Translation and validation of the Chinese ICD-11 International Trauma Questionnaire (ITQ) for the Assessment of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD)

Ho, Grace W. K.; Karatzias, Thanos; Cloitre, Marylene; Chan, Athena C. Y.; Bressington, Daniel; Chien, Wai Tong; Hyland, Philip; Shevlin, Mark

Abstract

Two stress related disorders have been proposed for inclusion in the revised ICD11: Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). The International Trauma Questionnaire (ITQ) is a bespoke measure of PTSD and CPTSD, and has been widely used in English speaking countries. Objective. The primary aim of this study was to develop a Chinese version of the ITQ and assess its content, construct, and concurrent validity. Methods. Six mental health practitioners and experts rated the Chinese translated and back-translated items to assess content validity. A sample of 423 Chinese young adults completed the ITQ, the WHO Adverse Childhood Experiences International Questionnaire, and the Hospital Anxiety and Depression Scale. Among them, 31 participants also completed the English and Chinese versions of the ITQ administered in random order at retest. Four alternative confirmatory factor analysis models were tested using data from participants who reported at least one adverse childhood experience (ACE; N=314). Results. The Chinese ITQ received excellent ratings on relevance and appropriateness. Test-retest reliability and semantic equivalence across English and Chinese versions were acceptable. The correlated first-order six-factor model and a second-order twofactor (PTSD and DSO) both provided acceptable model fit. The six ITQ symptoms clusters were all significantly correlated with anxiety, depression, and number of ACEs. Conclusions. The Chinese ITQ generates scores with acceptable psychometric properties and provides evidence for including PTSD and CPTSD as separate diagnoses in ICD-11.

Citation

Ho, G. W. . K., Karatzias, T., Cloitre, M., Chan, A. C. Y., Bressington, D., Chien, W. T., …Shevlin, M. (2019). Translation and validation of the Chinese ICD-11 International Trauma Questionnaire (ITQ) for the Assessment of Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). European Journal of Psychotraumatology, 10(1), https://doi.org/10.1080/20008198.2019.1608718

• Journal Article Type: Article
• Acceptance Date: Apr 9, 2019
• Online Publication Date: May 15, 2019
• Publication Date: 2019-06
• Deposit Date: Apr 9, 2019
• Publicly Available Date: May 15, 2019
• Journal: European Journal of Psychotraumatology
• Print ISSN: 2000-8198
• Electronic ISSN: 2000-8066
• Publisher: Co-Action Publishing
• Peer Reviewed: Peer Reviewed
• Volume: 10
• Issue: 1
• DOI: https://doi.org/10.1080/20008198.2019.1608718
• Keywords: PTSD, Complex PTSD, ICD-11 Trauma Questionnaire, Chinese, trauma
• Public URL: http://researchrepository.napier.ac.uk/Output/1717934