Identifying suicidal subtypes and dynamic indicators of increasing and decreasing suicide risk

识别自杀亚型以及增加和减少自杀风险的动态指标

• 批准号: 10246660
• 负责人: Craig J. Bryan
• 金额: $ 37.3万
• 依托单位: OHIO STATE UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-07-03 至 2022-06-30
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/10246660
• 关键词: Identifying; suicidal; subtypes; dynamic; indicators

ABSTRACT The U.S. general population suicide rate has increased steadily over the past 20 years. Those who have served in the U.S. Armed Forces are a high risk subgroup among which rates have increased at a faster rate as compared to those who have never served in the military. Emerging research suggests the existence of several subtypes of suicidal states. Individuals in different subtypes may follow different pathways to high risk states and may respond to treatment interventions in different ways. To date, studies have not examined typologies using integrated datasets that include genetic, environmental, medical, and psychological variables. To address this knowledge gap, we propose to leverage an archived dataset from the South Texas Region Organization Network Guiding Studies of Trauma and Resilience (STRONG STAR) Repository, which contains genetic, environmental, medical, and psychological variables from over 4000 military personnel who were assessed before and after deployment. Using this dataset, we will (a) identify subgroups of suicidal military personnel and (b) identify different patterns of increasing, decreasing, and static suicide risk. Results of this analysis will enable us to identify discrete genotype-phenotype expressions of suicide risk, thereby enabling us to identify multiple risk models that can be used to improve risk detection and refine suicide prevention interventions. Emerging research further indicates the process of suicide risk over time is nonlinear in nature. Unfortunately, the majority of studies examining the emergence of suicide risk over time have employed research and data analytic methods that are unable to accurately capture nonlinear change processes. To address this knowledge gap, we propose to leverage archived datasets from six clinical trials included in the STRONG STAR Repository (N>800), each of which includes repeated assessments (up to 13 total) of depression, PTSD, and suicide ideation. Multivariate latent change score models, informed by dynamical systems theory, will be used to model nonlinear change processes associated with low risk and high risk states. Results of this analysis will yield posterior probabilities that can estimate the likelihood of a given patient transitioning to a high risk state at a given point in time, which could lead to the development of “warning systems” that identify who will experience increased risk over time, and when. Although the proposed study uses archived data collected from military personnel, the proposed methods can be translated to other populations and settings, thereby leading to significant advances in the detection and individuals with elevated risk for suicide.

摘要

项目成果

Mokken Scale Analysis of Lifetime Responses on the Columbia Suicide Severity Rating Scale's Severity of Ideation Subscale.

• DOI: 10.1177/1073191120913626
• 发表时间: 2021-09
• 期刊: ASSESSMENT
• 影响因子: 3.8
• 作者: Tabares, Jeffrey V.;Butner, Jonathan E.;Bryan, Craig J.;A. Harris, Julia
• 通讯作者: A. Harris, Julia

Identifying suicidal subtypes and dynamic indicators of increasing and decreasing suicide risk in active duty military personnel: Study protocol.

• DOI: 10.1016/j.conctc.2021.100752
• 发表时间: 2021-03
• 期刊: Contemporary clinical trials communications
• 影响因子: 1.5
• 作者: Brown LA;Bryan CJ;Butner JE;Tabares JV;Young-McCaughan S;Hale WJ;Fina BA;Foa EB;Resick PA;Taylor DJ;Coon H;Williamson DE;Dondanville KA;Borah EV;McLean CP;Wachen JS;Pruiksma KE;Hernandez AM;Litz BT;Mintz J;Yarvis JS;Borah AM;Nicholson KL;Maurer DM;Kelly KM;Peterson AL;STRONG STAR Consortium
• 通讯作者: STRONG STAR Consortium

Temporal-dimensional examination of the Scale for Suicidal Ideation in a cohort of service members in treatment for PTSD.

• DOI: 10.1037/tra0001030
• 发表时间: 2021-10
• 期刊: Psychological trauma : theory, research, practice and policy
• 作者: Butner JE;Bryan CJ;Tabares JV;Brown LA;Young-McCaughan S;Hale WJ;Mintz J;Litz BT;Yarvis JS;Fina BA;Foa EB;Resick PA;Peterson AL
• 通讯作者: Peterson AL