Julia C.M. van Weert|Monique C. Alblas|Liset van Dijk|Jesse Jansen
Preference for and understanding of graphs presenting health risk information. The role of age, health literacy, numeracy and graph literacy
University of Amsterdam|University of Amsterdam|University of Groningen|Netherlands Institute for Health Services Research|Maastricht University Medical Centre|University of Sydney
investigate 1 younger 65 older 65 adults preference understanding graph formats presenting risk information 2 contribution age health literacy numeracy graph literacy understanding information assess preferences participants n 219 65 n 22765 exposed storyboard presenting six types graphs understanding verbatim gist knowledge assessed experiment using 6 graphs clock bar sparkplug table pie vs pictograph 2 age younger 65 vs older 65 betweensubjects design participants preferred clock pie bar chart pie well understood younger older people clock older people bar fairly well understood groups table yielded high knowledge scores particularly older group lower age higher numeracy higher graph literacy contributed higher verbatim knowledge scores higher health literacy graph literacy associated higher gist knowledge although preferred format tables best understood older adults graph literacy skills essential verbatim gist understanding important take account developing risk information