Preliminary validation of developmental weight suppression in youth with transdiagnostic eating disorders.

IF 4.5 3区医学 Q2 NUTRITION & DIETETICS

Journal of Eating Disorders Pub Date : 2025-07-31 DOI:10.1186/s40337-025-01349-0

Simar Singh, Erin E Reilly, Catherine R Drury, Alan Duffy, Philip S Mehler, Erin C Accurso, Kianna Zucker, Naomi Lynch, Daniel Le Grange, Renee D Rienecke, Sasha Gorrell

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Abstract

Background: Weight suppression (WS), traditionally defined as the difference between highest past and current weights at adult height, is a correlate and predictor of eating disorder (ED) psychopathology. However, for growing adolescents, it may be more appropriate to use a developmentally-adjusted calculation of WS. This study compared how developmental WS, calculated using zBMIs, compared with traditional WS, calculated using weights, as correlate of ED psychopathology in treatment-seeking adolescents with transdiagnostic EDs.

Methods: Adolescents with EDs (N = 93) completed the Eating Disorder Examination Questionnaire (EDE-Q) at presentation to outpatient care. Weight histories were extracted from medical records. Regressions examined the association between each measure of WS and EDE-Q scores, adjusting for ED diagnosis. Dominance analyses with bootstrapping assessed whether developmental WS outperformed traditional WS.

Results: Developmental WS negatively associated with EDE-Q Shape (sr² = 0.05, p =.020) and Weight Concern (sr² = 0.05, p =.021). In contrast, traditional WS did not associate with any EDE-Q scores. Although dominance weights were larger for developmental WS compared to traditional WS, bootstrap sampling revealed no significant differences in magnitudes.

Conclusions: Results preliminarily support developmental WS as a correlate of body image concerns in youth with EDs, though replication is needed.

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跨诊断性饮食失调青少年发育性体重抑制的初步验证。

背景：体重抑制（WS），传统上定义为成人身高时过去和现在最高体重之间的差异，是饮食失调（ED）精神病理的相关和预测因素。然而，对于成长中的青少年，使用发育调整后的WS计算可能更合适。本研究比较了发展性WS（使用zbmi计算）与传统WS（使用权重计算）在寻求治疗的跨诊断性ED青少年中与ED精神病理的相关性。方法：患有EDs的青少年（N = 93）在就诊时填写了进食障碍检查问卷（ed - q）。从医疗记录中提取体重史。回归分析了WS和ED - q评分之间的关系，并对ED诊断进行了调整。优势分析与自举评估是否发展WS优于传统WS。结果：发育性WS与ed - q形状（sr2 = 0.05, p = 0.020）和体重关注（sr2 = 0.05, p = 0.021）呈负相关。相比之下，传统的WS与任何ed - q分数都没有关联。虽然发展性WS的优势权重比传统WS大，但bootstrap抽样显示在量级上没有显著差异。结论：研究结果初步支持发展性WS与青少年身体形象担忧与ed相关，但还需要进一步验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Eating Disorders Neuroscience-Behavioral Neuroscience

CiteScore

5.30

自引率

17.10%

发文量

161

审稿时长

16 weeks

期刊介绍： Journal of Eating Disorders is the first open access, peer-reviewed journal publishing leading research in the science and clinical practice of eating disorders. It disseminates research that provides answers to the important issues and key challenges in the field of eating disorders and to facilitate translation of evidence into practice. The journal publishes research on all aspects of eating disorders namely their epidemiology, nature, determinants, neurobiology, prevention, treatment and outcomes. The scope includes, but is not limited to anorexia nervosa, bulimia nervosa, binge eating disorder and other eating disorders. Related areas such as important co-morbidities, obesity, body image, appetite, food and eating are also included. Articles about research methodology and assessment are welcomed where they advance the field of eating disorders.