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Heterogeneity Moderates Treatment Response among Patients with Binge Eating Disorder

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Title: Heterogeneity Moderates Treatment Response among Patients with Binge Eating Disorder
Language: English
Authors: Sysko, Robyn, Hildebrandt, Tom, Wilson, G. Terence
Source: Journal of Consulting and Clinical Psychology. Oct 2010 78(5):681-690.
Availability: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Peer Reviewed: Y
Physical Description: PDF
Page Count: 10
Publication Date: 2010
Document Type: Journal Articles
Reports - Evaluative
Descriptors: Body Weight, Body Composition, Physical Activities, Eating Disorders, Predictive Validity, Cognitive Restructuring, Patients, Probability, Psychotherapy, Outcomes of Treatment, Help Seeking, Behavior Modification, Clinical Diagnosis, Depression (Psychology), Symptoms (Individual Disorders), Measures (Individuals), Obesity, Validity
DOI: 10.1037/a0019735
ISSN: 0022-006X
Abstract: Objective: The purpose of the study was to explore heterogeneity and differential treatment outcome among a sample of patients with binge eating disorder (BED). Method: A latent class analysis was conducted with 205 treatment-seeking, overweight or obese individuals with BED randomized to interpersonal psychotherapy (IPT), behavioral weight loss (BWL), or guided self-help based on cognitive behavioral therapy (CBTgsh). A latent transition analysis tested the predictive validity of the latent class analysis model. Results: A 4-class model yielded the best overall fit to the data. Class 1 was characterized by a lower mean body mass index (BMI) and increased physical activity. Individuals in Class 2 reported the most binge eating, shape and weight concerns, compensatory behaviors, and negative affect. Class 3 patients reported similar binge eating frequencies to Class 2, with lower levels of exercise or compensation. Class 4 was characterized by the highest average BMI, the most overeating episodes, fewer binge episodes, and an absence of compensatory behaviors. Classes 1 and 3 had the highest and lowest percentage of individuals with a past eating disorder diagnosis, respectively. The latent transition analysis found a higher probability of remission from binge eating among those receiving IPT in Class 2 and CBTgsh in Class 3. Conclusions: The latent class analysis identified 4 distinct classes using baseline measures of eating disorder and depressive symptoms, body weight, and physical activity. Implications of the observed differential treatment response are discussed. (Contains 5 tables and 2 footnotes.)
Abstractor: As Provided
Number of References: 53
Entry Date: 2010
Accession Number: EJ899673
Database: ERIC
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  Data: Heterogeneity Moderates Treatment Response among Patients with Binge Eating Disorder
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Consulting+and+Clinical+Psychology%22"><i>Journal of Consulting and Clinical Psychology</i></searchLink>. Oct 2010 78(5):681-690.
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  Data: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
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  Data: Journal Articles<br />Reports - Evaluative
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  Data: 10.1037/a0019735
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  Data: 0022-006X
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Objective: The purpose of the study was to explore heterogeneity and differential treatment outcome among a sample of patients with binge eating disorder (BED). Method: A latent class analysis was conducted with 205 treatment-seeking, overweight or obese individuals with BED randomized to interpersonal psychotherapy (IPT), behavioral weight loss (BWL), or guided self-help based on cognitive behavioral therapy (CBTgsh). A latent transition analysis tested the predictive validity of the latent class analysis model. Results: A 4-class model yielded the best overall fit to the data. Class 1 was characterized by a lower mean body mass index (BMI) and increased physical activity. Individuals in Class 2 reported the most binge eating, shape and weight concerns, compensatory behaviors, and negative affect. Class 3 patients reported similar binge eating frequencies to Class 2, with lower levels of exercise or compensation. Class 4 was characterized by the highest average BMI, the most overeating episodes, fewer binge episodes, and an absence of compensatory behaviors. Classes 1 and 3 had the highest and lowest percentage of individuals with a past eating disorder diagnosis, respectively. The latent transition analysis found a higher probability of remission from binge eating among those receiving IPT in Class 2 and CBTgsh in Class 3. Conclusions: The latent class analysis identified 4 distinct classes using baseline measures of eating disorder and depressive symptoms, body weight, and physical activity. Implications of the observed differential treatment response are discussed. (Contains 5 tables and 2 footnotes.)
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      – SubjectFull: Body Weight
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      – SubjectFull: Body Composition
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