• Jennifer M Primack, Matthew F Thompson, Aileen Peters, McKenzie Quinn, Madeline Kelsey, Ivan W Miller, and Melanie Bozzay.
• Research service, Providence VA Medical Center, Providence, RI 02908, USA.
• Mil Med. 2023 Nov 3; 188 (11-12): e3371e3376e3371-e3376.

IntroductionVeteran suicide rates continue to be unacceptably high, with the most common risk factor being a past suicide attempt (SA). However, some characteristics of suicidal ideation (SI) and behavior among Veterans hospitalized for suicide risk remain under-reported.Materials And MethodsOne hundred and eighty-three Veterans hospitalized for either an SA or SI with intent were screened for enrollment in a treatment study to prevent suicide. Veterans completed a demographic form, the Columbia-Suicide Severity Rating Scale, and the McLean borderline personality disorder screening measure shortly after inpatient psychiatric admission. Chi-squared and t-tests were used to compare suicide characteristics (e.g., intensity, duration, deterrents, and controllability) between Veterans with and without a lifetime history of SA. Thematic analyses of the reported method of SI were conducted.ResultsSixty-seven percent of participants were hospitalized for SI and 33% were hospitalized for SA. Twenty-one percent of Veterans hospitalized for SI also endorsed a recent SA in the weeks preceding hospitalization. Most participants reported at least one lifetime SA (71%). Veterans with a lifetime history of SA reported greater frequency and duration of ideation in the week before hospitalization (t[169] =  -2.56, P = .01; t[168] =  -2.04, P = .04) while also reporting that deterrents were less likely to prevent an SA (t[107.09] =  -3.58, P = .001) compared to those with no lifetime SA.ConclusionOverall, Veterans hospitalized for SI/SA demonstrated markers of chronic suicide risk, as most participants endorsed a past attempt in their lifetime. Some Veterans admitted for SI also reported a past month's attempt, suggesting that in certain cases, hospitalization does not immediately follow an acute suicidal crisis. A past SA differentiated Veterans on average frequency and duration of SI as well as the perception of deterrents preventing suicidal behavior. Therefore, a thorough evaluation of suicide methods and intensity may be informative in treatment planning for Veterans at greatest risk of suicide.Published by Oxford University Press on behalf of the Association of Military Surgeons of the United States 2023. This work is written by (a) US Government employee(s) and is in the public domain in the US.

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