Latent structure of the proposed ICD-11 post-traumatic stress disorder symptoms: Implications for the diagnostic algorithm

The latent structure of the proposed ICD-11 post-traumatic stress disorder (PTSD) symptoms has not been explored. To investigate the latent structure of the proposed ICD-11 PTSD symptoms. Confirmatory factor analyses using data from structured clinical interviews administered to injury patients (n =...

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Bibliographic Details
Published in:British journal of psychiatry 2015-03, Vol.206 (3), p.245-251
Main Authors: Forbes, David, Lockwood, Emma, Creamer, Mark, Bryant, Richard A., McFarlane, Alexander C., Silove, Derrick, Nickerson, Angela, O'Donnell, Meaghan
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Algorithms
Australia - epidemiology
Comorbidity
Diagnostic and Statistical Manual of Mental Disorders
Disability Evaluation
Factor Analysis, Statistical
Humans
International Classification of Diseases
Mental Disorders - epidemiology
Middle Aged
Models, Psychological
Quality of Life
Stress Disorders, Post-Traumatic - diagnosis
Stress Disorders, Post-Traumatic - epidemiology
Young Adult
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Summary:The latent structure of the proposed ICD-11 post-traumatic stress disorder (PTSD) symptoms has not been explored. To investigate the latent structure of the proposed ICD-11 PTSD symptoms. Confirmatory factor analyses using data from structured clinical interviews administered to injury patients (n = 613) 6 years post-trauma. Measures of disability and psychological quality of life (QoL) were also administered. Although the three-factor model implied by the ICD-11 diagnostic criteria fit the data well, a two-factor model provided equivalent, if not superior, fit. Whereas diagnostic criteria based on this two-factor model resulted in an increase in PTSD point prevalence (5.1% v. 3.4%; z = 2.32, P
ISSN:0007-1250
1472-1465
DOI:10.1192/bjp.bp.114.150078