Veterans and suicide: a reexamination of the National Death Index-linked National Health Interview Survey
- PMID: 22390591
- PMCID: PMC3496444
- DOI: 10.2105/AJPH.2011.300409
Veterans and suicide: a reexamination of the National Death Index-linked National Health Interview Survey
Abstract
Objectives: We assessed the risk of suicide among veterans compared with nonveterans.
Methods: Cox proportional hazards models estimated the relative risk of suicide, by self-reported veteran status, among 500,822 adult male participants in the National Death Index (NDI)-linked National Health Interview Survey (NHIS), a nationally representative cohort study.
Results: A total of 482 male veterans died by suicide during 1,837,886 person-years of follow-up (76% by firearm); 835 male nonveterans died by suicide during 4,438,515 person-years of follow-up (62% by firearm). Crude suicide rates for veterans and nonveterans were, respectively, 26.2 and 18.8 per 100,000 person-years. The risk of suicide was not significantly higher among veterans, compared with nonveterans, after adjustment for differences in age, race, and survey year (hazard ratio = 1.11; 95% confidence interval = 0.96, 1.29).
Conclusions: Consistent with most studies of suicide risk among veterans of conflicts before Operation Iraqi Freedom/Operation Enduring Freedom, but in contrast to a previous study using the NDI-linked NHIS data, we found that male veterans responding to the NHIS were modestly, but not significantly, at higher risk for suicide compared with male nonveterans.
Comment in
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Is the rate of suicide among veterans elevated?Am J Public Health. 2012 Mar;102 Suppl 1(Suppl 1):S17-9. doi: 10.2105/AJPH.2011.300491. Epub 2012 Jan 25. Am J Public Health. 2012. PMID: 22390592 Free PMC article. No abstract available.
References
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- US Department of Veterans Affairs. Report of the Blue Ribbon Work Group on Suicide Prevention in the Veteran Population. Washington, DC: Department of Veteran Affairs; 2008.
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- Boehmer TK, Flanders WD, McGeehin MA, Boyle C, Barrett DH. Postservice mortality in Vietnam veterans: 30-year follow-up. Arch Intern Med. 2004;164(17):1908–1916 - PubMed
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- Kang HK, Bullman TA. Mortality among US veterans of the Persian Gulf War. N Engl J Med. 1996;335(20):1498–1504 - PubMed
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