Psychometric Properties of the Lithuanian Version of the Eating Disorder Examination- Questionnaire

Objective The Eating Disorder Examination Questionnaire (EDE-Q) is widely used to assess eating pathology, but its factor structure has been inconsistent across populations. This study examined the factor structure and measurement invariance of the EDE-Q 6.0 in a representative sample of young adults in Lithuania. Methods 800 participants (ages 18–30) completed the EDE-Q 6.0. Confirmatory factor analysis (CFA) was conducted to validate its structure and find the best-fitting model. Measurement invariance was tested across sexes, and convergent validity was assessed using the Level of Personality Functioning Scale – Brief Form 2.0 and the Patient Health Questionnaire-4. Results The original four-factor structure of the EDE-Q 6.0 was not supported. Instead, CFA identified a three-factor, seven-item model (EDE-Q 7) comprising Dietary Restraint, Shape/Weight Overvaluation, and Body Dissatisfaction. This model demonstrated excellent fit indices and measurement invariance across sexes. However, women scored significantly higher on all subscales than men. The EDE-Q 7 exhibited adequate convergent validity, correlating with personality functioning, anxiety, and depression. Discussion The three-factor, seven-item EDE-Q 7 is a brief, valid, and reliable measure of eating disorder psychopathology in Lithuanian young adults. Its strong psychometric properties support its use in research and clinical settings.