The objectives of this study were to generate precise estimates of suicide rates in the military while controlling for factors contributing to rate variability such as demographic differences and classification bias, and to develop a simple methodology for the determination of statistically derived thresholds for detecting significant rate changes. Suicide rate estimates were calculated for the military population and each service branch over 11 years, directly standardized to the 2000 U.S. population. Military rates were highly comparable across branches and were approximately 20% lower than the civilian rate. Direct adjustment essentially controlled for the demographic confounds in this sample. Applying the Poisson-based method, we demonstrate that suicide rate fluctuations as large as 20-40% in any year may be attributed to random error.

Strengthening the Validity of Population-Based Suicide Rate Comparisons: An Illustration Using U.S. Military and Civilian Data

An overview of suicide in the U.S. Army is presented in two sections: (1) the epidemiology of U.S. Army suicides, based on biennium reports, and (2) the temporal aspects of those suicides compared with the data for the United States as a whole. A brief historical review documents some of the changes in contemporary military suicide rates compared to those of the past century. The cycles in the number of suicides by day of the week, day of the month, and the month of the year for the U.S. Army are computed and contrasted with those reported for the U.S. resident population.

Suicide in the U.S. Army: epidemiological and periodic aspects.

Altruistic suicides are marked by cultural approval and benefit the social order. They occur in social groups where there is a low value placed on the individual. The principle loci of altruistic suicide are primitive societies and the modern military. Subtypes of altruistic suicide (obligatory, optional, acute) are delineated and evaluated. Military suicide rates are seen as being inversely related to civilian suicide rates. Key limitations of Durkheim's model are discussed including his exaggerating the prevalence of obligatory suicide. Suggested points of departure for future research on altruistic suicide include comparative analyses of suicide in the modern military, and application of the concept of optional altruistic suicide to the impact of suicide acceptability on national suicide rates.

Emile Durkheim and altruistic suicide.

Suicide and occupation: A review

In 1999, the Department of the Navy (DoN) began a suicide surveillance program using the DoN Suicide Incident Report (DONSIR) to collect data on completed suicides in the Navy and Marine Corps. The DONSIR significantly advances the capability of DoN to track and analyze data on completed suicides over time. The long-term goal of this program is to improve suicide prevention by identifying and modifying military-specific risk factors. A DONSIR has been completed on 98% of the 200 DoN suicides that occurred from 1999 to 2001. Most DoN suicides occurred outside the military work environment and involved the use of a firearm. Most decedents were men, had experienced a recent relationship problem, and did not use any military support services in the 30 days before suicide. Results suggest that the promotion of support services may improve the effectiveness of DoN suicide prevention.

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Surveillance of Completed Suicide in the Department of the Navy

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Maria E. Esposito

Papers

Suicide in United States Army Personnel 1977-1978