An evaluation of the DSM-5 factor structure for posttraumatic stress disorder in survivors of traumatic injury
David Forbes, Emma Lockwood, Mark Creamer, Mark W Miller, Meaghan O’Donnell
Journal of Anxiety Disorders | Pergamon Press | Published : 2015
Confirmatory factor analytic studies of the latent structure of DSM-5 PTSD symptoms using self-report data (Elhai et al., 2012; Miller et al., 2013) have found that the four-factor model implied by the DSM-5 diagnostic criteria provided adequate fit to their data. However, the fit of this model is yet to be assessed using data derived from gold standard structured interview measures. This study evaluated the fit of the DSM-5 four-factor model and an alternative four-factor model in 570 injury survivors six years post-injury using the Clinician Administered PTSD Scale (Blake et al., 1990), updated to include items measuring new DSM-5 symptoms. While both four-factor models fitted the data wel..View full abstract
Awarded by National Health and Medical Research Council (NHMRC)
This study was supported by a National Health and Medical Research Council (NHMRC) Program Grant (300304).