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Effects of Day‐Patient Treatment on Eating Disorder Symptoms in Persons With Bulimia Nervosa: A Meta‐Analysis.

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Title: Effects of Day‐Patient Treatment on Eating Disorder Symptoms in Persons With Bulimia Nervosa: A Meta‐Analysis.
Authors: Dieffenbacher, Anna L. (AUTHOR), Voderholzer, Ulrich (AUTHOR), Meule, Adrian (AUTHOR)
Source: European Eating Disorders Review. Jul2026, Vol. 34 Issue 4, p895-906. 12p.
Subjects: Bulimia treatment, Bulimia, Psychotherapy, Body mass index, Adult day care, Questionnaires, Nutrition counseling, Treatment effectiveness, Meta-analysis, Descriptive statistics, Group psychotherapy, Systematic reviews, MEDLINE, Food habits, Online information services, Confidence intervals, Cognitive therapy, Individualized medicine, Pathological psychology, Psychology information storage & retrieval systems
Abstract: Objective: Outpatient treatment for bulimia nervosa (BN) often fails to reduce core symptoms like binge eating and purging, while inpatient care is costly and separates patients from their everyday environment. Day‐patient treatment offers a middle ground by providing intensive daytime therapy with the opportunity to apply skills at home. This meta‐analysis evaluated the effectiveness of day‐patient treatment for BN and explored potential outcome moderators. Methods: A systematic search yielded 1664 records, and 20 studies were included in the analysis. Outcome variables were changes in questionnaire scores on eating disorder psychopathology, binge eating frequency, purging frequency, and body mass index (BMI) from admission to discharge and, if available, from discharge to follow up. Results: Eating disorder psychopathology decreased from admission to discharge with a large effect size and remained stable from discharge to follow up. Pooled effect sizes showed large reductions in binge eating and purging frequency from admission to discharge, whereas BMI did not change significantly. Conclusion: Day‐patient treatment effectively reduces eating disorder psychopathology, binge eating, and purging. As BMI seems to remain stable, this may be used to ease patients' weight gain concerns. Highlights: Day‐patient treatment for BN significantly improves eating disorder psychopathology, measured by eating disorder‐specific questionnaires.Core behavioural symptoms (binge eating and purging) also show large reductions from admission to discharge.BMI remained stable during day‐patient treatment which may reduce patients' fears of uncontrollable weight gain and support engagement in therapy. [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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  Label: Title
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  Data: Effects of Day‐Patient Treatment on Eating Disorder Symptoms in Persons With Bulimia Nervosa: A Meta‐Analysis.
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  Data: <searchLink fieldCode="AR" term="%22Dieffenbacher%2C+Anna+L%2E%22">Dieffenbacher, Anna L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Voderholzer%2C+Ulrich%22">Voderholzer, Ulrich</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, p895-906. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Bulimia+treatment%22">Bulimia treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Bulimia%22">Bulimia</searchLink><br /><searchLink fieldCode="DE" term="%22Psychotherapy%22">Psychotherapy</searchLink><br /><searchLink fieldCode="DE" term="%22Body+mass+index%22">Body mass index</searchLink><br /><searchLink fieldCode="DE" term="%22Adult+day+care%22">Adult day care</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Nutrition+counseling%22">Nutrition counseling</searchLink><br /><searchLink fieldCode="DE" term="%22Treatment+effectiveness%22">Treatment effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Meta-analysis%22">Meta-analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Group+psychotherapy%22">Group psychotherapy</searchLink><br /><searchLink fieldCode="DE" term="%22Systematic+reviews%22">Systematic reviews</searchLink><br /><searchLink fieldCode="DE" term="%22MEDLINE%22">MEDLINE</searchLink><br /><searchLink fieldCode="DE" term="%22Food+habits%22">Food habits</searchLink><br /><searchLink fieldCode="DE" term="%22Online+information+services%22">Online information services</searchLink><br /><searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink><br /><searchLink fieldCode="DE" term="%22Cognitive+therapy%22">Cognitive therapy</searchLink><br /><searchLink fieldCode="DE" term="%22Individualized+medicine%22">Individualized medicine</searchLink><br /><searchLink fieldCode="DE" term="%22Pathological+psychology%22">Pathological psychology</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology+information+storage+%26+retrieval+systems%22">Psychology information storage & retrieval systems</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Objective: Outpatient treatment for bulimia nervosa (BN) often fails to reduce core symptoms like binge eating and purging, while inpatient care is costly and separates patients from their everyday environment. Day‐patient treatment offers a middle ground by providing intensive daytime therapy with the opportunity to apply skills at home. This meta‐analysis evaluated the effectiveness of day‐patient treatment for BN and explored potential outcome moderators. Methods: A systematic search yielded 1664 records, and 20 studies were included in the analysis. Outcome variables were changes in questionnaire scores on eating disorder psychopathology, binge eating frequency, purging frequency, and body mass index (BMI) from admission to discharge and, if available, from discharge to follow up. Results: Eating disorder psychopathology decreased from admission to discharge with a large effect size and remained stable from discharge to follow up. Pooled effect sizes showed large reductions in binge eating and purging frequency from admission to discharge, whereas BMI did not change significantly. Conclusion: Day‐patient treatment effectively reduces eating disorder psychopathology, binge eating, and purging. As BMI seems to remain stable, this may be used to ease patients' weight gain concerns. Highlights: Day‐patient treatment for BN significantly improves eating disorder psychopathology, measured by eating disorder‐specific questionnaires.Core behavioural symptoms (binge eating and purging) also show large reductions from admission to discharge.BMI remained stable during day‐patient treatment which may reduce patients' fears of uncontrollable weight gain and support engagement in therapy. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  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=194295519
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        Value: 10.1002/erv.70077
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      – Code: eng
        Text: English
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        PageCount: 12
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    Subjects:
      – SubjectFull: Bulimia treatment
        Type: general
      – SubjectFull: Bulimia
        Type: general
      – SubjectFull: Psychotherapy
        Type: general
      – SubjectFull: Body mass index
        Type: general
      – SubjectFull: Adult day care
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      – SubjectFull: Questionnaires
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      – SubjectFull: Nutrition counseling
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      – SubjectFull: Treatment effectiveness
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      – SubjectFull: Meta-analysis
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Group psychotherapy
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      – SubjectFull: Food habits
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      – SubjectFull: Online information services
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      – SubjectFull: Confidence intervals
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      – SubjectFull: Cognitive therapy
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      – SubjectFull: Individualized medicine
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      – SubjectFull: Pathological psychology
        Type: general
      – SubjectFull: Psychology information storage & retrieval systems
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    Titles:
      – TitleFull: Effects of Day‐Patient Treatment on Eating Disorder Symptoms in Persons With Bulimia Nervosa: A Meta‐Analysis.
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            NameFull: Dieffenbacher, Anna L.
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            NameFull: Voderholzer, Ulrich
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              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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