Decentering as a mediator of the effect of mindfulness on emotional distress: Evidence from cross-sectional and longitudinal designs.

IF 2.6 1区心理学 Q2 PSYCHOLOGY, CLINICAL Psychotherapy Research Pub Date : 2024-11-17 DOI:10.1080/10503307.2024.2426562

Zhenzhen Wang, Xinyi Tang, Amy Hu, Wingsze Chiu, Stefan G Hofmann, Xinghua Liu

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Abstract

Objective: To investigate the role of decentering as a mediator of the effect of mindfulness/mindfulness-based intervention (MBI) on emotional distress, we conducted cross-sectional and longitudinal designs.

Method: In Study 1, a total of 998 participants with high emotional distress were included. Mindfulness, decentering, anxiety, and depression were measured at baseline. In Study 2, 688 participants with high emotional distress were randomized to a Mindfulness Intervention for Emotional Distress (MIED) group (N = 344) and a waitlist control (WL) group (N = 344). The same variables were assessed at pre-intervention, week 3, week 5, and post-intervention.

Results: In the cross-sectional design, simple mediation analyses pointed to decentering as a significant mediator of the relationship between mindfulness and symptoms of anxiety and depression. In the longitudinal designs, repeated measures ANOVAs showed that decentering, anxiety, and depression significantly improved in the MIED group compared to WL group. Random-intercept cross-lagged panel models found that decentering and emotional distress reciprocally influenced each other. Longitudinal mediation analyses showed that decentering during the intervention significantly mediated the effect of the MIED program on alleviating emotional distress.

Conclusion: Decentering may potentially act as a pivotal mediator for alleviating emotional distress in MBIs.

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去中心化是正念对情绪困扰影响的中介：来自横断面和纵向设计的证据。

目的：研究去中心化作为正念/正念干预（MBI）对情绪困扰影响的中介作用：为了研究去中心化作为正念/正念干预（MBI）对情绪困扰影响的中介作用，我们进行了横断面和纵向设计：在研究1中，我们共纳入了998名有严重情绪困扰的参与者。在基线研究中，对正念、去中心化、焦虑和抑郁进行了测量。在研究 2 中，688 名有严重情绪困扰的参与者被随机分配到正念干预情绪困扰（MIED）组（344 人）和候补对照（WL）组（344 人）。在干预前、第3周、第5周和干预后对相同的变量进行了评估：在横向设计中，简单的中介分析表明，去中心化是正念与焦虑和抑郁症状之间关系的重要中介。在纵向设计中，重复测量方差分析显示，与WL组相比，MIED组的去中心化、焦虑和抑郁症状有明显改善。随机截距交叉滞后面板模型发现，去中心化和情绪困扰相互影响。纵向中介分析表明，干预过程中的去中心化对MIED项目缓解情绪困扰的效果有明显的中介作用：结论："去中心化 "可能是缓解情绪困扰的关键中介因素。

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来源期刊

Psychotherapy Research PSYCHOLOGY, CLINICAL-

CiteScore

7.80

自引率

10.30%

发文量

期刊介绍： Psychotherapy Research seeks to enhance the development, scientific quality, and social relevance of psychotherapy research and to foster the use of research findings in practice, education, and policy formulation. The Journal publishes reports of original research on all aspects of psychotherapy, including its outcomes, its processes, education of practitioners, and delivery of services. It also publishes methodological, theoretical, and review articles of direct relevance to psychotherapy research. The Journal is addressed to an international, interdisciplinary audience and welcomes submissions dealing with diverse theoretical orientations, treatment modalities.