The structure of acute posttraumatic stress symptoms: 'reexperiencing', 'active avoidance', 'dysphoria', and 'hyperarousal'.

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Title:	The structure of acute posttraumatic stress symptoms: 'reexperiencing', 'active avoidance', 'dysphoria', and 'hyperarousal'.
Author(s):	Olff, M.; Sijbrandij, M. ; Opmeer, B.C.; Carlier, I.V.; Gersons, B.P.
Publication year:	2009
Source:	Journal of Anxiety Disorders, vol. 23, iss. 5, (2009), pp. 656-659
ISSN:	0887-6185
DOI:	https://doi.org/10.1016/j.janxdis.2009.02.003
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/77241
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Subject:	NCEBP 7: Effective primary care and public health
Organization:	Primary and Community Care
Journal title:	Journal of Anxiety Disorders
Volume:	vol. 23
Issue:	iss. 5
Page start:	p. 656
Page end:	p. 659
Abstract:	Empirical data have challenged chronic posttraumatic stress disorder (PTSD) consisting of three dimensions. In the present study we aimed to determine the factor structure of acute posttraumatic symptoms in two recently traumatized samples. In sample 1, 203 civilian trauma survivors were administered the Davidson Trauma Scale (DTS) approximately 1 week posttrauma. In sample 2, 182 civilian treatment seeking trauma survivors completed the DTS at an average of 41.4 days posttrauma. Our confirmatory factor analyses indicated that a 4-factor intercorrelated model provided the best representation of the data in both samples. The four factors are best described as reexperiencing, active avoidance, dysphoria, and hyperarousal. For acute posttraumatic symptoms, the empirical data suggest to split the avoidance cluster into 'Active avoidance' and 'Dysphoria'-confirming findings in studies on chronic PTSD. In future revisions of the DSM, the diagnostic criteria for PTSD may need to be adapted to fit the research findings.