The relationship between rumination, PTSD, and depression symptoms

Michelle E. Roley, Meredith A. Claycomb, Ateka A. Contractor, Paula Dranger, Cherie Armour, Jon D. Elhai*

*Corresponding author for this work

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Background Posttraumatic stress disorder (PTSD) and major depressive disorder (MDD) are highly comorbid (Elhai et al.; 2008. J. Clin. Psychiatry, 69, (4), 597-602). Rumination is a cognitive mechanism found to exacerbate and maintain both PTSD and MDD (Elwood et al.; 2009. Clin. Psychol. Rev. 29, (1), 87-100; Olatunji et al.; 2013. Clin. Psychol.: Sci. Pract. 20, (3), 225-257). Aims Assess whether four rumination subtypes moderate the relationship between comorbid PTSD and MDD symptoms. Method We consecutively sampled patients (N=45) presenting to a mental health clinic using self-report measures of PTSD and MDD symptoms, and rumination in a cross-sectional design. Results Repetitive rumination moderates the relationship between PTSD and MDD symptoms at one standard deviation above the mean (β=.044, p=.016), while anticipatory rumination moderates the relationship between PTSD and MDD symptoms at mean levels and higher levels of anticipatory rumination (mean β=.030, p=.042; higher β=.060, p=.008). Discussion Repetitive and anticipatory rumination should be assessed in the context of comorbid PTSD and MDD and interventions should focus on reducing these rumination subtypes. Limitations Results should be replicated with other trauma populations because the number and complexity of traumatic events may impact the assessed symptoms. Constructs should also be assessed longitudinally, in order to establish causality. We are unable to confirm why rumination styles moderated the relationship between PTSD and depression or why counterfactual thinking and problem-focused thinking did not moderate the relationship between the two constructs.

Original languageEnglish
Pages (from-to)116-121
Number of pages6
JournalJournal of Affective Disorders
Volume180
DOIs
Publication statusPublished - 15 Jul 2015
Externally publishedYes

Keywords

  • Abuse/maltreatment/neglect
  • Cognition
  • Depression-PTSD
  • Trauma

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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