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- Title
Characterising user engagement with mHealth for chronic disease self-management and impact on machine learning performance.
- Authors
Duckworth, Christopher; Cliffe, Bethany; Pickering, Brian; Ainsworth, Ben; Blythin, Alison; Kirk, Adam; Wilkinson, Thomas M. A.; Boniface, Michael J.
- Abstract
Mobile Health (mHealth) has the potential to be transformative in the management of chronic conditions. Machine learning can leverage self-reported data collected with apps to predict periods of increased health risk, alert users, and signpost interventions. Despite this, mHealth must balance the treatment burden of frequent self-reporting and predictive performance and safety. Here we report how user engagement with a widely used and clinically validated mHealth app, myCOPD (designed for the self-management of Chronic Obstructive Pulmonary Disease), directly impacts the performance of a machine learning model predicting an acute worsening of condition (i.e., exacerbations). We classify how users typically engage with myCOPD, finding that 60.3% of users engage frequently, however, less frequent users can show transitional engagement (18.4%), becoming more engaged immediately (< 21 days) before exacerbating. Machine learning performed better for users who engaged the most, however, this performance decrease can be mostly offset for less frequent users who engage more near exacerbation. We conduct interviews and focus groups with myCOPD users, highlighting digital diaries and disease acuity as key factors for engagement. Users of mHealth can feel overburdened when self-reporting data necessary for predictive modelling and confidence of recognising exacerbations is a significant barrier to accurate self-reported data. We demonstrate that users of mHealth should be encouraged to engage when they notice changes to their condition (rather than clinically defined symptoms) to achieve data that is still predictive for machine learning, while reducing the likelihood of disengagement through desensitisation.
- Subjects
MOBILE apps; SELF-evaluation; DISEASE exacerbation; STATISTICAL models; SELF-management (Psychology); QUALITATIVE research; FOCUS groups; INTERVIEWING; QUESTIONNAIRES; RETROSPECTIVE studies; DESCRIPTIVE statistics; POCKET computers; TELEMEDICINE; CHRONIC diseases; RESEARCH methodology; DIARY (Literary form); MACHINE learning; PATIENT participation
- Publication
NPJ Digital Medicine, 2024, Vol 7, Issue 1, p1
- ISSN
2398-6352
- Publication type
Article
- DOI
10.1038/s41746-024-01063-2