August 16, 2025

Psychometric evaluation and refinement of the Eating Disorder Examination Questionnaire in a clinical eating disorder sample.

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Discussion

Factor analysis highlights improved reliability in a 13-item EDE-Q for clinical eating disorder populations, suggesting broader applicability.

The refined 13-item EDE-Q demonstrated improved reliability and unidimensionality in measuring eating disorder severity.
The analysis involved over 2,000 individuals seeking treatment, ensuring relevance across diverse sociodemographic characteristics.
Item response theory and factor analysis revealed measurement invariance across age, race, and gender in the new questionnaire.
Further development is needed to capture specific cognitive, behavioral, and affective aspects of disordered eating.

Jeon et al. (2025) studied this question.

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Factor analysis highlights improved reliability in a 13-item EDE-Q for clinical eating disorder populations, suggesting broader applicability.