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Apps to Support Self-Management for People With Hypertension: Content Analysis
Chi Yan Hui1, Emily Creamer2, Hilary Pinnock1
1Asthma UK Centre for Applied Research, Usher Institute of Population Health Sciences and Informatics, The University of Edinburgh, Edinburgh, United Kingdom.
Insights
Mobile apps for hypertension management primarily offer basic features like blood pressure logging and lifestyle advice. Enhanced features, such as social support, show weak correlations with downloads, indicating a need for broader app functionality.
Area of Science:
- Digital health interventions
- Mobile health (mHealth) applications
- Hypertension self-management
Background:
- Home blood pressure monitoring (HBPM) is crucial for effective supported self-management in hypertension.
- Mobile applications may play a role in mediating HBPM and broader self-management support.
Purpose of the Study:
- To identify self-management features in available mobile health apps for hypertension.
- To determine associations between app features, download frequency, and user ratings.
Main Methods:
- Searched major app stores and health libraries for UK-available high blood pressure apps.
- Extracted app features, download numbers, and user ratings.
- Mapped features to the PRISMS taxonomy and used regression analysis to assess associations.
Main Results:
- 151 apps were included, with common features including BP logging, lifestyle advice, and hypertension information.
- Most PRISMS taxonomy components were rarely featured.
- Social support features weakly correlated with downloads; BP monitor-specific apps showed weak association with higher ratings.
Conclusions:
- Current hypertension apps offer limited functionality, primarily focusing on BP logging and basic advice.
- Future app development should expand features to provide more comprehensive and flexible self-management support.
- Broader app functionalities are needed to cater to the diverse needs of individuals managing hypertension.
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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