Confirmatory factor analysis of posttraumatic stress symptoms in emergency personnel: An examination of seven alternative models

L Andrews, S Joseph, Mark Shevlin, N Troop

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Recent studies into the underlying factor structure of posttraumatic stress symptoms often report factor structures that do not replicate the three symptom cluster of re-experiencing, avoidance and arousal symptoms as classified within the Diagnostic and Statistical Manual of Mental disorders (American Psychiatric Association, 1994, 2000). Data from 485 emergency service personnel who had experienced an occupational trauma were submitted to confirmatory factor analysis to test seven alternative factor models of posttraumatic stress symptoms. This study is one of the most comprehensive structural analyses of posttrauma symptoms to date. The model of best fit comprised four first-order factors including intrusion, avoidance, numbing and arousal alongside a general PTSD factor. This study highlighted the difference between the current DSM symptom groupings and those derived empirically. (c) 2006 Elsevier Ltd. All rights reserved.
LanguageEnglish
Pages213-224
JournalPersonality and Individual Differences
Volume41
Issue number2
DOIs
Publication statusPublished - Jul 2006

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Arousal
Statistical Factor Analysis
Emergencies
Post-Traumatic Stress Disorders
Diagnostic and Statistical Manual of Mental Disorders
Wounds and Injuries

Cite this

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Confirmatory factor analysis of posttraumatic stress symptoms in emergency personnel: An examination of seven alternative models. / Andrews, L; Joseph, S; Shevlin, Mark; Troop, N.

In: Personality and Individual Differences, Vol. 41, No. 2, 07.2006, p. 213-224.

Research output: Contribution to journalArticle

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