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Relation between cognitive restraint and weight: Does a content validity problem lead to a wrong axis of care?

Abstract : 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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Submitted on : Friday, November 15, 2019 - 4:10:28 PM
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Sabrina Julien Sweerts, Damien Fouques, Baptiste Lignier, Gérard Apfeldorfer, Katherine Kureta-Vanoli, et al.. Relation between cognitive restraint and weight: Does a content validity problem lead to a wrong axis of care?. Clinical obesity, 2019, 9 (5), ⟨10.1111/cob.12330⟩. ⟨hal-02365995⟩

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