Kazlauskas, Evaldas and Zelviene, Paulina and Daniunaite, Ieva and Hyland, Philip and Kvedaraite, Monika and Shevlin, Mark and Cloitre, Marylene (2020) The structure of ICD-11 PTSD and Complex PTSD in adolescents exposed to potentially traumatic experiences. Journal of Affective Disorders (265). pp. 169-174. ISSN 0165-0327

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Abstract

Background: The recently released 11th edition of International Classification of Diseases (ICD-11) included new definitions of disorders specifically associated with stress. Complex post-traumatic stress disorder (CPTSD) was included in ICD-11 as a new trauma-related disorder which could develop following prolonged or reoccurring traumatic experiences. Research on ICD-11 PTSD and CPTSD validity and epidemiology has, so far, mostly been conducted in adult population. This is the first study to explore the construct validity of the Child and Adolescent version of International Trauma Questionnaire (ITQ-CA) as a measure of ICD-11 CPTSD symptoms. Methods: The study was based on a sample of 932 adolescents from the general population aged 12–16 (M = 14.25, SD = 1.27) years exposed to various traumatic experiences. We used confirmatory factor analysis (CFA) and latent class analysis (LCA) to test validity of the ITQ-CA scores from adolescents. Results: The best fitting measurement model included six correlated factors representing the three PTSD and three DSO symptom clusters. LCA analysis revealed four classes whose symptom profiles were reflective of ‘CPTSD’, ‘PTSD’, ‘DSO only’, and ‘Baseline’. Conclusions: Findings of the study provide support for the construct validity of the ICD-11 PTSD and CPTSD among adolescents

Item Type:	Article
Keywords:	ICD-11; PTSD; complex PTSD; latent class analysis; validation;
Academic Unit:	Assisting Living & Learning,ALL institute
Item ID:	16403
Identification Number:	https://doi.org/10.1016/j.jad.2020.01.061
Depositing User:	Philip Hyland
Date Deposited:	12 Aug 2022 13:24
Journal or Publication Title:	Journal of Affective Disorders
Publisher:	Elsevier
Refereed:	Yes
Funders:	This project has received funding from European Social Fund (project No 09.3.3-LMT-K-712-02-0096) under grant agreement with the Research Council of Lithuania (LMTLT).
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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