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    Hyperactivation and hypoactivation affective dysregulation symptoms are integral in complex posttraumatic stress disorder: Results from a nonclinical Israeli sample.


    Karatzias, Thanos and Hyland, Philip and Ben-Ezra, Menachem and Shevlin, Mark (2018) Hyperactivation and hypoactivation affective dysregulation symptoms are integral in complex posttraumatic stress disorder: Results from a nonclinical Israeli sample. International Journal of Methods in Psychiatric Research, 27. ISSN 1049-8931

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    Abstract

    Objectives: The current study sought to further assess the nature of the affect dysregulation (AD) cluster of the International Classification of Diseases‐11 (ICD‐11) proposal for complex posttraumatic stress disorder (CPTSD) in a nonclinical sample. Methods: An online survey sample from Israel (n = 618) completed a disorder‐ specific measure (International Trauma Questionnaire) of PTSD and CPTSD along with the Life Events Checklist and the World Health Organization Well‐Being Index. Results: Estimated prevalence rates of PTSD and CPTSD were 9.2% and 1.0%, respectively. Confirmatory factor analysis results indicated that AD symptoms are better conceived as two correlated dimensions of hyperactivation and hypoactivation symptoms. Latent class analysis results indicated that CPTSD was clearly distinguishable from PTSD. CPTSD class membership was associated with higher levels of traumatization and poorer psychological well‐being scores. Conclusions: Findings support the discriminant validity of the ICD‐11 proposals for PTSD and CPTSD in a nonclinical sample using a disorder‐specific measure. The results provide further evidence that the final symptom profile for CPTSD in ICD‐11 should model the AD cluster using both hyperactivation and hypoactivation symptoms.

    Item Type: Article
    Keywords: affective dysregulation; complex PTSD; ICD‐11; PTSD;
    Academic Unit: Faculty of Science and Engineering > Psychology
    Item ID: 13290
    Identification Number: https://doi.org/10.1002/mpr.1745
    Depositing User: Philip Hyland
    Date Deposited: 25 Sep 2020 14:26
    Journal or Publication Title: International Journal of Methods in Psychiatric Research
    Publisher: John Wiley & Sons Ltd
    Refereed: Yes
    URI:
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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