• Dean P McKenzie, Malcolm R Sim, David M Clarke, Andrew B Forbes, Jillian F Ikin, and Helen L Kelsall.
• Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia; Centre for Adolescent Health, Murdoch Childrens Research Institute, Royal Children's Hospital, Melbourne, Australia. Electronic address: dean.mckenzie@monash.edu.au.
• J Psychosom Res. 2015 Dec 1; 79 (6): 566-73.

ObjectiveMajor depression occurs frequently in veterans, and is associated with comorbid psychological and physical disorders and poorer quality of life. Depression can be difficult to detect in primary care, while lengthy assessment instruments can deter use. Our study aimed to develop a brief depression screen that could be used by veterans and caregivers, and then to compare the association between the brief screen and comorbidities and quality of life with that of a longer instrument.MethodsOur dataset comprised 1204 male Royal Australian Navy veterans of the 1990/91 Gulf War. Depressive symptoms were assessed using the General Health Questionnaire (GHQ-12), health-related quality of life by the Short-Form Health Survey (SF-12), major depression and comorbid psychiatric diagnoses such as posttraumatic disorder (PTSD) using Diagnostic and Statistical Manual (DSM-IV) criteria. Comorbid physical illnesses including musculoskeletal disorders, chronic fatigue and diabetes were examined.ResultsA brief depression screen of three key self-reported symptoms was identified. Veterans with major depression present according to the screen were over four times more likely to have multisymptom illness or PTSD, and almost twice as likely to have musculoskeletal disorders. Having depression according to the brief screen and having at least one other physical or psychological condition was associated with poorer quality of life. Similar results were obtained for a longer screen based on all GHQ-12 items.ConclusionA 3 item depression screen performed as well as a 12 item one in identifying major depression, comorbid physical and psychological illness and poorer quality of life in veterans.Copyright © 2015 The Authors. Published by Elsevier Inc. All rights reserved.

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