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Personality Profiles Associated with Long-Term Success in Bariatric Surgery: 24-Month Follow-Up.
Ignacio Montorio1, María Izal1, Ana Bellot1
1Psychology Faculty, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
Behavioral Sciences (Basel, Switzerland)
|October 27, 2023
Summary
Bariatric surgery success is linked to personality. Patients with higher self-efficacy and better emotional adjustment achieved greater long-term weight loss after bariatric surgery.
Area of Science:
- Medical Science
- Psychology
- Obesity Research
Background:
- Bariatric surgery (BS) is a leading treatment for severe obesity.
- Predictors and personality profiles for BS success show inconsistent findings.
- Limited research exists on personality's role in bariatric surgery outcomes.
Purpose of the Study:
- To identify distinct personality profiles associated with bariatric surgery success.
- To explore the relationship between personality traits and long-term weight loss after surgery.
Main Methods:
- 67 patients undergoing bariatric surgery were assessed.
- Clinical and personality measures were collected.
- Weight loss was tracked at 6, 12, and 24 months.
- Hierarchical case cluster and k-means cluster analyses were used.
- ANOVA compared personality profiles between weight loss groups.
Main Results:
- Average 24-month weight loss was 67.2%.
- Two success profiles emerged: 46.5% achieved >90% excess body mass index loss (EBL), while 55% achieved <40% EBL.
- The successful group demonstrated higher self-efficacy and emotional adjustment.
Conclusions:
- Successful bariatric surgery outcomes are associated with specific personality traits.
- Personality factors, including self-efficacy and emotional adjustment, may promote sustained weight loss post-surgery.

