Journal
INTERNATIONAL JOURNAL OF MEDICAL INFORMATICS
Volume 104, Issue -, Pages 56-64Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijmedinf.2017.05.004
Keywords
User-centered design; Clinical decision support; Human factors; Usability
Categories
Funding
- NIH/National Center for Advancing Translational Science (NCATS) UCLA CTSI [TL1TR000121]
- VA Office of Quality and Performance, VA Health Services Research and Development MRC [05-093, IIR 09-082]
- Research Career Scientist Award [RCS 05-195]
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Background: A growing literature has demonstrated the ability of user-centered design to make clinical decision support systems more effective and easier to use. However, studies of user-centered design have rarely examined more than a handful of sites at a time, and have frequently neglected the implementation climate and organizational resources that influence clinical decision support. The inclusion of such factors was identified by a systematic review as the most important improvement that can be made in health IT evaluations. Objectives: (1) Identify the prevalence of four user-centered design practices at United States Veterans Affairs (VA) primary care clinics and assess the perceived utility of clinical decision support at those clinics; (2) Evaluate the association between those user-centered design practices and the perceived utility of clinical decision support. Methods: We analyzed clinic-level survey data collected in 2006-2007 from 170 VA primary care clinics. We examined four user-centered design practices: 1) pilot testing, 2) provider satisfaction assessment, 3) formal usability assessment, and 4) analysis of impact on performance improvement. We used a regression model to evaluate the association between user-centered design practices and the perceived utility of clinical decision support, while accounting for other important factors at those clinics, including implementation climate, available resources, and structural characteristics. We also examined associations separately at community-based clinics and at hospital-based clinics. Results: User-centered design practices for clinical decision support varied across clinics: 74% conducted pilot testing, 62% conducted provider satisfaction assessment, 36% conducted a formal usability assessment, and 79% conducted an analysis of impact on performance improvement. Overall perceived utility of clinical decision support was high, with a mean rating of 4.17 (+/- .67) out of 5 on a composite measure. Analysis of impact on performance improvementwas the only user-centered design practice significantly associated with perceived utility of clinical decision support, b =. 47 (p < .001). This association was present in hospital-based clinics, b =. 34 (p < .05), but was stronger at community-based clinics, b =. 61 (p < .001). Conclusions: Our findings are highly supportive of the practice of analyzing the impact of clinical decision support on performance metrics. This was the most common user-centered design practice in our study, and was the practice associated with higher perceived utility of clinical decision support. This practice may be particularly helpful at community-based clinics, which are typically less connected to VA medical center resources.
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