The optimal cut-off score of the Eating Attitude Test-26 for screening eating disorders in Japan

Autor: Nobuhiro Nohara, Maiko Hiraide, Takeshi Horie, Shu Takakura, Tomokazu Hata, Nobuyuki Sudo, Kazuhiro Yoshiuchi
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Eating and Weight Disorders, Vol 29, Iss 1, Pp 1-8 (2024)
Druh dokumentu: article
ISSN: 1590-1262
DOI: 10.1007/s40519-024-01669-1
Popis: Abstract Purpose The Eating Attitude Test-26 (EAT-26) is a screening tool for eating disorders (EDs) in clinical and non-clinical samples. The cut-off score was suggested to be varied according to target population. However, no studies have examined the appropriateness of the originally proposed score of 20 for screening DSM-5 eating disorders in Japan. This study aimed to identify an appropriate cut-off score to better differentiate clinical and non-clinical samples in Japan for EDs. Methods The participants consisted of 54 patients with anorexia nervosa restricting type, 58 patients with anorexia nervosa binge-eating/purging type, 37 patients with bulimia nervosa diagnosed according to DSM-5 criteria, and 190 healthy controls (HCs). Welch’s t test was used to assess differences in age, body mass index (BMI), and total EAT-26 scores between HCs and patients with EDs. Receiver operating characteristic (ROC) analysis was conducted to identify the optimal cut-off score. Results The HCs had significantly higher BMI and lower total EAT-26 mean scores than patients with EDs. The area under the ROC curve was 0.925, indicating that EAT-26 had excellent performance in discriminating patients with EDs from HCs. An optimal cut-off score of 17 was identified, with sensitivity and specificity values of 0.866 and 0.868, respectively. Conclusions The result supports the suggestions that optimal cut-off score should be different according to target populations. The newly identified cut-off score of 17 would enable the identification of patients with EDs who have been previously classified as non-clinical samples in the EAT-26 test. Level of evidence: III: evidence obtained from case–control analytic study.
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