Our results support a three-dimensional factor structure for the French version of the DEBQ for normal weight and obese patients. We propose the chance to change hypothesis to explain results for bariatric surgery patients: patients experience a beneficial but transient decrease in externality, emotionality and cognitive restraint, and this period of time gives the patient a chance for cognitive, behavioral and emotional change. This critical period should be well prepared before surgery to improve the patient's postoperative success, by tackling each factor that could diminish the chances for success as soon as possible (e.g., early screening and treatment for psychiatric disorders).

Summary The aim of this research is to examine the relation between weight and cognitive restraint (CR), which is the intention to control food intake in order to maintain or lose weight, in a general French population sample. Is CR more prevalent in individuals with obesity than overweight, underweight or normal‐weight subjects in this cross‐sectional study? Are people affected by obesity non‐restrained eaters? A total of 507 French people (80.2% women and 19.8% men), aged 18‐78 years, responded to an online questionnaire. It appears that the most used questionnaire measuring CR has content validity problems as it seems to measure effective control and not the intention. Therefore, a numeric scale was used to answer the questions. Even if it is not possible in this study to test a causal link with latent variable modelling, our results seem to show that people with obesity more frequently intend to eat less or to eat healthier and/or to eat less sugar and fat than other people in order to control their weight. However, people affected by obesity do not succeed in so doing. These results raise the question of treatments advocating the increase of self‐control. Finally, it would be necessary to obtain a real, scientific consensus on what CR is and on how to measure it in order to study the most effective treatments for people with overweight or obesity.

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