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This study used structural equation modeling to evaluate a mediation model of the relationship between trauma exposure, posttraumatic stress disorder (PTSD) symptoms, and perpetration of intimate partner physical and psychological aggression in trauma-exposed veterans and their cohabitating spouses (n = 286 couples; 88% male veteran and female spouse, 80.8% White, non-Hispanic). Dyadic data analyses were used to simultaneously evaluate actor and partner effects using the actor–partner interdependence model (Kashy & Kenny, 2000). The primary hypothesis was that PTSD would mediate the association between trauma exposure and intimate partner physical and psychological aggression with these effects evident both within and across members of a couple (i.e., actor and partner effects). The best-fitting model included (a) equivalent actor and partner direct effects of trauma on veterans’ acts of psychological aggression (β = .17 to .20, p = .001), and (b) equivalent actor and partner indirect effects via PTSD on veterans’ acts of physical aggression (β = .08 to .10, p < .001). There were no direct or indirect effects predicting the spouses’ aggression. Results suggest it is important to consider the trauma histories and possible presence of PTSD in both partners as this may be a point of intervention when treating distressed couples.

Traditional and Simplified Chinese Abstracts by AsianSTSS

標題:在親密伴侶暴力中,創傷經歷的影響和創傷後壓力症的嚴重程度的二元分析

撮要:本研究樣本是曾經歷創傷的退役軍人和他們的同居伴侶。我們採用結構方程式模型來評估創傷經歷,創傷後壓力症(PTSD)症狀,和對伴侶施行身體及心理暴力行為的相互關係的調解模型(n=286對伴侶,88%為男性軍人/女性伴侶,80.8%白種及非西葡裔)。二元數據分析利用演員 – 伙伴相依模型(Kashy & Kenny, 2000)來同步評估演員和伙伴效應。基本假設是PTSD 在創傷經歷和對伴侶身體及心理施行暴力的關係肩負調解角色,而這些效應在伴侶中及不同伴侶之間都是明顯的(即演員和伙伴效應) 。最佳擬合模型包括:(a)退役軍人心理暴力行為方面,創傷有對等演員和伙伴直接效應(β=.17至.20, p=.001), 和 (b). 退役軍人身體暴力行為方面,憑籍PTSD 而有對等演員和伙伴間接效應(β=.08至.10, P<.001)。但我們沒有直接和間接效應去預測伴侶暴力。結果顯示在伴侶兩人中須評估創傷史及PTSD的可能性,而在治療受困擾伴侶時亦可以此為介入點。

标题:在亲密伴侣暴力中,创伤经历的影响和创伤后压力症的严重程度的二元分析

撮要:本研究样本是曾经历创伤的退役军人和他们的同居伴侣。我们采用结构方程式模型来评估创伤经历,创伤后压力症(PTSD)症状,和对伴侣施行身体及心理暴力行为的相互关系的调解模型(n=286对伴侣,88%为男性军人/女性伴侣,80.8%白种及非西葡裔)。二元数据分析利用演员 – 伙伴相依模型(Kashy & Kenny, 2000)来同步评估演员和伙伴效应。基本假设是PTSD 在创伤经历和对伴侣身体及心理施行暴力的关系负责调解角色,而这些效应在伴侣中及不同伴侣之间都是明显的(即演员和伙伴效应) 。最佳拟合模型包括:(a)退役军人心理暴力行为方面,创伤有相等演员和伙伴直接效应(β=.17至.20, p=.001), 和 (b). 退役军人身体暴力行为方面,凭籍PTSD 而有相等演员和伙伴间接效应(β=.08至.10, P<.001)。但我们没有能够预测伴侣暴力的直接和间接效应。结果显示在伴侣双方中须评估创伤史及PTSD的可能性,而在治疗受困扰伴侣时亦可以此为介入点。