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Psychometric Properties of the Commitment to Exercise Scale in Inpatients With Anorexia Nervosa and Bulimia Nervosa.

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Title: Psychometric Properties of the Commitment to Exercise Scale in Inpatients With Anorexia Nervosa and Bulimia Nervosa.
Authors: Fabry, Fiona M. (AUTHOR), Schlegl, Sandra (AUTHOR), Dittmer, Nina (AUTHOR), Voderholzer, Ulrich (AUTHOR), Kolar, David R. (AUTHOR), Meule, Adrian (AUTHOR)
Source: European Eating Disorders Review. Jul2026, Vol. 34 Issue 4, p1121-1129. 9p.
Subjects: Bulimia, Exercise, Patients, Hospital care, Research methodology evaluation, Hospital admission & discharge, Research evaluation, Discharge planning, Descriptive statistics, Eating disorders, Psychometrics, Anorexia nervosa, Health behavior, Research methodology, Commitment (Psychology), Data analysis software, Factor analysis
Abstract: Objective: Compulsive exercise is a common behaviour among persons with eating disorders, particularly in those with anorexia nervosa (AN) and bulimia nervosa (BN). In the current study, we examined psychometric properties of a German version of the eight‐item Commitment to Exercise Scale (CES) with a four‐point scale response format. Method: Data of N = 2424 persons with AN and BN who completed the CES among other measures as part of the routine diagnostic assessment at admission to and discharge from inpatient treatment were analysed based on a preregistered protocol (https://doi.org/10.17605/OSF.IO/Z2RYW). Results: The CES had high internal consistency and a one‐factor structure with measurement invariance across age and diagnostic groups. Large correlations with other measures of compulsive exercise supported convergent validity and small‐to‐moderate correlations with other measures supported divergent validity. Scores on the CES were sensitive to change as they moderately decreased during inpatient treatment, with changes in compulsive exercise being larger in males and persons with AN that in females and persons with BN. Conclusions: The CES has sound psychometric properties in persons with AN and BN. Given its brevity, it may be favoured over lengthier instruments for assessing compulsive exercise in research and clinical practice. Highlights: This German version of the Commitment to Exercise Scale showed high reliability and a stable one‐factor structure across age and diagnostic groups.Convergent and divergent validity were supported through expected correlation patterns with related and unrelated constructs.The scale detected meaningful reductions in compulsive exercise during inpatient treatment, with variation in change across sex and diagnoses. [ABSTRACT FROM AUTHOR]
Copyright of European Eating Disorders Review 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.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Psychometric Properties of the Commitment to Exercise Scale in Inpatients With Anorexia Nervosa and Bulimia Nervosa.
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  Data: <searchLink fieldCode="AR" term="%22Fabry%2C+Fiona+M%2E%22">Fabry, Fiona M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schlegl%2C+Sandra%22">Schlegl, Sandra</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dittmer%2C+Nina%22">Dittmer, Nina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Voderholzer%2C+Ulrich%22">Voderholzer, Ulrich</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kolar%2C+David+R%2E%22">Kolar, David R.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meule%2C+Adrian%22">Meule, Adrian</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Eating+Disorders+Review%22">European Eating Disorders Review</searchLink>. Jul2026, Vol. 34 Issue 4, p1121-1129. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Bulimia%22">Bulimia</searchLink><br /><searchLink fieldCode="DE" term="%22Exercise%22">Exercise</searchLink><br /><searchLink fieldCode="DE" term="%22Patients%22">Patients</searchLink><br /><searchLink fieldCode="DE" term="%22Hospital+care%22">Hospital care</searchLink><br /><searchLink fieldCode="DE" term="%22Research+methodology+evaluation%22">Research methodology evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Hospital+admission+%26+discharge%22">Hospital admission & discharge</searchLink><br /><searchLink fieldCode="DE" term="%22Research+evaluation%22">Research evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Discharge+planning%22">Discharge planning</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Eating+disorders%22">Eating disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Psychometrics%22">Psychometrics</searchLink><br /><searchLink fieldCode="DE" term="%22Anorexia+nervosa%22">Anorexia nervosa</searchLink><br /><searchLink fieldCode="DE" term="%22Health+behavior%22">Health behavior</searchLink><br /><searchLink fieldCode="DE" term="%22Research+methodology%22">Research methodology</searchLink><br /><searchLink fieldCode="DE" term="%22Commitment+%28Psychology%29%22">Commitment (Psychology)</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+analysis%22">Factor analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objective: Compulsive exercise is a common behaviour among persons with eating disorders, particularly in those with anorexia nervosa (AN) and bulimia nervosa (BN). In the current study, we examined psychometric properties of a German version of the eight‐item Commitment to Exercise Scale (CES) with a four‐point scale response format. Method: Data of N = 2424 persons with AN and BN who completed the CES among other measures as part of the routine diagnostic assessment at admission to and discharge from inpatient treatment were analysed based on a preregistered protocol (https://doi.org/10.17605/OSF.IO/Z2RYW). Results: The CES had high internal consistency and a one‐factor structure with measurement invariance across age and diagnostic groups. Large correlations with other measures of compulsive exercise supported convergent validity and small‐to‐moderate correlations with other measures supported divergent validity. Scores on the CES were sensitive to change as they moderately decreased during inpatient treatment, with changes in compulsive exercise being larger in males and persons with AN that in females and persons with BN. Conclusions: The CES has sound psychometric properties in persons with AN and BN. Given its brevity, it may be favoured over lengthier instruments for assessing compulsive exercise in research and clinical practice. Highlights: This German version of the Commitment to Exercise Scale showed high reliability and a stable one‐factor structure across age and diagnostic groups.Convergent and divergent validity were supported through expected correlation patterns with related and unrelated constructs.The scale detected meaningful reductions in compulsive exercise during inpatient treatment, with variation in change across sex and diagnoses. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Eating Disorders Review 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=194295540
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        Value: 10.1002/erv.70099
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 9
        StartPage: 1121
    Subjects:
      – SubjectFull: Bulimia
        Type: general
      – SubjectFull: Exercise
        Type: general
      – SubjectFull: Patients
        Type: general
      – SubjectFull: Hospital care
        Type: general
      – SubjectFull: Research methodology evaluation
        Type: general
      – SubjectFull: Hospital admission & discharge
        Type: general
      – SubjectFull: Research evaluation
        Type: general
      – SubjectFull: Discharge planning
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Eating disorders
        Type: general
      – SubjectFull: Psychometrics
        Type: general
      – SubjectFull: Anorexia nervosa
        Type: general
      – SubjectFull: Health behavior
        Type: general
      – SubjectFull: Research methodology
        Type: general
      – SubjectFull: Commitment (Psychology)
        Type: general
      – SubjectFull: Data analysis software
        Type: general
      – SubjectFull: Factor analysis
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    Titles:
      – TitleFull: Psychometric Properties of the Commitment to Exercise Scale in Inpatients With Anorexia Nervosa and Bulimia Nervosa.
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              Text: Jul2026
              Type: published
              Y: 2026
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