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Identifying the longitudinal outcomes of suicide loss in a population-based cohort

Award Number: R01MH133670
ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 09/06/2023
PERIOD OF PERFORMANCE END DATE: 07/31/2027

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Identifying the longitudinal outcomes of suicide loss in a population-based cohort - PROJECT ABSTRACT The impact of suicide reaches well-beyond individual suicide decedents. For each suicide death, an estimated 135 people are exposed to the potential trauma of suicide loss. Research indicates that exposure to suicide loss can result in mental and physical health distress, with those experiencing adverse outcomes called “suicide loss survivors.” At the same time, the literature is severely limited by a lack of appropriate comparison groups (e.g., accident death loss), examining a limited number of outcomes without considering comorbidity, and focusing on one type of familial relation (e.g., spouses) while ignoring non-familial loss survivors (e.g., cohabitants). Consequently, the lack of high-quality population-level longitudinal epidemiologic studies of suicide loss survivors hinders our ability to understand the full health effects of suicide and the full extent of the suicide public health crisis. The overall goal of this project is to use Danish national registry data to document the mental and physical health outcomes and comorbidities among the population of individuals exposed to suicide loss over a 30-year period. Denmark has a universal healthcare system, with government supported nationwide electronic health and social registries, and the ability to link records across registries and individuals using unique personal/family identifiers and address information. Our project will leverage the registries to directly address gaps in the suicide loss literature. We will develop a cohort of all first-degree relatives and cohabitants exposed to suicide loss between 1994 and 2024, as well as two comparison cohorts (1) exposed to accident loss, and (2) from the general population (Aim 1). The cohorts will include all available socio-demographic and electronic medical record data over the 30-year follow-up period. These data will be used to conduct an epidemiologic outcome-wide analysis of suicide loss (Aim 2). We will identify all mental and physical health ICD-coded diagnostic outcomes that are specific to suicide loss (compared to accident loss and the general population), and examine how outcomes vary by time since loss, relationship type, and sex. This approach will inform novel and more precise targets for prevention and intervention within the field of suicide postvention. The cohort also will be used to identify the most salient patterns of diagnostic comorbidity that follow suicide loss (Aim 3). Unsupervised machine learning will identify latent subgroups of suicide loss survivors characterized by common patterns of mental and physical health comorbidity, with the goal of informing transdiagnostic prevention/treatment and generating mechanistic hypotheses. This study is an efficient way to lay a foundation for the epidemiology of suicide loss. Our results will provide clinicians and policymakers with the information needed to design and study both disorder-specific and transdiagnostic interventions to prevent and treat currently unexplored and underexplored effects of suicide on loss survivors. The cohort also can serve as an enduring resource for future research on suicide loss. Going forward, results can be replicated across other populations (e.g., smaller US samples) to further contextualize our findings.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $669,249 )
2026	2026	TRUSTEES OF BOSTON UNIVERSITY	85 EAST NEWTON ST # M-921	BOSTON	MA	02118	SUFFOLK	USA	Mental Health Research Grants	000	4	7/7/2026	NON-COMPETING CONTINUATION	$669,249
														Subtotal = $669,249

Issue Date FY: 2025 ( Subtotal = $669,249 )
2025	2025	TRUSTEES OF BOSTON UNIVERSITY	85 EAST NEWTON ST # M-921	BOSTON	MA	02118	SUFFOLK	USA	Mental Health Research Grants	000	3	7/17/2025	NON-COMPETING CONTINUATION	$669,249
														Subtotal = $669,249

Issue Date FY: 2024 ( Subtotal = $665,949 )
2024	2024	TRUSTEES OF BOSTON UNIVERSITY	85 EAST NEWTON ST # M-921	BOSTON	MA	02118	SUFFOLK	USA	Mental Health Research Grants	000	2	7/26/2024	NON-COMPETING CONTINUATION	$665,949
														Subtotal = $665,949

Issue Date FY: 2023 ( Subtotal = $738,322 )
2023	2023	TRUSTEES OF BOSTON UNIVERSITY	85 EAST NEWTON ST # M-921	BOSTON	MA	02118	SUFFOLK	USA	Mental Health Research Grants	000	1	9/6/2023	NEW	$738,322
														Subtotal = $738,322

Grand Total All Awards = $2,742,769

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Identifying the longitudinal outcomes of suicide loss in a population-based cohort

Award Number: R01MH133670

ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 09/06/2023

PERIOD OF PERFORMANCE END DATE: 07/31/2027

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