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Self-efficacy after bariatric surgery for obesity. A population-based cohort study
John A Batsis1, Matthew M Clark2, Karen Grothe2
1Section of General Internal Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA.
Appetite
|June 9, 2009
Summary
Bariatric surgery patients demonstrated higher eating self-efficacy compared to obese individuals who did not undergo surgery. Significant weight loss after bariatric procedures is linked to improved self-efficacy in managing eating behaviors.
Area of Science:
- Obesity and Bariatric Surgery
- Behavioral Science
- Psychology
Background:
- Eating behaviors are critical predictors of outcomes following bariatric surgery.
- Self-efficacy, the belief in one's ability to succeed, is a key factor in long-term behavior change.
- This study investigates eating self-efficacy in post-bariatric surgery patients compared to obese non-surgery controls.
Purpose of the Study:
- To compare eating self-efficacy between patients who underwent bariatric surgery and obese individuals who did not.
- To determine if weight loss achieved after bariatric surgery is associated with increased eating self-efficacy.
- To explore the relationship between self-efficacy, weight loss, and quality of life.
Main Methods:
- A population-based study involving patients evaluated for Roux-en-Y gastric bypass.
- Administration of the Weight Efficacy Lifestyle (WEL) Questionnaire to 148 surgical and 88 non-operative patients.
- Analysis using linear regression models to assess overall WEL scores and identify predictors of increased self-efficacy.
Main Results:
- Follow-up data were available at approximately 4 years post-evaluation for both groups.
- Bariatric surgery patients reported significantly higher overall WEL scores (25.5+/-5.3 points) compared to non-operative controls.
- A 25% weight change correlated with a 15.4-point difference in WEL scores, and self-efficacy strongly related to weight loss and quality of life (rho=0.36).
Conclusions:
- Significant weight loss following bariatric surgery is associated with enhanced eating self-efficacy.
- Increased self-efficacy in managing eating behaviors is a positive outcome observed in obese adults after bariatric interventions.
- These findings highlight the psychological benefits of substantial weight reduction achieved through bariatric surgery.
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