Psychometric proprieties of the Italian version of the questionnaire on eating and weight patterns (QEWP-5) and its accu
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ORIGINAL ARTICLE
Psychometric proprieties of the Italian version of the questionnaire on eating and weight patterns (QEWP‑5) and its accuracy in screening for binge‑eating disorder in patients seeking treatment for obesity Simona Calugi1 · Cecilia Serena Pace2 · Stefania Muzi1 · Deborah Fasoli1 · Francesca Travagnin1 · Riccardo Dalle Grave1 Received: 3 August 2019 / Accepted: 11 November 2019 © Springer Nature Switzerland AG 2019
Abstract Purpose The aim of the current study was to assess the psychometric proprieties of the Italian version of the latest edition of the Questionnaire of Eating and Weight Patterns (QEWP-5), evaluating its accuracy in screening patients with bingeeating disorder (BED). Methods The Italian translation of the tool was administered to 604 Italian-speaking adults seeking treatment for obesity. The clinical sample was given the Eating Disorder Examination interview to assess for BED. Participants also completed the Symptom Checklist 90, the Obesity-Related Well-Being and the Binge-Eating Scale. Results The sensitivity of the QEWP-5 was 0.49, and its specificity 0.93. The positive and negative predictive values were 0.34 and 0.96, respectively. Agreement between QEWP-5 and EDE using Cohen’s kappa was 0.35. Nevertheless, among patients with an EDE diagnosis of no BED, those ‘QEWP-5-positive’ for BED displayed higher eating-disorder and general psychopathology scores, poorer weight-related quality of life, and greater severity of binge-eating behaviours than those ‘QEWP-5-negative’ for BED. Conclusion Despite the low concordance with the EDE interview in terms of detecting the presence of BED, the QEWP-5 may be a useful initial screening tool for the clinical assessment of adults seeking treatment for obesity. Level of evidence Level V, Descriptive study. Keywords Eating disorder · Questionnaire · Validity · Reliability · Italian translation
Introduction Binge-eating disorder (BED) has been included as a major diagnostic category of feeding and eating disorders in the Fifth Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) [1]. Recent studies, assessing the lifetime prevalence of BED, found an estimated rate of about 0.9% in non-treatment seeking community-based samples [2, 3] and a point prevalence ranging from 0.62 to 3.6% [4, 5]. Among individuals seeking weight-loss treatment, 1.4–9% * Simona Calugi [email protected] 1
Department of Eating and Weight Disorders, Villa Garda Hospital, Via Monte Baldo, 89, 37016 Garda, Verona, Italy
Department of Educational Sciences (DISFOR), University of Genoa, Corso Andrea Podestà,2, 16129 Genoa, Ge, Italy
2
meet the full DSM criteria for BED [6–8]. However, in the same population, the presence of binge-eating episodes is reported in between 9 and 29% [6–8]. BED has been associated with co-morbid psychopathology [9]. Nearly 80% of those with lifetime BED have suffered from another DSM disorder, including clinical depression, anxiety disorder or another eating disorder [10, 11]. Moreover, among patients see
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