Key result
Currently available hypertension apps primarily focus on logging blood pressure and offering lifestyle advice, with little evidence that specific self-management features drive downloads or user ratings.
Why the study?
HBPM is an effective component of supported self-management that may be mediated by mobile apps, but the self-management features offered by available apps and their association with downloads and user ratings needed identification.
Cross-Sectional (n=151)
Currently available hypertension apps are limited in functionality, primarily offering BP logging, lifestyle advice, and basic information, highlighting a need for more comprehensive self-management support systems.
Clinicians should not yet endorse specific app features for hypertension; this novel analysis leaves open which elements drive meaningful user engagement.
Background: Home blood pressure monitoring (HBPM) is one component of effective supported self-management, which may potentially be mediated by mobile apps. Objective: The aim of this study was to identify the self-management features (HBPM and broader support strategies) offered by currently available apps and to determine the features associated with download frequency and user ratings. Methods: We searched Google Play store, Apple App store, National Health Services Apps Library and myhealthapps.net (first search on February 1, 2018; updated August 18, 2018). We included high blood pressure apps available in the United Kingdom and extracted their features, number of downloads, and the average users’ rating from the app stores. We mapped the features to the holistic Practical Reviews In Self-Management Support (PRISMS) taxonomy of self-management support. We employed a regression analysis to determine if any features were associated with download frequency or user rating. Results: We included 151 apps. The 3 most common features were as follows: monitoring blood pressure (BP) and charting logs; lifestyle (exercise or dietary) advice; and providing information about hypertension. The other 11 components of the PRISMS taxonomy were rarely featured. There was little evidence to support associations between specific features and the download statistics and rating scores, with only 2 uncommon features achieving borderline significant associations. The presence of social support features, such as a forum, was weakly but significantly (R2=.04, P=.02) correlated with the number of downloads. Apps designed specifically for particular BP monitors/smart watches were weakly associated with a higher rating score (R2=.05, P<.001). Apps with more ratings were associated with more downloads (R2=.91, P<.001). Conclusions: The functionality of currently available apps is limited to logging BP, offering lifestyle advice, and providing information about hypertension. Future app development should consider broadening the remit to produce a system that can respond flexibly to the diversity of support that enables people to self-manage their hypertension.
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Hui et al. (2019) conducted a cross-sectional in Hypertension (n=151). Hypertension mobile apps was evaluated on Association of app features with download frequency and user ratings. Currently available hypertension apps primarily focus on logging blood pressure and offering lifestyle advice, with little evidence that specific self-management features drive downloads or user ratings.
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