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Identifying latent profiles of posttraumatic stress and major depression symptoms in Canadian veterans: Exploring differences across profiles in health related functioning

Armour, Cherie, Contractor, Ateka, Elhai, Jon D., Stringer, Maurice, Lyle, Gary, Forbes, David and Richardson, J. Don (2015) Identifying latent profiles of posttraumatic stress and major depression symptoms in Canadian veterans: Exploring differences across profiles in health related functioning. Psychiatry Research, 228 (1). pp. 1-7. [Journal article]

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URL: http://dx.doi.org/10.1016/j.psychres.2015.03.011

DOI: doi:10.1016/j.psychres.2015.03.011

Abstract

Posttraumatic stress disorder (PTSD) has been consistently reported as being highly comorbid with major depressive disorder (MDD) and as being associated with health related functional impairment (HRF). We used archival data from 283 previously war-zone deployed Canadian veterans. Latent profile analysis (LPA) was used to uncover patterns of PTSD and MDD comorbidity as measured via the PTSD Checklist-Military version (PCL-M) and the Patient Health Questionnaire-9 (PHQ-9). Individual membership of latent classes was used in a series of one-way ANOVAs to ascertain group differences related to HRF as measured via the Short-Form-36 Health Survey (SF-36). LPA resulted in three discrete patterns of PTSD and MDD comorbidity which were characterized by high symptoms of PTSD and MDD, moderate symptoms, and low symptoms. All ANOVAs comparing class membership on the SF-36 subscales were statistically significant demonstrating group differences across levels of HRF. The group with the highest symptoms reported the worst HRF followed by the medium and low symptom groups. These findings are clinically relevant as they demonstrate the need for continual assessment and targeted treatment of co-occurring PTSD and MDD.

Item Type:Journal article
Keywords:Posttraumatic stress disorder; Depression; Latent modeling; Veterans; Health related functioning
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Psychology
Research Institutes and Groups:Psychology Research Institute > Population Health Sciences and Mental Health Services
Psychology Research Institute
ID Code:33154
Deposited By: Prof Cherie Armour
Deposited On:08 Mar 2016 16:31
Last Modified:08 Mar 2016 16:31

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