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Self-Reported Hedonism Predicts 12-Month Weight Loss After Roux-en-Y Gastric Bypass
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Klinisk psykologi i hälso- och sjukvård)ORCID iD: 0000-0003-4570-5891
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Upper Abdominal Surgery.ORCID iD: 0000-0002-6243-2859
2017 (English)In: Obesity Surgery, ISSN 0960-8923, E-ISSN 1708-0428, Vol. 27, no 8, 2073-2078 p.Article in journal (Refereed) Published
Abstract [en]

Introduction Research regarding psychological risk factors for reduced weight loss after bariatric surgery has yielded mixed results, especially for variables measured prior to surgery. More profound personality factors have shown better promise and one such factor that may be relevant in this context is time perspective, i.e., the tendency to focus on present or future consequences. The aim of this study was to investigate the predictive value of time perspective for 12-month weight loss after Roux-en-Y gastric bypass surgery.

Methods A total of 158 patients were included and completed self-report instruments prior to surgery. Weight loss was measured after 12 months by medical staff. Background variables as well as self-reported disordered eating, psychological distress, and time perspective were analyzed with regression analysis to identify significant predictors for 12-month weight loss.

Results The mean BMI loss at 12 months was 14 units, from 45 to 30 kg/m(2). Age, sex, and time perspective could significantly predict weight loss but only male sex and self-reported hedonism were independent risk factors for reduced weight loss in the final regression model.

Conclusion In this study, self-reported hedonistic time perspective proved to be a better predictor for 12-month weight loss than symptoms of disordered eating and psychological distress. It is possible that a hedonistic tendency of focusing on immediate consequences and rewards is analogous to the impaired delay discounting seen in previous studies of bariatric surgery candidates. Further studies are needed to identify whether these patients may benefit from extended care and support after surgery.

Place, publisher, year, edition, pages
2017. Vol. 27, no 8, 2073-2078 p.
Keyword [en]
Bariatric surgery, Weight loss, Risk factors, Time perspective, Personality, Hedonism
National Category
Psychology Gastroenterology and Hepatology
Identifiers
URN: urn:nbn:se:uu:diva-316575DOI: 10.1007/s11695-017-2603-zISI: 000405712400025PubMedID: 28229317OAI: oai:DiVA.org:uu-316575DiVA: diva2:1078299
Available from: 2017-03-03 Created: 2017-03-03 Last updated: 2017-11-17Bibliographically approved

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Alfonsson, SvenSundbom, Magnus

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