William Martínez|Anthony L. Threatt|S. Trent Rosenbloom|Kenneth A. Wallston|Gerald B. Hickson|Tom A. Elasy
A Patient-Facing Diabetes Dashboard Embedded in a Patient Web Portal: Design Sprint and Usability Testing
Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University Medical Center|Vanderbilt University|Vanderbilt University Medical Center|Vanderbilt University Medical Center
health apps webbased interventions designed patients diabetes offer novel scalable approaches engage patients improve outcomes however careful attention design usability apps webbased interventions essential reduce barriers engagement maximize usethe aim study apply design sprint methodology paired mixedmethods taskbased usability testing design evaluate innovative patientfacing diabetes dashboard embedded existing patient portal integrated electronic health recordwe applied 5day design sprint methodology developed google ventures alphabet inc mountain view ca create initial dashboard prototype identified recommended strategies literature using patientfacing technologies enhance patient activation designed dashboard functionality match strategy conducted mixedmethods taskbased usability assessment dashboard prototypes individual patients measures included validated metrics task performance 5 common standardized tasks semistructured interviews validated usability satisfaction questionnaire round usability testing revised dashboard prototype response usability findings next round testing majority participants successfully completed tasks expressed high satisfaction identified new usability concerns ie stop criterion metthe sample n14 comprised 5 patients round 1 3 patients round 2 6 patients round 3 point reached stop criterion participants mean age 63 years range 4578 years 57 814 female 50 714 white design sprint yielded initial patientfacing diabetes dashboard prototype displayed summarized 5 measures patients diabetes health status eg hemoglobin a1c dashboard used graphics visualize summarize health data reinforce understanding incorporated motivational strategies eg social comparisons gamification provided educational resources securemessaging capability 80 participants able successfully complete 5 tasks using final prototype interviews revealed usability concerns design efficiency use content terminology led improvements overall satisfaction 0worst 7best improved initial final prototype mean 58 sd 04 vs mean 67 sd 05our results demonstrate utility design sprint methodology paired mixedmethods taskbased usability testing efficiently effectively design patientfacing webbased diabetes dashboard satisfying patients use