Merits of using color and shape differentiation to improve the speed and accuracy of drug strength identification on over-the-counter medicines by laypeople.

Abstract:

OBJECTIVE:This study aimed to examine the utility of using color and shape to differentiate drug strength information on over-the-counter medicine packages. Medication errors are an important threat to patient safety, and confusions between drug strengths are a significant source of medication error. METHOD:A visual search paradigm required laypeople to search for medicine packages of a particular strength from among distracter packages of different strengths, and measures of reaction time and error were recorded. RESULTS:Using color to differentiate drug strength information conferred an advantage on search times and accuracy. Shape differentiation did not improve search times and had only a weak effect on search accuracy. CONCLUSIONS:Using color to differentiate drug strength information improves drug strength identification performance. Color differentiation of drug strength information may be a useful way of reducing medication errors and improving patient safety.

journal_name

J Patient Saf

authors

Hellier E,Tucker M,Kenny N,Rowntree A,Edworthy J

doi

10.1097/pts.0b013e3181eee157

subject

Has Abstract

pub_date

2010-09-01 00:00:00

pages

158-64

issue

3

eissn

1549-8417

issn

1549-8425

journal_volume

6

pub_type

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