The mediating role of emotion dysregulation in the association between trait mindfulness and PTSD symptoms among trauma-exposed adults.
The mediating role of emotion dysregulation in the association between trait mindfulness and PTSD symptoms among trauma-exposed adults.
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情绪失调在创伤暴露成人中特质正念和PTSD症状之间关联的中介作用。
DOI：
10.1007/s12671-021-01684-8
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发表时间：
2021-09
期刊：
影响因子：
3.6
通讯作者：
Fani N
中科院分区：
文献类型：
--
作者：
Powers A;Dixon HD;Guelfo A;Mekawi Y;Bradley B;Kaslow N;Fani N
越来越多的证据表明，基于正念的干预对创伤后应激障碍（PTSD）的有效性，需要对特质正念与PTSD之间关系的相关因素（如情绪失调（ED））有更深入的了解。本研究的目的是在两个创伤暴露的成年人样本中检查特质正念、ED和创伤后应激障碍症状之间的联系。样本1 （n = 39, 90%为女性，100%为黑人）和样本2 （n = 60, 100%为女性，87%为黑人）的参与者来自南方的一家城市医院。评估特质正念、ED和PTSD。在两个样本中，正念和ED与整体PTSD严重程度显著相关（r = -）。49, r =−。42, ps = .001；R = 0.53, R = 0.51, ps < 0.001)。在样本1中，正念不判断和情绪调节策略困难与创伤后应激障碍的整体严重程度和症状群的相关性最强。在样本2中，正念接受和所有ED维度（非意识除外）与整体PTSD严重程度，特别是负面认知和情绪症状有很强的相关性。在这两个样本中，ED介导了正念与整体PTSD严重程度之间的关联（样本1:ab =−）。15, 95%ci[−。35岁的−02];示例2:ab =−。11.95% ci[−。22日,−.04点)。这些发现表明ED在创伤暴露成人的特质正念与PTSD症状之间的关系中起着重要作用。他们强调了检查ED作为一种基于正念干预PTSD的改变机制的价值。样本1:NCT03922581, 2019年4月22日；NCT03938350, 2019年5月6日；样本2:NCT02754557, 2016年4月28日。
Growing evidence of the effectiveness of mindfulness-based interventions for posttraumatic stress disorder (PTSD) warrants greater understanding of factors relevant to the relation between trait mindfulness and PTSD, such as emotion dysregulation (ED). The goal of this study was to examine associations between trait mindfulness, ED, and PTSD symptoms across two samples of trauma-exposed adults. Participants for Sample 1 (n = 39, 90% women, 100% Black) and Sample 2 (n = 60, 100% women, 87% Black) were recruited from an urban hospital in the South. Trait mindfulness, ED, and PTSD were assessed. Across both samples, mindfulness and ED were significantly associated with overall PTSD severity (r = −.49 and r = −.42, ps = .001; r = .53 and r = .51, ps < .001, respectively) in the expected direction. In Sample 1, mindful nonjudgment and difficulty with emotion regulation strategies showed the strongest associations with overall PTSD severity as well as symptom clusters. In Sample 2, mindful acceptance and all ED dimensions (except non-awareness) showed strong associations with overall PTSD severity and particularly with negative cognitions and mood symptoms. In both samples, ED mediated the association between mindfulness and overall PTSD severity (Sample 1: ab = −.15, 95%CI [−.35, −.02]; Sample 2: ab = −.11, 95%CI [−.22, −.04]). These findings demonstrate the important role of ED in the relation between trait mindfulness and PTSD symptoms among trauma-exposed adults. They highlight the value of examining ED as a mechanism of change in mindfulness-based interventions for PTSD. Sample 1: NCT03922581, April 22, 2019; NCT03938350, May 6, 2019; Sample 2: NCT02754557, April 28, 2016.
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