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A Physical Activity and Diet Just-in-Time Adaptive Intervention to Reduce Blood Pressure: The myBPmyLife Study
Jessica R Golbus1,2, V Swetha E Jeganathan1, Rachel Stevens1
1Division of Cardiovascular Medicine, Department of Internal Medicine University of Michigan Ann Arbor MI USA.
Journal of the American Heart Association
|January 16, 2024
Summary
The myBPmyLife study uses a mobile app for personalized hypertension self-management, adapting interventions based on user data to improve blood pressure control.
Area of Science:
- Mobile health interventions
- Cardiovascular disease management
- Digital health technology
Background:
- Hypertension self-management can be improved with mobile health interventions.
- Existing interventions often lack personalization due to limited use of contextual data.
- The myBPmyLife study addresses this gap with a just-in-time adaptive intervention (JITAI).
Purpose of the Study:
- To evaluate the effectiveness of a JITAI delivered via a mobile application for hypertension self-management.
- To personalize interventions for physical activity and dietary sodium intake.
- To assess the impact on systolic blood pressure in a diverse patient population.
Main Methods:
- A 6-month prospective, randomized-controlled trial.
- Participants received either a JITAI mobile app or usual care.
- Intervention focused on physical activity, lower-sodium food choices, and goal setting.
- Primary endpoint: change in systolic blood pressure.
Main Results:
- The study enrolled 484 participants, with enrollment completed July 3, 2023.
- Results are anticipated in spring 2024 following 6-month follow-up.
- Exploratory analyses will examine notification impact on activity and diet.
Conclusions:
- The myBPmyLife study represents an innovative approach to hypertension management.
- It tests a JITAI's efficacy in improving physical activity and reducing sodium intake.
- The findings aim to inform personalized mobile health strategies for blood pressure control.
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