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A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis
Published on: May 10, 2022
Factor structure of the Eating Disorder Inventory-C
Katja Eklund1, E Juulia Paavonen, Fredrik Almqvist
1Department of Child Psychiatry, University of Helsinki, Helsinki, Finland. katja.eklund@gradek.fi
Objective:
The Eating Disorder Inventory-C (EDI-C) is a multidimensional self-report questionnaire for children and adolescents used to characterize differences in the symptoms of eating disorders. It is based on the EDI-2 questionnaire, which is designed for adults. Although the psychometric properties of the EDI and EDI-2 have been well characterized, no studies exist on the EDI-C. Thus, we aimed to establish the factor structure of the EDI-C questionnaire among children.
Method:
A nonclinical sample of 898 children aged 9-16 years completed the EDI-C questionnaire at school.
Results:
Instead of the original 11-factor structure of the EDI-2, 5 factors with high reliability were extracted when 27 items with low communality were removed from analysis.
Discussion:
When the EDI-C is used, the reliability of the original 11 factors may be low. A modified subscale structure with five factors is proposed.
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