Usability testing of a Web-based solution for the collection of electronic patient-reported outcomes in people living with HIV in Nouvelle Aquitaine, France (Preprint)
BACKGROUND Collecting patient-reported outcomes can be of great value for both research and chronic diseases management. We endeavoured to develop a new facet of the ANRS CO3 Aquitaine cohort study’s web-based data capture and visualization system (APPEGE ® 2.0) for the collection of electronic patient-reported outcomes in people living with HIV care for in Aquitaine, France. OBJECTIVE Given the novelty of the proposed data collection method for our setting and specific characteristics of the target population, we sought to evaluate the initial usability of a prototype of an electronic patient-reported outcomes (ePRO) information system (ARPEGE® 2.0). METHODS Two successive rounds of empirical, task-based, usability testing were conducted, involving eight “experts” and then six people living with HIV. Evaluators provided written feedback during round 1 and oral feedback during round 2. Evaluators who completed the full set of tasks responded to the Systems Usability Scale. We assessed changes in SUS scores between rounds and concluded usability testing when SUS scores reached a ceiling effect, defining “good” usability a priori as a usability score of 70. RESULTS Insights were generated regarding the visibility of system status and the match between the system and the real world that improved the solution’s usability markedly. Experts reported mean SUS scores of 65 +- 18.87 and patients reported mean SUS scores of 85 +- 5.4 (p=0.032). CONCLUSIONS Software modifications, informed by successive rounds of usability testing, resulted in sufficient gains in usability to undertake piloting. Usability testing also prompted us to find the appropriate balance between optimal security and ease of use. CLINICALTRIAL https://clinicaltrials.gov/ct2/show/NCT03296202 (Archived by WebCite at http://www.webcitation.org/6zgOBArps)