Improving Blood Pressure Control Through the myBPmyLife mHealth Application

Inclusion Criteria:

• Self-reported history of hypertension and no hypertensive medication changes in thelast 4 weeks.
• A smartphone with a compatible Apple or Android operating system installed and able todownload and use the myBPmyLife app including accepting all permissions
• A valid email address
• Fluent in spoken and written English
• Signed written informed consent. (Note that each participant must be able to consentfor themselves.)

Exclusion Criteria:

• Contraindication to performing physical activity or following a sodium restrictiondiet. The participant must be able to walk and eat on their own without assistivedevices.
• Unstable symptoms or markedly elevated BP at enrollment (defined as systolic BP>180mmHg, diastolic BP>120 millimeters of mercury (mmHg))
• Known secondary causes of hypertension (e.g., adrenal insufficiency,pheochromocytoma), heart failure, or end-stage renal disease
• Difficulty using an upper arm blood pressure cuff due to biceps size or end-stagerenal disease or difficulty comfortably wearing a smartwatch
• Wrist too large to wear a smartwatch comfortably.
• Daily sodium intake less than 1500 mg/day as measured by the sodium screener
• Currently pregnant or planning to become pregnant in the next six months