Longitudinal associations between post-traumatic distress and depressive symptoms following a traumatic event: A test of three models

I. Schindel-Allon, I. M. Aderka, G. Shahar, M. Stein, E. Gilboa-Schechtman

Research output: Contribution to journalArticlepeer-review

Abstract

Background Symptoms of post-traumatic stress disorder (PTSD) and depression are highly co-morbid following a traumatic event. Nevertheless, decisive evidence regarding the direction of the relationship between these clinical entities is missing.Method The aim of the present study was to examine the nature of this relationship by comparing a synchronous change model (PTSD and depression are time synchronous, possibly stemming from a third common factor) with a demoralization model (i.e. PTSD symptoms causing depression) and a depressogenic model (i.e. depressive symptoms causing PTSD symptoms). Israeli adult victims of single-event traumas (n=156) were assessed on measures of PTSD and depression at 2, 4 and 12 weeks post-event.Results A cross-lagged structural equation modeling (SEM) analysis provided results consistent with the synchronous change model and the depressogenic model.Conclusions Depressive symptoms may play an important role in the development of post-traumatic symptoms.

Original languageEnglish
Pages (from-to)1669-1678
Number of pages10
JournalPsychological Medicine
Volume40
Issue number10
DOIs
StatePublished - Oct 2010
Externally publishedYes

Keywords

  • Depression
  • longitudinal
  • post-traumatic stress disorder
  • trauma

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Applied Psychology

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