Long-term Disability Associated With War-related Experience Among Vietnam Veterans: Retrospective Cohort Study
Clarke, Philip M.
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CitationClarke, Philip M., Robert Gregory, and Joshua A. Salomon. 2015. “Long-term Disability Associated With War-related Experience Among Vietnam Veterans: Retrospective Cohort Study.” Medical Care 53 (5): 401-408. doi:10.1097/MLR.0000000000000336. http://dx.doi.org/10.1097/MLR.0000000000000336.
AbstractBackground: 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.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:15034824
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