Olatunji Bunmi O, Williams Nathan L, Lohr Jeffrey M, Connolly Kevin M, Cisler Josh, Meunier Suzanne A
Department of Psychology, Vanderbilt University, 301 Wilson Hall, 111 21st Avenue South, Nashville, TN 37203, USA.
Behav Res Ther. 2007 Dec;45(12):3002-17. doi: 10.1016/j.brat.2007.08.011. Epub 2007 Aug 19.
Research has begun to implicate the role of disgust in the etiology of specific phobias and obsessive-compulsive disorder (OCD). However, it remains unclear if the association between disgust and specific anxiety disorder symptoms is an artifact of trait anxiety or a potential mechanism through which trait anxiety effects specific anxiety disorder symptoms. The present study employed structural equation modeling to differentiate disgust from trait anxiety in the prediction of four types of specific anxiety disorder symptoms in a non-clinical sample (N=352). Results indicate that disgust and trait anxiety latent factors were independently related to spider fears, blood-injection-injury (BII) fears, general OCD symptoms, and OCD washing concerns. However, when both variables were simultaneously modeled as predictors, latent disgust remained significantly associated with the anxiety disorder symptoms, whereas the association between latent trait anxiety and the anxiety disorder symptoms became non-significant or was substantially reduced. Statistical tests of intervening variable effects converged in support of disgust as a significant intervening variable between trait anxiety and spider fears, BII fears, and OCD symptoms (particularly washing concerns). The relevance of these findings for future research investigating the role of disgust in specific anxiety disorders is discussed.
研究已开始表明厌恶感在特定恐惧症和强迫症（OCD）病因中的作用。然而，厌恶感与特定焦虑症症状之间的关联究竟是特质焦虑的产物，还是特质焦虑影响特定焦虑症症状的潜在机制，仍不明确。本研究采用结构方程模型，在一个非临床样本（N = 352）中区分厌恶感与特质焦虑对四种特定焦虑症症状的预测作用。结果表明，厌恶感和特质焦虑潜在因素分别与蜘蛛恐惧、血液-注射-损伤（BII）恐惧、一般强迫症症状以及强迫症洗涤相关问题有关。然而，当将这两个变量同时作为预测因素进行建模时，潜在厌恶感仍与焦虑症症状显著相关，而潜在特质焦虑与焦虑症症状之间的关联则不再显著或大幅减弱。中介变量效应的统计检验结果一致支持厌恶感是特质焦虑与蜘蛛恐惧、BII恐惧及强迫症症状（尤其是洗涤相关问题）之间的重要中介变量。本文讨论了这些发现对未来研究厌恶感在特定焦虑症中作用的意义。
