Abstract: The emerging evidence suggests that self-care assisted by smartphone applications provides an opportunity to reduce re-hospitalization and improve quality of life for heart failure patients. But rates of persistent use and user engagement are still low. Systematic mHealth usability assessments has been insufficient. We developed a novel mobile phone app with a virtual-human assistant through a user centric design and conducted a systematic usability assessment to improve its acceptance and later adoption.

Describe the new knowledge and additional skills the participant will gain after attending your presentation.: 1. The study provides a good example of involving user engagement as an important dimension in a usability assessment.
2. The usability testing model in this study can be translational and adapted to other health management programs through a disease-specific customization with the involvement of patients and key stakeholders.
3. The study can contribute to the establishment of a standardized, systematic mHealth usability assessment for heart failure patients to improve methodological consistency and make it possible to compare findings across different mHealth application evaluations.


Lingling Zhang (Presenter)
University of Massachusetts Boston

Matias Volonte, Clemson University
Sabarish Babu, Clemson University