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Published on: May 10, 2022
Factor analysis of the eating disorder diagnostic scale in individuals with bipolar disorder
Scott Crow1, Thomas J Blom2, Leslie Sim3
1Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, USA; The Emily Program, St. Paul, MN, USA.
Purpose:
To examine the potential factor structure of the Eating Disorder Diagnostic Scale (EDDS) in a sample of individuals with bipolar disorder.
Method:
Exploratory common factor analyses were conducted in a sample of 1031 people with bipolar disorder as defined by the Structured Clinical Interview for DSM-IV-TR.
Results:
Approximately 27% of participants had a comorbid eating disorder. Exploratory factor analysis yielded a 3 factor solution (i.e., shape/weight concerns; binge eating behaviors, compensatory behavior).
Conclusions:
The 3-factor solution of the EDDS in a bipolar disorder sample is consistent with major eating disorder symptom domains. Future research is necessary to replicate these findings in eating disorder samples with diverse comorbid psychopathology.
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