Response patterns on interview and questionnaire versions of the Eating Disorder Examination and their impact on latent structure analyses.
- Author(s): Berg, Kelly C
- Swanson, Sonja A
- Stiles-Shields, E Colleen
- Eddy, Kamryn T
- Peterson, Carol B
- Le Grange, Daniel
- et al.
Published Web Locationhttps://www.sciencedirect.com/science/article/pii/S0010440X12002623?via%3Dihub
The purpose of this investigation was to compare the latent structures of the interview (EDE) and questionnaire (EDE-Q) versions of the Eating Disorder Examination.Participants were 280 children, adolescents, and young adults seeking eating disorder treatment. Two separate latent structure analyses (LSAs) were conducted; one used variables from the EDE as indicators and the other used the corresponding variables from the EDE-Q as indicators.The EDE and EDE-Q models both yielded four-class solutions. Three of the four classes from the EDE-Q model demonstrated moderate to high concordance with their paired class from the EDE model. Using the EDE-Q to detect the EDE, the sensitivity and specificity of measuring certain classes varied from poor (18.6%) to excellent (93.7%). The overall concordance was moderate (κ=.49).These data suggest that LSAs using the EDE and EDE-Q may be directly compared; however, differences between results may represent inconsistencies in response patterns rather than true differences in psychopathology.
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