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Assessing the underlying dimensionality of DSM-5 PTSD symptoms in Chinese adolescents surviving the 2008 Wenchuan earthquake

Wang, Li, Zhang, Lingmin, Armour, Cherie, Cao, Chengqi, Qing, Yulan, Zhang, Jianxin, Liu, Ping, Zhang, Biao, Wu, Qi, Zhao, Zhihong and Fan, Gaolin (2015) Assessing the underlying dimensionality of DSM-5 PTSD symptoms in Chinese adolescents surviving the 2008 Wenchuan earthquake. Journal of Anxiety Disorders, 31 . pp. 90-97. [Journal article]

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URL: http://dx.doi.org/10.1016/j.janxdis.2015.02.006

DOI: doi:10.1016/j.janxdis.2015.02.006

Abstract

By analyzing data yielded from a sample of Chinese adolescents surviving a high-intensity earthquake, this study investigated the underlying dimensionality of DSM-5 PTSD symptoms. The sample included 743 traumatized middle school students (396 females and 332 males) aged 11–17 years (mean = 13.6, SD = 1.0). Results of confirmatory factor analysis showed that an intercorrelated seven-factor model comprised of intrusion, avoidance, negative affect, anhedonia, externalizing behaviors, anxious arousal, and dysphoric arousal factors provided a significant better representation of DSM-5 PTSD symptoms than other alternative models. Further analyses indicated that external measures of major depression disorder and panic disorder symptoms displayed unique associations with four PTSD factors. The findings provide further support for the newly proposed seven-factor model of DSM-5 PTSD symptoms, add to very limited empirical knowledge on the latent structure of DSM-5 PTSD symptoms among adolescents, and carry implications for further refinement of the current classifications of PTSD symptoms and further clinical practice and research on posttraumatic stress symptomatology.

Item Type:Journal article
Keywords:Posttraumatic stress disorder; DSM-5; Confirmatory factor analysis; Earthquake; China
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Psychology
Research Institutes and Groups:Psychology Research Institute > Population Health Sciences and Mental Health Services
Psychology Research Institute
ID Code:33135
Deposited By: Prof Cherie Armour
Deposited On:08 Mar 2016 16:30
Last Modified:08 Mar 2016 16:30

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