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To the Editor: The US Department of Defense (DoD) recently released its annual suicide surveillance report, which presents data for calendar year 2015. It is important to examine the report for what can be learned.
One significant finding is how little the data are changing over time.
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Lessons From the Latest US Military Suicide Surveillance Data
To the Editor: The US Department of Defense (DoD) recently released its annual suicide surveillance report, which presents data for calendar year 2015.1 It is important to examine the report for what can be learned.
One significant finding is how little the data are changing over time. Suicide rates remain high and unchanged from recent years. The Active component suicide rate was 20.2 per 100,000 in 2015. Neither this rate nor the service-specific rates for the Active components of the Air Force, Army, Navy, or Marines Corps differed from the average rates for 2012-2014. This in no way indicates that suicide prevention efforts have not been successful; there is no way to know what the trajectory of suicide rates would have been had the DoD not engaged in significant prevention and public health efforts. However, it is notable that the data show stability across a number of years.
It is striking that, after adjusting for demographics, the Active and Reserve components of the military have suicide rates that are indistinguishable from the suicide rate of the US population overall. The comparison between the military and US population is a biased one that should favor the military.2 US rates include unemployed individuals, homeless individuals, people with life-threatening medical conditions, and individuals with chronic mental health conditions. In comparison, active duty service members are a “healthy working population.” For years, these differences were cited to explain why military suicide rates were lower than US rates2,3; it is unclear why this has changed.
Firearm use, as a suicide method, remains an important public health problem for the military and the broader US population, as 62% of the military suicides involved the use of a firearm (nearly all of which were personally owned). Prior research showed that veteran suicide decedents are more likely than the US population to use firearms.4 Therefore, steps to improve the access and effectiveness of lethal means counseling remains a key suicide prevention opportunity5 that both the DoD and VA are focused on.
Twenty-eight percent of the military personnel who died by suicide communicated their potential for self-harm prior to the event. Interestingly, the report1 notes that over 10% of decedents communicated their potential for suicide via text message (not counting texted “suicide notes”). Therefore, it may be helpful to refine suicide-prevention training to address this modern twist on risk detection and intervention.
Mental health problems and substance abuse represent important prevention topics; about a quarter of those who died by suicide used drugs or alcohol during the suicidal event. Consistent with prior findings, about half of those who died by suicide had a known history of a mental health disorder.
Psychosocial stressors at the time of the suicides provide important clues for prevention but are also problematic, since population base rates are generally unknown. For example, 38.1% of those who died by suicide had a failed intimate relationship within 3 months of the suicide. However, the military is composed largely of young adults who transition frequently between intimate relationships. It is not clear whether failed relationships truly represent a risk factor or are a general characteristic of this demographic group.
Overall, the 2015 data highlight the need for better prevention options. It appears clear that the DoD has prioritized suicide prevention for years, engaged its leadership, developed a strategic plan, implemented public health programs, partnered with experts, refined its approaches, and provided national leadership in mental health screening and intervention.6,7 The DoD, Department of Veterans Affairs, and National Institute for Mental Health have invested heavily in suicide prevention research in the last decade. However, the latest report from the DoD signals how far the suicide prevention field still needs to come to truly impact suicide rates. If military suicide prevention is a top priority for the nation, funding for suicide prevention research must remain a top priority.
References
1. Pruitt LD, Smolenski DJ, Bush NE, et al. Department of Defense Suicide Event Report: Calendar Year 2015 Annual Report, 2017 (Publication No. E-6A4ED71). Joint Base Lewis-McChord, WA. National Center for Telehealth & Technology, Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury website. http://t2health.dcoe.mil/sites/default/files/DoDSER_2015_Annual_Report.pdf.
2. Reger MA, Reger GM, Krieg C, et al. What’s changed? a comparison of Army suicide surveillance data to cases from 1975-1982. Suicide Life Threat Behav. 2016. CrossRef
3. Eaton KM, Messer SC, Garvey Wilson AL, et al. Strengthening the validity of population-based suicide rate comparisons: an illustration using US military and civilian data. Suicide Life Threat Behav. 2006;36(2):182-191. PubMed CrossRef
4. Hoffmire CA, Bossarte RM. A reconsideration of the correlation between veteran status and firearm suicide in the general population. Inj Prev. 2014;20(5):317-321. PubMed CrossRef
5. Barber CW, Miller MJ. Reducing a suicidal person’s access to lethal means of suicide: a research agenda. Am J Prev Med. 2014;47(suppl 2):S264-S272. PubMed CrossRef
6. Department of Defense. The Challenge and the Promise: Strengthening the Force, Preventing Suicide and Saving Lives. US DoD website. http://www.sprc.org/sites/default/files/migrate/library/2010-08_Prevention-of-Suicide-Armed-Forces.pdf. 2010. Accessed June 27, 2017.
7. Defense Suicide Prevention Office Brief. Defense Health Board. US DoD website. https://www.health.mil/Military-Health-Topics/Conditions-and-Treatments/Mental-Health/Suicide-Prevention. November 1, 2016.
aVA Puget Sound Health Care System, Tacoma, Washington
bDepartment of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
cNational Center for Telehealth and Technology (T2), Joint Base Lewis McChord, Tacoma, Washington
Potential conflicts of interest: None.
Funding/support: None.
Disclaimer: The contents do not represent the views or official policy or position of the US Department of Veterans Affairs, the Department of Defense, or the United States Government.
J Clin Psychiatry 2018;79(1):17l11790
To cite: Reger MA, Pruitt LD, Smolenski DJ. Lessons from the latest US military suicide surveillance data. J Clin Psychiatry. 2018;79(1):17l11790.
To share: https://doi.org/10.4088/JCP.17l11790
© Copyright 2018 Physicians Postgraduate Press, Inc.
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