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    Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination

    Ho, Grace W. K. and Hyland, Philip and Karatzias, Thanos and Bressington, Daniel and Shevlin, Mark (2021) Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination. European Journal of Psychotraumatology, 12 (1). ISSN 2000-8066

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    Background: Numerous studies found robust associations between psychosis and posttraumatic stress disorder (PTSD), but few have examined the relationships between psychosis and recently formulated ICD-11 Complex PTSD (CPTSD). Further, no known study has examined the effects of different traumatic life events on CPTSD and psychotic-like symptoms in a manner that permits gender-specific effects to be identified. Objective: Using a nationally representative sample of 1,020 Irish adults, we examined gender-differences in (a) psychotic-like symptoms, CPTSD, and exposure to 21 different traumatic life events, and (b) the unique associations between different traumas with CPTSD and Psychosis. Method: Bivariate analyses and structural equation modelling were performed. Results: Consistent with the literature, no gender differences were observed in psychotic-like symptoms. Females reported slightly higher levels of CPTSD and were more likely to be exposed to sexual and emotional abuse, whereas men reported greater exposure to physical violence, accidents, and disasters. Psychosis symptoms were explained by trauma exposure to a considerate degree and at a level similar to CPTSD; a moderate correlation was also found between CPTSD and Psychosis. Physical/emotional neglect was the only traumatic life event that significantly and most strongly predicted both conditions. Two gender-specific associations between different traumatic life events and CPTSD and Psychosis were identified out of the 42 possible effects modelled. Conclusions: The present investigation provides initial evidence that psychotic-like symptoms and CPTSD are moderately correlated constructs in the general population. Results also highlight the importance of conducting a detailed assessment of trauma history for all clients presenting with symptoms of CPTSD, psychosis, or both

    Item Type: Article
    Additional Information: Cite as: Grace W. K. Ho, Philip Hyland, Thanos Karatzias, Daniel Bressington & Mark Shevlin (2021) Traumatic life events as risk factors for psychosis and ICD-11 complex PTSD: a gender-specific examination, European Journal of Psychotraumatology, 12:1, DOI: 10.1080/20008198.2021.2009271
    Keywords: Psychosis; complex PTSD; traumatic life events; structural equation modelling; gender-differences; psychotic-like symptoms;
    Academic Unit: Assisting Living & Learning,ALL institute
    Faculty of Science and Engineering > Psychology
    Item ID: 17064
    Identification Number:
    Depositing User: Philip Hyland
    Date Deposited: 23 Mar 2023 12:20
    Journal or Publication Title: European Journal of Psychotraumatology
    Publisher: Taylor and Francis online
    Refereed: Yes
    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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