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The My Diabetes Care Patient Portal Intervention: Usability and Pre-Post Assessment
William Martinez1, Amber J Hackstadt2, Gerald B Hickson3
1Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States.
Applied Clinical Informatics
|June 30, 2021
Summary
My Diabetes Care (MDC) is a patient portal improving diabetes self-management. Patients found MDC highly usable, with features enhancing data understanding and increasing patient activation, suggesting its value for diabetes care.
Area of Science:
- Digital health interventions
- Diabetes self-management
- Health informatics
Background:
- My Diabetes Care (MDC) is a patient portal intervention designed to improve understanding of diabetes health data and support self-management.
- MDC utilizes infographics, motivational strategies, and literacy-appropriate educational resources.
Purpose of the Study:
- To assess the usability, acceptability, perceptions, and potential impact of the My Diabetes Care (MDC) patient portal.
- Evaluate MDC's effectiveness across diverse patient populations, including those with limited health literacy.
Main Methods:
- Recruited 69 participants from four clinics affiliated with Vanderbilt University Medical Center.
- Participants received one month of access to MDC, completing pre- and post-questionnaires measuring usability and patient activation.
Main Results:
- Sixty participants completed the study; 48% had limited health literacy.
- Participants rated MDC usability above average (median SUS score 78.8), with similar scores for limited and adequate health literacy groups.
- Key features improving data understanding included literacy-appropriate educational links and infographics (65%). Patient Activation Measure scores increased significantly (p=0.01).
Conclusions:
- My Diabetes Care (MDC) demonstrates above-average usability and is perceived positively by patients, including those with limited health literacy.
- MDC features effectively enhance diabetes health data comprehension and contribute to improved patient activation.
- The findings suggest MDC is a potentially valuable addition to existing patient portals for diabetes care.
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