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. 2025 Aug 25;27:e72589. doi: 10.2196/72589

Table 2. Intervention component themes, participant-derived requirements, and aligned Behavior Change Wheel intervention functions for a digital health self-care intervention for heart failure.

Intervention component theme Requirements derived from participants’ ideas Aligned BCWa intervention function
Education
  • Provide information about heart failure.

  • Provide information about self-care (eg, why you need to perform self-care activities and how to perform self-care activities).

  • Improve health literacy.

  • Provide training on problem-solving skills (eg, to respond to changes in symptoms or monitoring outputs).

  • Provide information about how the intervention is beneficial.

  • Provide staged information delivery over time.

Education, training, enablement, and persuasion
Monitoring and feedback
  • Monitor health (including physiological parameters and psychological status).

  • Monitor self-care behaviors.

  • Present data to the user, including that from medical investigations.

  • Analyze trends and alert user (and health care practitioner) to changes outside of specified ranges.

  • Provide feedback on health status changes.

Education, persuasion, environmental restructuring, and enablement
Social connection and support
  • Provide information about local groups relevant to heart failure and self-care activities.

  • Connect users with other people with heart failure in the local area (like LinkedIn).

  • Allow users to exchange stories and tips.

  • Enable users to contact family, friends, and health care providers.

  • Provide contact details for support.

Education, incentivization, environmental restructuring, and modeling
Psychological and emotional support
  • Provide tools for psychological well-being (including mindfulness).

  • Provide support to change habits.

  • Provide tools to address fear after diagnosis.

  • Provide tools to help maintain sense of identity beyond health condition.

Education, training, and enablement
Planning and preparing
  • Provide a detailed care plan.

  • Provide detailed instructions on how to perform self-care activities as they are being performed (eg, steps in taking medication).

  • Tailor daily schedule to exercise tolerance.

  • Remind the user to plan and perform self-care activities.

  • Provide a place to record notes (eg, what was consumed).

  • Provide access to a range of options along with decision-making support (eg, scan food for nutrition and database of common meals or foods).

  • Deliver professionally approved advice and programs.

  • Provide tools to train cognitive function (eg, memory games).

Education, training, environmental restructuring, and enablement
Health care support
  • Provide access to and communication with health care practitioners.

  • Provide changes to the care plan when required.

  • Support preparation for health care appointments (eg, notes and questions to cover in appointment).

  • Share information with health care practitioner in advance of appointments.

  • Support appointment booking.

  • Share and store visual information during remote consultations.

  • Provide information about different services and health care practitioners to support informed decision-making.

Education, environmental restructuring, and enablement
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BCW: Behavior Change Wheel.