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Area of Science:

  • Cardiology
  • Behavioral Science
  • Digital Health

Background:

  • Sedentary behavior is a significant risk factor for cardiovascular disease (CVD).
  • CVD patients exhibit high rates of sedentary behavior.
  • Existing interventions for sedentary behavior in CVD patients are limited.

Purpose of the Study:

  • To describe the protocol for a randomized controlled trial (RCT) of a novel multi-technology intervention to reduce sedentary behavior in CVD patients.
  • To assess the feasibility and acceptability of the intervention.
  • To evaluate the primary efficacy of the intervention in reducing sedentary behavior.

Main Methods:

  • A parallel, two-group pilot RCT involving 70 CVD patients.
  • Intervention group: 12-week "Sit Less" program with goal-setting, Fitbit, smart water bottle, and text messages.
  • Control group: Received American Heart Association "Answers by Heart" fact sheets.

Main Results:

  • The study will assess the feasibility and acceptability of the "Sit Less" program.
  • Primary efficacy will be measured by changes in sedentary behavior using the activPAL activity tracker.
  • Secondary outcomes include physical activity, cardiometabolic biomarkers, and patient-centered outcomes.

Conclusions:

  • The "Sit Less" program utilizes mobile and wearable technology to target sedentary behavior in high-risk CVD patients.
  • Findings are expected to inform the dissemination of effective interventions for this population.