Exploring Dietary Restraint as a Mediator of Behavioral and Cognitive‐Behavioral Treatments on Outcomes for Patients With Binge‐Eating Disorder With Obesity.

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Title: Exploring Dietary Restraint as a Mediator of Behavioral and Cognitive‐Behavioral Treatments on Outcomes for Patients With Binge‐Eating Disorder With Obesity.
Authors: Grilo, Carlos M., Pittman, Brian
Source: International Journal of Eating Disorders. Dec2024, Vol. 57 Issue 12, p2475-2481. 7p.
Subjects: Obesity treatment, Bulimia, Weight loss, Secondary analysis, Binge-eating disorder, Body weight, Questionnaires, Treatment effectiveness, Descriptive statistics, Pre-tests & post-tests, Cognitive therapy, Sociodemographic factors, Confidence intervals, Factor analysis, Diet therapy, Diet in disease, Regression analysis, Evaluation
Abstract: Objective: To explore dietary‐restraint as a mediator of binge eating and weight‐loss outcomes within a randomized controlled trial comparing cognitive‐behavioral therapy (CBT) and behavioral weight loss (BWL) for binge‐eating disorder (BED) with obesity. Methods: Ninety participants were randomly assigned to CBT or BWL and assessed by evaluators blinded to conditions at pretreatment, throughout‐, and post‐treatment (6 months). Three dietary‐restraint measures (Eating Disorder Examination‐Questionnaire [EDE‐Q]‐Restraint, Three‐Factor Flexible‐Restraint and Rigid‐Restraint) were administered at pretreatment and after 2 months of treatment. Regression models examined whether changes at 2‐months in the restraint scales mediated the effects of treatment (CBT versus BWL) on binge eating and weight‐loss outcomes at post‐treatment. Results: CBT and BWL had similar binge‐eating outcomes and similar changes in EDE‐Q‐restraint and flexible‐restraint. BWL had greater 2‐month increases in rigid‐restraint and greater weight‐loss at posttreatment than CBT, with results suggesting 2‐month changes in rigid‐restraint mediated the greater difference (>7 pounds) in weight‐loss. The observed mediation effect of 2.92 suggests 39% of total treatment‐effect on weight‐loss was mediated through 2‐month increases in rigid‐restraint. Discussion: This secondary analysis within a trial comparing CBT and BWL for BED suggests early‐change in rigid‐restraint has a mediating effect of BWL on weight‐loss. Findings indicate that BWL improves binge eating and challenge views that dietary‐restraint might exacerbate binge eating in BED with obesity. Findings require confirmation using hypothesis‐testing in future trials. Trial Registration: Clinicaltrials.gov: NCT00537758 ("Treatment for Obesity and Binge Eating Disorder") [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Eating Disorders is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Exploring Dietary Restraint as a Mediator of Behavioral and Cognitive‐Behavioral Treatments on Outcomes for Patients With Binge‐Eating Disorder With Obesity.
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  Data: <searchLink fieldCode="AR" term="%22Grilo%2C+Carlos+M%2E%22">Grilo, Carlos M.</searchLink><br /><searchLink fieldCode="AR" term="%22Pittman%2C+Brian%22">Pittman, Brian</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Eating+Disorders%22">International Journal of Eating Disorders</searchLink>. Dec2024, Vol. 57 Issue 12, p2475-2481. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Obesity+treatment%22">Obesity treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Bulimia%22">Bulimia</searchLink><br /><searchLink fieldCode="DE" term="%22Weight+loss%22">Weight loss</searchLink><br /><searchLink fieldCode="DE" term="%22Secondary+analysis%22">Secondary analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Binge-eating+disorder%22">Binge-eating disorder</searchLink><br /><searchLink fieldCode="DE" term="%22Body+weight%22">Body weight</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Treatment+effectiveness%22">Treatment effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Pre-tests+%26+post-tests%22">Pre-tests & post-tests</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+therapy%22">Cognitive therapy</searchLink><br /><searchLink fieldCode="DE" term="%22Sociodemographic+factors%22">Sociodemographic factors</searchLink><br /><searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+analysis%22">Factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Diet+therapy%22">Diet therapy</searchLink><br /><searchLink fieldCode="DE" term="%22Diet+in+disease%22">Diet in disease</searchLink><br /><searchLink fieldCode="DE" term="%22Regression+analysis%22">Regression analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Evaluation%22">Evaluation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objective: To explore dietary‐restraint as a mediator of binge eating and weight‐loss outcomes within a randomized controlled trial comparing cognitive‐behavioral therapy (CBT) and behavioral weight loss (BWL) for binge‐eating disorder (BED) with obesity. Methods: Ninety participants were randomly assigned to CBT or BWL and assessed by evaluators blinded to conditions at pretreatment, throughout‐, and post‐treatment (6 months). Three dietary‐restraint measures (Eating Disorder Examination‐Questionnaire [EDE‐Q]‐Restraint, Three‐Factor Flexible‐Restraint and Rigid‐Restraint) were administered at pretreatment and after 2 months of treatment. Regression models examined whether changes at 2‐months in the restraint scales mediated the effects of treatment (CBT versus BWL) on binge eating and weight‐loss outcomes at post‐treatment. Results: CBT and BWL had similar binge‐eating outcomes and similar changes in EDE‐Q‐restraint and flexible‐restraint. BWL had greater 2‐month increases in rigid‐restraint and greater weight‐loss at posttreatment than CBT, with results suggesting 2‐month changes in rigid‐restraint mediated the greater difference (>7 pounds) in weight‐loss. The observed mediation effect of 2.92 suggests 39% of total treatment‐effect on weight‐loss was mediated through 2‐month increases in rigid‐restraint. Discussion: This secondary analysis within a trial comparing CBT and BWL for BED suggests early‐change in rigid‐restraint has a mediating effect of BWL on weight‐loss. Findings indicate that BWL improves binge eating and challenge views that dietary‐restraint might exacerbate binge eating in BED with obesity. Findings require confirmation using hypothesis‐testing in future trials. Trial Registration: Clinicaltrials.gov: NCT00537758 ("Treatment for Obesity and Binge Eating Disorder") [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Eating Disorders is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/eat.24288
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 2475
    Subjects:
      – SubjectFull: Obesity treatment
        Type: general
      – SubjectFull: Bulimia
        Type: general
      – SubjectFull: Weight loss
        Type: general
      – SubjectFull: Secondary analysis
        Type: general
      – SubjectFull: Binge-eating disorder
        Type: general
      – SubjectFull: Body weight
        Type: general
      – SubjectFull: Questionnaires
        Type: general
      – SubjectFull: Treatment effectiveness
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Pre-tests & post-tests
        Type: general
      – SubjectFull: Cognitive therapy
        Type: general
      – SubjectFull: Sociodemographic factors
        Type: general
      – SubjectFull: Confidence intervals
        Type: general
      – SubjectFull: Factor analysis
        Type: general
      – SubjectFull: Diet therapy
        Type: general
      – SubjectFull: Diet in disease
        Type: general
      – SubjectFull: Regression analysis
        Type: general
      – SubjectFull: Evaluation
        Type: general
    Titles:
      – TitleFull: Exploring Dietary Restraint as a Mediator of Behavioral and Cognitive‐Behavioral Treatments on Outcomes for Patients With Binge‐Eating Disorder With Obesity.
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          Name:
            NameFull: Grilo, Carlos M.
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          Name:
            NameFull: Pittman, Brian
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          Dates:
            – D: 01
              M: 12
              Text: Dec2024
              Type: published
              Y: 2024
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              Value: 12
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            – TitleFull: International Journal of Eating Disorders
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