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Predictors of Intimate Partner Violence Revictimization: The Relative Impact of Distinct PTSD Symptoms, Dissociation, and Coping Strategies

Authors

  • Katherine M. Iverson,

    Corresponding author
    1. Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts, USA
    • Women's Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
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  • Scott D. Litwack,

    1. Behavioral Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
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  • Suzanne L. Pineles,

    1. Women's Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
    2. Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts, USA
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  • Michael K. Suvak,

    1. Women's Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
    2. Department of Psychology, Suffolk University, Boston, Massachusetts, USA
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  • Rachel A. Vaughn,

    1. Women's Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
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  • Patricia A. Resick

    1. Women's Health Sciences Division of the National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
    2. Departments of Psychiatry and Psychology, Boston University, Boston, Massachusetts, USA
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  • This research was funded by a grant from the National Institute of Mental Health (1-R01-MH55542) awarded to Patricia A. Resick. The research reported here was also supported by the Department of Veterans Affairs, Veterans Health Administration, Health Services Research and Development (HSR&D) and Clinical Sciences Research and Development (CSR&D) Services as part of Dr. Katherine Iverson's HSR&D Career Development (CDA-210-029) Award and Dr. Suzanne Pineles's CSR&D CDA-2 Award. The views expressed in this article are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs.

Correspondence concerning this article should be addressed to Dr. Katherine M. Iverson at the VA Boston Healthcare System, 150 S. Huntington Ave. (116B-3) Boston, MA 02130. E-mail: katherine.iverson@va.gov

Abstract

Psychological distress and coping strategies following intimate partner violence (IPV) victimization may impact survivors’ risk for future IPV. The current study prospectively examined the impact of distinct posttraumatic stress disorder (PTSD) symptom clusters (reexperiencing, avoidance, numbing, and hyperarousal), dissociation, and coping strategies (engagement and disengagement coping) on IPV revictimization among recently abused women. Women (N = 69) who were seeking services for IPV and experienced their most recent episode of physical IPV between 2 weeks and 6 months prior to study enrollment completed measures of physical IPV, psychological distress, and coping strategies at baseline and at 6-month follow-up. The women averaged 36 years of age and 67% of the sample was African American. Separate Poisson regression analyses revealed that PTSD hyperarousal symptoms, dissociation, engagement coping, and disengagement coping each significantly predicted physical IPV revictimization at the 6-month follow-up (with effect sizes ranging from a 1.20–1.34 increase in the likelihood of Time 2 physical IPV with a 1 SD increase in the predictor). When these significant predictors were examined together in a single Poisson regression model, only engagement and disengagement coping were found to predict physical IPV revictimization such that disengagement coping was associated with higher revictimization risk (1.29 increase in the likelihood of Time 2 physical IPV with one SD increase in disengagement coping) and engagement coping was associated with lower revictimization risk (1.30 decrease in the likelihood of Time 2 physical IPV with one SD increase in engagement coping). The current findings suggest that coping strategies are important and potentially malleable predictors of physical IPV revictimization.

Traditional and Simplified Chinese Abstracts by AsianSTSS

標題:親密伴侣暴力的再受害的預知因素:獨特PTSD症狀,解離現象和應對方式的相對影響

撮要:在伴侶暴力(IPV)後心理困擾和應對方式可能影響倖存者的未來IPV風險。在近期受虐婦女中,我們的前膽性硏究對IPV再受害的獨特PTSD症狀(再經歷,迴避,麻木,和過度覺醒),解離現象,和應對策略(交往和分離應對)作檢視。樣本是尋求IPV服務和在最近2週到6個月經歷最近的身體IPV的婦女(N=69),她們要完成身體IPV,心理困擾和應對策略的評估(分別在基綫和6個月後隨訪),平均為36歲及有67%為美籍非洲人。個別Poisson回歸分析揭示PTSD過度覺醒症狀、解離、交往應對和分離應對都在半年後隨訪中分別統計上有效預測身體IPV再受害(有效值為1.20-1.34增加時間2身體IPV的可能性,和預知因素的1 SD增加)。在單一Poisson回歸模型內檢視這些預知因素,只有交往和分離應對能預測身體IPV再受害,而分離應對有較高再受害風險(時間2身體IPV有1.29倍增長和1 SD增長),但交往應對則與較低再受害風險(時間2身體IPV有1.30倍減少和1 SD增加)。結果展示應對策略是身體IPV的重要和可塑的預知因素。

标题:亲密伴侣暴力的再受害的预知因素:独特PTSD症状,解离现象和应对方式的相对影响

撮要:在伴侣暴力(IPV)后心理困扰和应对方式可能影响幸存者的未来IPV风险。在近期受虐妇女中,我们的前胆性硏究对IPV再受害的独特PTSD症状(再经历,回避,麻木,和过度觉醒),解离现象,和应对策略(交往和分离应对)作检视。样本是寻求IPV服务和在最近2周到6个月经历最近的身体IPV的妇女(N=69),她们要完成身体IPV,心理困扰和应对策略的评估(分别在基线和6个月后随访),平均为36岁及有67%为美籍非洲人。个别Poisson回归分析揭示PTSD过度觉醒症状、解离、交往应对和分离应对都在半年后随访中分别统计上有效预测身体IPV再受害(有效值为1.20-1.34增加时间2身体IPV的可能性,和预知因素的1 SD增加)。在单一Poisson回归模型内检视这些预知因素,只有交往和分离应对能预测身体IPV再受害,而分离应对有较高再受害风险(时间2身体IPV有1.29倍增长和1 SD增长),但交往应对则与较低再受害风险(时间2身体IPV有1.30倍减少和1 SD增加)。结果展示应对策略是身体IPV的重要和可塑的预知因素。

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