4.2 Article

Disability and Mental Disorders in the Canadian Armed Forces

Publisher

SAGE PUBLICATIONS INC
DOI: 10.1177/0706743716628853

Keywords

mental disorders; disability; military; World Health Organization Disability Assessment Schedule

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Funding

  1. Department of National Defence (Canada)

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Objectives: The initial goal was to validate the use of a self-report measure of disability in the Canadian Armed Forces (CAF). The main goal was to document the extent of disability in personnel with and without mental disorders. Methods: Data were obtained from the 2013 Canadian Forces Mental Health Survey; the sample included 6700 Regular Forces personnel. Disability was measured with the 12-item version of the World Health Organization Disability Assessment Schedule (WHODAS-2); established cut points were used to demarcate severe, moderate, minimal, and no disability. The following recent (past-year) and remote (lifetime but not past-year) disorders were assessed with diagnostic interviews: posttraumatic stress disorder, major depressive episode, generalized anxiety disorder, panic disorder, and alcohol use disorder. Results: The WHODAS-2 showed good internal consistency ( = 0.89) and a 1-factor structure. Most personnel had no disability (59.2%) or minimal disability (30.8%). However, an important minority had moderate or severe disability (8.4% and 1.6%, respectively). Individuals with recent disorders reported greater disability than those without lifetime disorders, although many had minimal or no disability (41.2% and 24.7%, respectively). Disability increased with the number of recent disorders. Relative to those without lifetime disorders, individuals with remote disorders showed slightly greater disability, but most had no disabilty (57.1%) or minimal disability (35.0%). Conclusions: The 12-item WHODAS-2 is a valid measure of disability in the CAF. Mental disorders may be important drivers of disability in this population, although limited residual disability is seen in individuals with remote disorders. Objectif: L'objectif initial etait de valider l'utilisation d'un instrument d'auto-evaluation d'invalidite dans les Forces armees canadiennes (FAC). Le but principal etait de documenter l'etendue de l'invalidite chez le personnel avec et sans troubles mentaux. Methode: Les donnees ont ete obtenues de l'Enquete sur la sante mentale des Forces armees canadiennes de 2013; l'echantillon comprenait 6 700 membres de la Force reguliere. L'invalidite etait mesuree par la version en 12 items du WHODAS-2; des points de decoupage etablis ont servi a demarquer l'invalidite grave, moderee, minimale et nulle. Les troubles suivants recents (l'annee precedente) et distants (de duree de vie mais pas l'annee precedente) ont ete evalues par des entrevues diagnostiques : trouble de stress post-traumatique, episode de depression majeure, trouble d'anxiete generalisee, trouble panique, et trouble lie a l'alcool. Resultats: Le WHODAS-2 a revele une bonne cohesion interne ( = 0,89) et une structure unifactorielle. Pour la plupart, le personnel n'avait pas d'invalidite (59,2 %) ou une invalidite minimale (30,8 %). Cependant, une importante minorite avait une invalidite moderee ou grave (8,4 % et 1,6 %, respectivement). Les personnes ayant des troubles recents ont declare une plus grande invalidite que ceux n'ayant pas de troubles de duree de vie, meme si beaucoup avaient une invalidite minimale ou nulle (41,2 % et 24,7 %, respectivement). L'invalidite augmentait avec le nombre de troubles recents. Relativement a ceux n'ayant pas de troubles de duree de vie, ceux ayant des troubles distants indiquaient une invalidite legerement plus elevee, mais la plupart n'avait pas d'invalidite (57,1 %) ou une invalidite minimale (35,0 %). Conclusions: Le WHODAS-2 en 12 items est une mesure valide de l'invalidite dans les FAC. Les troubles mentaux peuvent etre d'importants facteurs d'invalidite dans cette population, bien qu'une invalidite residuelle limitee s'observe chez ceux ayant des troubles distants.

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