Digital Health Physical Activity Program for Older Family Care Partners of Patents With Heart Failure

Inclusion Criteria: Age greater than or equal to 60 years Involved in caring for a household member aged 60 years or older with the New York Heart Association Class II, III or IV HF Provide at least 10 hours/week of unpaid care for the past 6 months Physically able to engage in structured exercise such as walking, and upper body resistance exercises Engage in < 30 min of moderate-intensity exercise on fewer than 3 days per week over the past 6 months Able to read, speak, and comprehend 5th grade English Own a smartphone Reachable by telephone, text messaging, and email Exclusion Criteria: Medical or functional conditions precluding participation in the physical activity (PA) components of the intervention (e.g., inability to walk one block or climb stairs without chest pain, shortness of breath, dizziness; history of falls; or serious or unstable cardiovascular or pulmonary disease) Cognitive impairment (Telephone Interview for Cognitive Status [TICS]52 score < 25) Inability to use technology Participation in a PA intervention in the previous 6 months Current participation in a PA or behavior change trial