TY  - JOUR
PY  - 2005//
TI  - Factor structure of posttraumatic stress among Western New York undergraduates following the September 11th terrorist attack on the World Trade Center
JO  - Journal of Traumatic Stress
A1  - Baschnagel, Joseph S.
A1  - O'Connor, Roisin M.
A1  - Colder, Craig R.
A1  - Hawk, Larry W.
SP  - 677
EP  - 684
VL  - 18
IS  - 6
N2  - The structure of posttraumatic stress is of both theoretical and clinical interest. In the present study, seven models of posttraumatic stress were compared using confirmatory factor analysis. A sample of 528 Western New York undergraduate students was assessed 1 and 3 months after the September 11th, 2001 terrorist attacks. At the Month 1 assessment, the current three-factor Diagnostic and Statistical Manual of Mental Disorders (DSM-IV; American Psychiatric Association, 1994) model, which consists of Intrusions, Avoidance/Numbing, and Hyperarousal, did not provide a good fit to the data; however, a four-factor model consisting of factors labeled Intrusions, Avoidance, Dysphoria, and Hyperarousal did fit the data well and provided better fit than the three-factor model and other competing models. Importantly, Dysphoria spans symptoms from the traditional DSM Numbing and Hyperarousal clusters. The four-factor model continued to fit the data well at Month 3. These findings parallel the results of earlier studies which suggest that a four-factor model better reflects the nature of posttraumatic stress than do simpler models, including the DSM. The present work is consistent with a dimensional model of stress responses and calls for further longitudinal work in this area.<p /> <p>Language: en</p>
LA  - en
SN  - 0894-9867
UR  - http://dx.doi.org/10.1002/jts.20076
ID  - ref1
ER  -