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Psychometric evaluation of the eating disorder examination-questionnaire for bariatric surgery candidates.

机译:减肥手术候选人饮食失调问卷调查表的心理测评。

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摘要

OBJECTIVE: Despite increasing use of the Eating Disorder Examination-Questionnaire (EDE-Q) in bariatric surgery patients, little is known about the utility and psychometric performance of this self-report measure in this clinical group. The primary purpose of the current study was to evaluate the factor structure and construct validity of the EDE-Q in a large series of bariatric surgery candidates. METHODS AND PROCEDURES: Participants were 337 obese bariatric surgery candidates. Participants completed the EDE-Q and a battery of behavioral and psychological measures. RESULTS: Exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) produced a 12-item, 4-factor structure of the EDE-Q. The four factors, interpreted as Dietary Restraint, Eating Disturbance, Appearance Concerns, and Shape/Weight Overvaluation, were found to be internally consistent and converged with other relevant measures of psychopathology. DISCUSSION: Factor analysis of the EDE-Q in bariatric surgery candidates did not replicate the original subscales but revealed an alternative factor structure. Future research must further evaluate the psychometric properties, including the factor structure, of the EDE-Q in this and other diverse populations and consider means of improving this measure's ability to best assess eating-related pathology in bariatric surgery patients.
机译:目的:尽管减肥手术患者越来越多地使用饮食失调调查问卷(EDE-Q),但对于这一临床人群中这种自我报告测量的效用和心理测量性能知之甚少。本研究的主要目的是评估一系列减肥手术候选人中EDE-Q的因子结构和有效性。方法和程序:参加者为337名肥胖减肥手术患者。参与者完成了EDE-Q以及一系列行为和心理措施。结果:探索性因素分析(EFA)和验证性因素分析(CFA)产生了12个项目,4个因素的EDE-Q结构。发现这四个因素被解释为饮食限制,饮食失调,外表问题和体型/体重过高,并且在内部是一致的,并且与精神病理学的其他相关测量结果一致。讨论:对减肥手术候选人中的EDE-Q进行因子分析并没有复制原始的分量表,而是揭示了另一种因子结构。未来的研究必须进一步评估该人群和其他不同人群中EDE-Q的心理测量特性,包括因子结构,并考虑改善该方法以最佳评估减肥手术患者饮食相关病理的能力的方法。

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