. de Winter|Sijmen A. Reijneveld
Comprehensibility of Health-Related Documents for Older Adults with Different Levels of Health Literacy: A Systematic Review
University of Groningen|University of Groningen|University of Groningen|University Medical Center Groningen|University of Groningen|University Medical Center Groningen|University of Groningen
systematic review conducted assess available evidence effectiveness interventions aiming improve comprehensibility healthrelated documents older adults 50 different levels health literacy seven databases searched 2005 forward references relevant reviews checked selection procedure conducted 2 independent reviewers data extraction assessment quality resulting studies conducted 1 reviewer checked accuracy 2nd reviewer total 38 intervention studies study population older adults n 35 made explicit comparison age groups including older adults n 3 inconsistent evidence found importance design features enhance comprehensibility healthrelated documents narratives multiplefeature revisions eg combining revisions textual visual characteristics included studies provide evidence may effective older adults using narrative formats andor multiplefeature revisions healthrelated documents seem promising strategies enhancing comprehensibility healthrelated documents older adults lack consistent evidence effective interventions stresses importance replication b use standardized research methodologies