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    The complexity of trauma exposure and response; profiling PTSD and CPTSD among a refugee sample.


    Frost, Rachel and Hyland, Philip and McCarthy, Angela and Halpin, Rory and Shevlin, Mark and Murphy, Jamie (2019) The complexity of trauma exposure and response; profiling PTSD and CPTSD among a refugee sample. Psychological Trauma: Theory, Research, Practice, and Policy, 11 (2). pp. 165-175. ISSN 1942-9681

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    Abstract

    Objective: This study investigated the latent dimensional and categorical structure of ICD-11 Complex Posttraumatic Stress Disorder (CPTSD) within a refugee sample. Method: A subsample that identified as refugee (n = 308) was selected from the National Epidemiological Survey on Alcohol and Related Conditions (NESARC-II). Factor Mixture Modelling (FMM) was employed to establish the dimensional structure of CPTSD symptomology and the categorical distribution of these dimensions. It was then evaluated whether trauma history could differentiate between the distribution of trauma response profiles. Results: A correlated six-factor model with five latent classes was the best fitting model. Two classes were characterised by symptom profiles that were consistent with ICD-11 CPTSD and PTSD formulations. The remaining classes were characterised by non-specific variation across dimensions. CPTSD class membership was predicted by traumas that were predominantly interpersonal in nature (serious neglect, physical assault and sexual assault) while PTSD class membership was predicted by situational traumatic experiences (unarmed civilian in a conflict environment and a serious accident). A distinct dose response effect was evident between cumulative traumatic exposure and CPTSD class membership. Conclusion: FMM class profiles distinguished between PTSD and CPTSD symptom formulations. Moreover, class membership was determined by specific trauma exposure histories.

    Item Type: Article
    Additional Information: This is the preprint version of the published article, which is available at: Frost, R., Hyland, P., McCarthy, A., Halpin, R., Shevlin, M., & Murphy, J. (2019). The complexity of trauma exposure and response: Profiling PTSD and CPTSD among a refugee sample. Psychological Trauma: Theory, Research, Practice, and Policy, 11(2), 165–175. https://doi.org/10.1037/tra0000408
    Keywords: refugee; post-traumatic stress; complex posttraumatic stress; ICD-11;
    Academic Unit: Faculty of Science and Engineering > Psychology
    Item ID: 13303
    Identification Number: https://doi.org/10.1037/tra0000408
    Depositing User: Philip Hyland
    Date Deposited: 25 Sep 2020 15:09
    Journal or Publication Title: Psychological Trauma: Theory, Research, Practice, and Policy
    Publisher: American Psychological Association
    Refereed: Yes
    URI:

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