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Updated: Mar 8, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
Published on: May 30, 2025
Using Intervention Mapping to develop the Parents as Agents of Change (PAC©) intervention for managing pediatric
Geoff D C Ball1, Aislin R Mushquash2,3, Rachel A Keaschuk4
1Department of Pediatrics, University of Alberta, Room 4-515, Edmonton Clinic Health Academy, 11405-87th Ave, Edmonton, AB, T6G 1C9, Canada. gdball@ualberta.ca.
Insights
A new parent-based weight management program, Parents as Agents of Change (PAC), was developed using Intervention Mapping to address pediatric obesity. This evidence-based intervention is designed for parents of children aged 8-12 with obesity.
Area of Science:
- Pediatric Health
- Obesity Intervention
- Behavioral Science
Background:
- Pediatric obesity rates are rising, posing significant psychosocial and physical health risks.
- Children with obesity often become adults with obesity, necessitating early intervention.
- Evidence-based healthcare interventions are crucial for managing childhood obesity and promoting family well-being.
Purpose of the Study:
- To describe the development and implementation of a parent-based weight management intervention for children with obesity.
- To outline the planned evaluation of this novel intervention.
- To provide a model for developing and evaluating pediatric obesity interventions within healthcare settings.
Main Methods:
- Intervention Mapping (IM) framework guided the systematic development process.
- Data collection included environmental scans, qualitative interviews, quantitative medical record reviews, and literature reviews.
- Curriculum development integrated family systems theory and cognitive behavioral theory.
Main Results:
- The Parents as Agents of Change (PAC©) intervention was developed as a manualized, 16-session, group-based program.
- PAC addresses individual, family, and environmental factors influencing pediatric obesity management.
- The intervention was refined based on expert feedback and successfully implemented in a children's hospital weight management center.
Conclusions:
- Intervention Mapping provided a practical framework for systematic intervention development.
- The PAC intervention offers a theory- and evidence-based approach to pediatric weight management.
- The PAC intervention was subsequently evaluated in a randomized clinical trial (NCT01267097).
Background:
Pediatric obesity has become increasingly prevalent over recent decades. In view of the psychosocial and physical health risks, and the high likelihood that children with obesity will grow to become adults with obesity, there is a clear need to develop evidence-based interventions that can be delivered in the health care system to optimize the health and well-being of children with obesity and their families. The aim of this paper is to describe the development, implementation, and planned evaluation of a parent-based weight management intervention designed for parents of 8-12 year olds with obesity.
Methods/Results:
The principles of Intervention Mapping (IM) were used to develop an intervention called Parents as Agents of Change (PAC©). From 2006 to 2009, an environmental scan plus qualitative (individual interviews with parents and children), quantitative (medical record reviews), and literature review data were collected to gain broad insight into family factors related to pediatric obesity and its management. Theoretical frameworks and empirical evidence guided curriculum development, which was founded primarily on the tenets of family systems theory and cognitive behavioral theory. PAC was developed as a manualized, 16-session, group-based, health care professional-led intervention for parents to address individual, family, and environmental factors related to the management of pediatric obesity. The intervention was refined based on feedback from local and international experts, and has been implemented successfully in a multi-disciplinary weight management centre in a children's hospital.
Conclusion:
IM provided a practical framework to guide the systematic development of a pediatric weight management intervention for parents of children with obesity. This logical, step-by-step process blends theory and practice and is broadly applicable in the context of obesity management intervention development and evaluation. Following intervention development, the PAC intervention was evaluated within a randomized clinical trial. Trial registration NCT01267097; clinicaltrials.gov.
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