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Journal Article

Citation

Clarke PM, Gregory R, Salomon JA. Med. Care. 2015; 53(5): 401-408.

Affiliation

*Centre for Health Policy, School of Population and Global Health, University of Melbourne, Melbourne, VIC †Research School of Economics, Australian National University, Canberra, ACT, Australia ‡Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA.

Copyright

(Copyright © 2015, American Public Health Association, Publisher Lippincott Williams and Wilkins)

DOI

10.1097/MLR.0000000000000336

PMID

25768060

Abstract

BACKGROUND: Recent combat operations have involved large numbers of personnel. Long-term health effects of military deployment remain largely unknown.

OBJECTIVES: To examine patterns and trends in long-term disability among combat veterans and to relate disability to aspects of wartime experience. PARTICIPANTS: A total of 60,228 Australian military personnel deployed between 1962 and 1975 during the Vietnam War, and 82,877 military personnel who were not deployed overseas. OUTCOME MEASURES: Accepted physician-assessed disability claims were evaluated over follow-up periods up to 50 years after deployment, and compared with age-matched controls. Multivariable analysis was used to examine differences by service branch, rank, age, and deployment duration.

RESULTS: The steepest rise in disability incidence was observed among Vietnam veterans starting in the 1990s, around 20-30 years after deployment for most veterans. After 1994, when Statements of Principles were introduced to guide evaluation of disability claims, the hazard ratio for disability incidence was 1.53 (95% confidence interval, 1.32-1.77) compared with the prior period. By January 2011, after an average follow-up of 42.5 years, 69.7% (95% confidence interval, 69.4%-70.1%) of veterans had at least 1 war-related disability. Many veterans had multiple disabilities, with leading causes being eye and ear disorders (48.0%), mental health conditions (47.9%), and musculoskeletal disorders (18.4%). For specific categories of disability, relative risks for accepted claims among veterans compared with controls were highest for mental health disorders, at 22.9 (21.9-24.0) and lowest for injuries, at 1.5 (1.4-1.6) with a relative risk for any disability of 3.7 (3.7-3.8). Veterans with service of >1 year were 2.5 (2.2-2.7) times more likely to have a mental health disability than those who served <100 days, and 2.3 (2.1-2.5) times more likely to have other disabilities.

CONCLUSIONS: Long-term effects of deployment into military conflicts are substantial, and likelihood of war-related disability is associated with service history. If similar patterns follow from more recent conflicts, significant additional resources will be needed to prevent and treat long-term health conditions among veterans.This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivitives 3.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/3.0.


Language: en

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