摘要/Abstract

摘要： 目的·探讨神经性厌食（anorexia nervosa，AN）患者中，应激相关的负性感受、抑郁症状和体象关注三者之间的相互作用，以及抑郁症状在负性感受和体象关注之间的中介作用。方法·选取110例符合《精神障碍诊断与统计手册（第5版）》［Diagnosis and Statistical Manual of Mental Disorders （Fifth Edition），DSM-5］的AN患者，使用应激感受量表（Perceived Stress Scale，PSS）评估患者的应激负性感受，采用贝克抑郁量表（Beck Depression Inventory，BDI）评估患者的抑郁症状，采用进食障碍检查自评问卷6.0（Eating Disorder Examination Questionnaire 6.0，EDE-Q 6.0）评估患者的体象关注。采用Pearson相关分析检验变量间的关系，采用Bootstrap法检验抑郁症状在应激负性感受和体象关注间的中介作用。结果·AN患者的负性感受与抑郁症状和体象关注均呈正相关（r=0.537，r=0.729，均P=0.000），抑郁症状与体象关注呈正相关（r=0.614，P=0.000）。中介效应分析结果显示，抑郁症状在负性感受与体象关注间的中介效应大小为0.332（95%CI 0.156～0.535），效应占比61.673%。结论·AN患者的抑郁症状可能在负性感受与体象关注间起中介作用，且中介效应大于直接效应。
关键词: 神经性厌食, 抑郁症状, 体象关注, 中介作用
Abstract:
Objective · To investigate the interaction among stress-related negative feelings, depressive symptoms and shape concern of the patients with anorexia nervosa (AN), and the mediating effect of depressive symptoms between negative feelings and shape concern. Methods · A total of 110 AN patients who met the diagnostic criteria of the Diagnosis and Statistical Manual of Mental Disorders (Fifth Edition) (DSM-5) were recruited and their stress-related negative feelings were measured with Perceived Stress Scale (PSS), depressive symptoms were measured with Beck Depression Inventory (BDI), and shape concern was measured with Eating Disorder Examination Questionnaire 6.0 (EDE-Q 6.0). Pearson’s correlation test was used to examine the relation between the variables, and the Bootstrap method was used to test the mediating effect of depressive symptoms between negative feelings and shape concern. Results · Negative feelings of the AN patients were positively correlated with depressive symptoms and shape concern (r=0.537, r=0.729, both P=0.000), and depressive symptoms were positively correlated with shape concern (r=0.614, P=0.000). The mediating effect analysis showed that the mediating role of depressive symptoms between negative feelings and shape concern was 0.332 (95%CI 0.156-0.535), with the mediating effect ratio of 61.673%. Conclusion · The depressive symptoms of the AN patients may play a mediating effect between negative feelings and shape concern, and the mediating effect is greater than the direct effect.
Key words: anorexia nervosa (AN), depressive symptom, shape concern, mediating effect


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