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Predictors of Mental Health Outcomes in a Multidisciplinary Weight Management Program for Class 3 Obesity
Ashley Lam1, Milan K Piya2,3, Nasim Foroughi2
1School of Psychology, Western Sydney University, Sydney, NSW 2560, Australia.
Weight loss programs improve mental health in adults with severe obesity. Lower eating disorder risk and reduced psychological distress correlate with better outcomes, suggesting psychological support is key.
Area of Science:
- Obesity research
- Clinical psychology
- Public health interventions
Background:
- Class 3 obesity (BMI ≥ 40 kg/m²)
- Weight management programs (WMP) are crucial for health
- Mental health impacts obesity outcomes
Purpose of the Study:
- Identify predictors of mental health improvement in WMP
- Analyze associations between weight loss and psychological outcomes
- Evaluate WMP effectiveness for severe obesity
Main Methods:
- Retrospective cohort study
- 115 adults with Class 3 obesity in an Australian WMP
- Validated questionnaires (EDE-QS, Kessler-10, SF-36) at baseline and 12 months
Main Results:
- Weight loss associated with improved EDE-QS, psychological distress, and mental health quality of life
- Weight loss alone did not predict most mental health improvements
- Lower baseline eating disorder risk linked to less distress and more weight loss
- Reduced psychological distress correlated with reduced binge eating
Conclusions:
- Obesity interventions should integrate psychological support components
- Targeting psychological factors alongside weight loss enhances outcomes for Class 3 obesity
- Further research needed to identify specific WMP elements driving psychological improvements
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