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Prolonged grief and posttraumatic stress disorder following the loss of a significant other: An investigation of cognitive and behavioural differences

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  • Kirsten V Smith
  • Anke Ehlers

Abstract

Background: Cognitive behavioural correlates to bereavement-related mental health problems such a Prolonged Grief Disorder (PGD) and Posttraumatic Stress Disorder (PTSD) are of theoretical and clinical importance. Methods: Individuals bereaved at least six months (N = 647) completed measures of loss-related cognitions and behaviours (i.e., loss-related memory characteristics, negative appraisals, coping strategies, grief resilience, and perceived social disconnection) and measures of PGD and PTSD symptoms. Individuals were assigned to one of four groups depending on probable clinical diagnoses (No-PGD/PTSD, PTSD, PGD, PGD+PTSD). Results: Results indicated that higher loss-related memory characteristics and lower grief resilience increased the likelihood of a clinical problem. The PGD and PGD+PTSD groups reported significantly higher loss-related memory characteristics and appraisals compared to the PTSD group. Social disconnection increased the likelihood of comorbid PGD+PTSD in comparison to any other group. Conclusions: Results indicate cognitive differences between loss-related cognitions, memory characteristics and coping strategies between PGD and PTSD, and points to distinct cognitive correlates to psychopathology following loss.

Suggested Citation

  • Kirsten V Smith & Anke Ehlers, 2021. "Prolonged grief and posttraumatic stress disorder following the loss of a significant other: An investigation of cognitive and behavioural differences," PLOS ONE, Public Library of Science, vol. 16(4), pages 1-18, April.
    • Handle: RePEc:plo:pone00:0248852
    DOI: 10.1371/journal.pone.0248852
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    References listed on IDEAS

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    1. van der Houwen, Karolijne & Stroebe, Margaret & Schut, Henk & Stroebe, Wolfgang & Bout, Jan van den, 2010. "Mediating processes in bereavement: The role of rumination, threatening grief interpretations, and deliberate grief avoidance," Social Science & Medicine, Elsevier, vol. 71(9), pages 1669-1676, November.
    2. Holly G Prigerson & Mardi J Horowitz & Selby C Jacobs & Colin M Parkes & Mihaela Aslan & Karl Goodkin & Beverley Raphael & Samuel J Marwit & Camille Wortman & Robert A Neimeyer & George Bonanno & Susa, 2009. "Prolonged Grief Disorder: Psychometric Validation of Criteria Proposed for DSM-V and ICD-11," PLOS Medicine, Public Library of Science, vol. 6(8), pages 1-12, August.
    3. J. Scott Long & Jeremy Freese, 2006. "Regression Models for Categorical Dependent Variables using Stata, 2nd Edition," Stata Press books, StataCorp LP, edition 2, number long2, March.
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