Karatzias, Thanos and Shevlin, Mark and Hyland, Philip and Fyvie, Claire and Grandison, Graeme and Ben-Ezra, Menachem (2021) ICD-11 posttraumatic stress disorder, complex PTSD and adjustment disorder: the importance of stressors and traumatic life events. Anxiety, Stress, & Coping, 34 (2). pp. 191-202. ISSN 1061-5806

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Abstract

Background: Although ICD-11 adjustment (AjD), posttraumatic stress (PTSD) and complex posttraumatic stress (CPTSD) are commonly diagnosed disorders following exposure to stressful or traumatic life events, their dimensional structure and co-occurrence has never been tested in a single study. The present study explored the latent structure of AjD, PTSD, and CPTSD symptoms and their relationship to stressful and traumatic life events to determine the degree of distinctiveness between these constructs. Methods: Participants were clinical patients (N = 331) who completed self-report measures of stressful and traumatic life events, AjD (The Adjustment Disorder – New Module 8 (ADNM-8)) and PTSD / CPTSD (The International Trauma Questionnaire – ITQ). Results: Using confirmatory factor analysis, a second-order model comprised of correlated latent variables of AjD, PTSD, and CPTSD provided the best fit of the data. It was also found that stressors and traumatic life events were positively associated with all of these conditions although childhood trauma was only associated with CPTSD. Conclusions: The current findings support the ICD-11 model of related-but-distinct stress-related disorders. We discuss the existence of a stress-response continuum and how the current findings impact the development of clinical interventions that may be shared across, or unique to, each stress-related disorder.

Item Type:	Article
Additional Information:	Cite as: Thanos Karatzias, Mark Shevlin, Philip Hyland, Claire Fyvie, Graeme Grandison & Menachem Ben-Ezra (2021) ICD-11 posttraumatic stress disorder, complex PTSD and adjustment disorder: the importance of stressors and traumatic life events, Anxiety, Stress & Coping, 34:2, 191-202, DOI: 10.1080/10615806.2020.1803006 Copyright: 12 Months
Keywords:	Adjustment Disorder; Complex PTSD; PTSD; stressors; traumatic events;
Academic Unit:	Assisting Living & Learning,ALL institute Faculty of Science and Engineering > Psychology
Item ID:	16513
Identification Number:	https://doi.org/10.1080/10615806.2020.1803006
Depositing User:	Philip Hyland
Date Deposited:	14 Sep 2022 09:05
Journal or Publication Title:	Anxiety, Stress, & Coping
Publisher:	Taylor & Francis online
Refereed:	Yes
URI:	Publisher
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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