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Research at St Andrews

Pharmaceutical pictograms for low-literate patients: understanding, risk of false confidence, and evidence-based design strategies

Research output: Contribution to journalArticle

Author(s)

Mara M. van Beusekom, Anne M. Land-Zandstra, Mark J.W. Bos, Jos M. van den Broek, Henk-Jan Guchelaar

School/Research organisations

Abstract

Objective: This study aims to (1) evaluate ten pharmaceutical pictograms for low-literate patients on understandability, (2) assess the risk of false confidence in understanding, and (3) identify how the design can be improved to increase understandability.

Methods: Interviews were conducted with n=197 pharmacy visitors in the Netherlands. Additional qualitative discussions were held with n=30 adequately and n=25 low-literate participants (assessed with REALM-D). Qualitative data were analysed using the Thematic Framework approach.

Results: Half of the pictograms reached 67% understanding (31.0%-98.5%); two did in the low-literate group. Three pictograms showed a risk for false confidence. Pictograms appeared to be most effective when people were familiar with their visual elements and messages.

Conclusion: Low-literate people have more difficulty understanding pictograms than people with adequate literacy. While the risk of false confidence is low, for critical safety information, 67% understanding might not be sufficient. Design strategies for pharmaceutical pictograms should focus on familiarity, simplicity, and showing the intake and effect of medicine.

Practice implications: Health professionals should go over the meaning of pictograms when providing drug information to patients to increase patients' familiarity with the message and to ensure that all pictograms are sufficiently understood.
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Details

Original languageEnglish
Pages (from-to)966-973
Number of pages8
JournalPatient Education and Counseling
Volume100
Issue number5
Early online date19 Dec 2016
DOIs
Publication statusPublished - May 2017

    Research areas

  • Adult, Audiovisual aids, Comprehension, Drug labeling/methods, Female

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