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Developing the "Choosing Health" Digital Weight Loss and Maintenance Intervention: Intervention Mapping Study
Iga Palacz-Poborczyk1, Paulina Idziak1, Anna Januszewicz1
1Faculty of Psychology, SWPS University of Social Sciences and Humanities, Wroclaw, Poland.
Journal of Medical Internet Research
|October 18, 2022
Summary
A new digital program, Choosing Health, offers personalized support for weight management by identifying individual predictors of weight loss. This theory-based intervention uses tailored messages to help people with excess body weight achieve sustainable results.
Area of Science:
- Digital health interventions
- Behavior change science
- Obesity research
Background:
- Digital health promotion offers scalable solutions for self-management in individuals with excess body weight.
- However, accessible, personalized, and evidence-based digital solutions remain limited.
Purpose of the Study:
- To develop a digital behavior change program, "Choosing Health," for personalized weight loss and maintenance support.
- To identify modifiable predictors of weight outcomes for tailored intervention delivery.
Main Methods:
- The Intervention Mapping protocol was used for systematic, theory- and evidence-based program design.
- Stakeholder involvement (researchers, public, experts) informed intervention development through focus groups and interviews.
- The protocol involved six steps: problem/change models, intervention design/production, implementation, and evaluation plans.
Main Results:
- A tailored digital intervention, "Choosing Health," was developed.
- It provides personalized text messages and emails based on individual theoretical domains predicting weight outcomes.
- The intervention incorporates behavior change techniques for motivation, self-regulation, habit formation, and resource support.
Conclusions:
- The Intervention Mapping protocol facilitated systematic development and guided implementation/evaluation of the "Choosing Health" intervention.
- Stakeholder engagement enhanced the program's ecological validity, ensuring it is useful, user-friendly, and informative.
- Lessons learned from this development process can inform future digital health promotion programs.
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