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Patterns of Emotional Eating Changes After Sleeve Gastrectomy
Caroline A Stiver1, A Janet Tomiyama1, Zachary N Weitzner2
1Department of Psychology, University of California, Los Angeles, Los Angeles, CA, USA.
Obesity Surgery
|July 23, 2026
Summary
Emotional eating significantly decreased in women after sleeve gastrectomy (SG), but not in men. Higher pre-operative emotional eating predicted greater weight loss one year post-SG.
Area of Science:
- Bariatric Surgery
- Obesity Medicine
- Behavioral Science
Background:
- Emotional eating is prevalent in metabolic and bariatric surgery (MBS) candidates.
- Changes in emotional eating post-sleeve gastrectomy (SG) and its effect on weight loss are not well understood.
- Sex differences in emotional eating after SG require further investigation.
Purpose of the Study:
- To investigate changes in emotional eating after SG.
- To assess the impact of these changes on short-term weight loss outcomes.
- To explore potential sex differences in emotional eating patterns post-SG.
Main Methods:
- A cohort of 122 patients undergoing SG was studied.
- Pre- and post-operative emotional eating scores were collected using the Coping subscale of the Palatable Eating Motives Scale.
- Patient demographics and weight loss data were analyzed.
Main Results:
- Emotional eating scores decreased significantly from pre-op (1.31±1.17) to one year post-SG (1.01±1.16) (p=.007).
- Women showed a significant decrease in emotional eating post-SG (1.44±1.17 to 1.05±1.13, p=.006), while men did not (0.90±1.10 to 0.86±1.27, p=.820).
- Higher baseline emotional eating scores predicted greater excess body weight loss one year after SG (p=.047).
Conclusions:
- Emotional eating reduced significantly in female patients one year after SG, but not in males.
- Pre-operative emotional eating levels were associated with greater weight loss post-surgery.
- Improvements in eating behaviors may partially mediate weight loss following MBS.
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