Trajectories of traumatic stress symptoms during conflict: A latent class growth analysis

T. Greene, M. Gelkopf, S. Grinapol, N. Werbeloff, E. Carlson, L. Lapid

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Background The ways in which traumatic stress symptoms unfold under situations of ongoing threat and trauma exposure are poorly understood. The current study aims to identify traumatic stress symptom trajectories during conflict, as well as potential risk factors. Methods Experience sampling methods were used to study traumatic stress symptoms during the 2014 Israel-Gaza conflict in 100 Israeli civilians exposed to rocket fire. Summary reports of traumatic symptoms were made twice-daily for 30 days via mobile phone. Results Latent class growth analysis revealed four distinct classes (low, reducing, moderate, and high) characterised by their trajectory of traumatic stress symptoms during the conflict. Female gender, not being in a relationship, and higher prior trauma exposure were identified as potential risk factors. Limitations Data were not collected in the early phase of the conflict, the sample was relatively small, and only traumatic stress symptoms were investigated as outcomes. Conclusions This study identified heterogeneous traumatic stress symptom trajectories among civilians during a conflict, with different subgroups showing distinct response patterns over time, associated with various risk factors. Investigating responses to ongoing trauma, and identifying predictors of different stress symptom trajectories has clinical implications for the targeted delivery of interventions. Further exploration of heterogeneous trajectories could potentially elucidate mechanisms that drive resilience and recovery, including in situations of ongoing exposure such as during conflict.

Original languageEnglish
Pages (from-to)24-30
Number of pages7
JournalJournal of Affective Disorders
Volume220
DOIs
StatePublished - 1 Oct 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.

Keywords

  • Ambulatory assessment
  • Experience sampling method
  • Heterogeneity
  • Latent class growth analysis
  • PTSD
  • War

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