Journal
JAMA NETWORK OPEN
Volume 2, Issue 6, Pages -Publisher
AMER MEDICAL ASSOC
DOI: 10.1001/jamanetworkopen.2019.5383
Keywords
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Funding
- US Department of the Army
- US Department of Health and Human Services, National Institutes of Health, and National Institute of Mental Health (NIMH) [U01MH087981]
- US Department of Defense
- [HU0001-15-2-0004]
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IMPORTANCE Since 2004, the suicide rate among US Army soldiers has exceeded the rate of death from combat injury. It is critical to establish factors that increase the risk of acting on suicidal thoughts to guide early intervention and suicide prevention. OBJECTIVE To assess whether firearm ownership, use, storage practices, and accessibility are associated with increased risk of suicide. DESIGN, SETTING, AND PARTICIPANTS In this case-control study, suicide cases (n = 135) were defined as US Army soldiers who died by suicide while on active duty between August 1, 2011, and November 1, 2013. Next-of-kin and Army supervisors of soldiers who died by suicide (n = 168) were compared with propensity-matched controls (n = 137); those soldiers with a suicidal ideation in the past year (n = 118) provided structured interview data. Data were analyzed from April 5, 2018, to April 2, 2019. MAIN OUTCOMES AND MEASURES Firearm ownership, storage, and accessibility were assessed by using items from the World Health Organization Composite International Diagnostic Interview screening scales along with items created for the purpose of the Army Study to Assess Risk and Resilience in Servicemembers (Army STARRS) study. RESULTS Among the 135 suicide decedents, next-of-kin reported that they had greater accessibility to firearms compared with propensity-matched controls. Specifically, suicide decedents were more likely to own 1 or more handguns compared with propensity-matched controls (odds ratio [OR], 1.9; 95% CI, 1.0-3.7; chi(2)(1) = 4.2; false discovery rate [FDR] P = .08), store a loaded gun at home (OR, 4.1; 95% CI, 1.9-9.1; chi(2)(1) = 12.2; FDR P = .003), and publicly carry a gun when not required for military duty (OR, 3.2; 95% CI, 1.4-7.3; chi(2)(1) = 7.4; FDR P = .02). The combination of these 3 items was associated with a 3-fold increase in the odds of suicide death (OR, 3.4; 95% CI, 1.2-9.4; chi(2)(1) = 5.4; FDR P = .05). Storing a loaded gun with ammunition at home or publicly carrying a gun when not on duty was associated with a 4-fold increase in the odds of suicide death (OR, 3.9; 95% CI, 1.9-7.9; chi(2)(1) = 14.1; FDR P = .002). CONCLUSIONS AND RELEVANCE In this study, in addition to gun ownership, ease and immediacy of firearm access were associated with increased suicide risk. Discussion with family members and supervisors about limiting firearm accessibility should be evaluated for potential intervention.
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