Abstract
BackgroundThe Eating Disorder Examination – Questionnaire Short (EDE-QS) was developed as a 12-item version of the Eating Disorder Examination Questionnaire (EDE-Q) with a 4-point response scale that assesses eating disorder (ED) symptoms over the preceding 7 days. It has demonstrated good psychometric properties at initial testing. The purpose of this brief report is to determine a threshold score that could be used in screening for probable ED cases in community settings.MethodsData collected from Gideon et al. (2016) were re-analyzed. In their study, 559 participants (80.86% female; 9.66% self-reported ED diagnosis) completed the EDE-Q, EDE-QS, SCOFF, and Clinical Impairment Assessment (CIA). Discriminatory power was compared between ED instruments using receiver operating characteristic (ROC) curve analyses.ResultsA score of 15 emerged as the threshold that ensured the best trade-off between sensitivity (.83) and specificity (.85), and good positive predictive value (.37) for the EDE-QS, with discriminatory power comparable to other ED instruments.ConclusionThe EDE-QS appears to be an instrument with good discriminatory power that could be used for ED screening purposes.
Highlights
The Eating Disorder Examination – Questionnaire Short (EDE-QS) was developed as a 12-item version of the Eating Disorder Examination Questionnaire (EDE-Q) with a 4-point response scale that assesses eating disorder (ED) symptoms over the preceding 7 days
Normative data for EDE-Q scores and prevalence of eating disorder behavior were reported in Table 1 to ease comparison with present findings
At a cut-off score of 15 on the EDE-QS, the proportion of probable ED cases in the total sample was 21.82%, which is somewhat lower than the rates yielded by the EDE-Q (23.26%) and SCOFF (25.58%), and closer to the proportion of participants’ self-reported ED diagnosis (9.66%)
Summary
The Eating Disorder Examination – Questionnaire Short (EDE-QS) was developed as a 12-item version of the Eating Disorder Examination Questionnaire (EDE-Q) with a 4-point response scale that assesses eating disorder (ED) symptoms over the preceding 7 days. It has demonstrated good psychometric properties at initial testing. The purpose of this brief report is to determine a threshold score that could be used in screening for probable ED cases in community settings. The aim of this brief report was to establish and evaluate a cutoff point on the EDE-QS that could be utilized by researchers and clinicians when identifying probable ED cases in community settings
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