Suicide and depression in former contact sports participants: Population-based cohort study, systematic review, and meta-analysis

Background: Former participants in sports characterised by low intensity repetitive head impact appear to have elevated rates of later dementia, but links with other psychological health outcomes such as depression and suicide are uncertain. We quantified the occurrence of these endpoints in former contact sports athletes against general population controls using new data from a cohort […]

Implementations of an evidence‐based assertive case management intervention for suicide attempters: Post‐ACTION‐J Study (PACS)

Aim An assertive case management intervention program, ACTION-J, proved effective for preventing suicide attempters from reattempting suicide within 6 months. The ACTION-J randomized trial was conducted as part of the “National Strategic Research Projects.” The program has been covered by the national medical payment system of Japan since 2016. The aim of the Post-ACTION-J Study […]

Association of workplace violence and bullying with later suicide risk: A multicohort study and meta-analysis of published data

Background: Workplace offensive behaviours, such as violence and bullying, have been linked to psychological symptoms, but their potential impact on suicide risk remains unclear. We aimed to assess the association of workplace violence and bullying with the risk of death by suicide and suicide attempt in multiple cohort studies. Methods: In this multicohort study, we used individual-participant […]

Suicide and depression in former contact sports participants: Population-based cohort study, systematic review, and meta-analysis

Background: Former participants in sports characterised by low intensity repetitive head impact appear to have elevated rates of later dementia, but links with other psychological health outcomes such as depression and suicide are uncertain. We quantified the occurrence of these endpoints in former contact sports athletes against general population controls using new data from a cohort […]

Risk of suicide and self‑harm in university students entering different university programs: A national register‑based cohort study in Sweden

Purpose It is not known whether the elevated suicide risk in certain occupations, such as health care professionals, is partly attributable to a selection of individuals with prior vulnerability. We aimed to determine the risk of suicide and self-harm already in students entering different university programs. Methods We used national registers to identify 621,218 Swedish […]

Disparities in suicide-related behaviors across sexual orientations by gender: A retrospective cohort study using linked health administrative data

Objective: The authors used a population-representative sample and health administrative data to quantify suicide-related behavior leading to acute care or deaths across self-identified heterosexual, gay/lesbian, and bisexual individuals. Methods: Data from a population-based survey (N=123,995) were linked to health administrative data (2002-2019), and differences in time to suicide-related behavior events across sexual orientations were examined using Cox […]

Healthcare resource utilization prior to suicide death or suicide attempt in patients with major depressive disorder: A Danish registry-based cohort study

Introduction Major depressive disorder (MDD) is associated with suicide events and with increased healthcare resource utilization (HRU). The aim was to analyze the pattern of HRU prior to death by suicide or suicide attempt in patients with MDD using national registries. Methods Danish adults with MDD, who died by suicide or had a first-time suicide […]

The acceptability of suicide among rural residents, urban residents, and college students from three locations in China: A cross-sectional survey

Background: Community attitudes about suicide and their relationship to suicidal behavior have not been adequately investigated in low- and middle-income countries. Aims: To compare the acceptability of suicide in different population cohorts in China, identify factors that affect the degree of acceptability, and assess the relationship of cohort-specific acceptability of suicide and suicide rates. Methods: A multistage stratified […]

Suicide attempts and mental health diagnoses in combat-injured service members: A retrospective cohort study

Introduction Examinations of risk factors for suicide attempt in United States service members at high risk of mental health diagnoses, such as those with combat injuries, are essential to guiding prevention and intervention efforts. Methods Retrospective cohort study of 8727 combat-injured patients matched to deployed, non-injured patients utilizing Department of Defense and Veterans Affairs administrative […]

Investigating suicide related behaviours across sexual orientation and neighbourhood deprivation levels: A cohort study using linked health administrative data

Background There have been no studies examining how neighbourhood deprivation modifies the effects of sexual minority status on suicide-related behaviours (SRB). Sexual minority individuals in deprived areas may face unique challenges and stressors that exacerbate their risk of SRB. This study aims to investigate the association between sexual minority status and clinical SRB, and examine […]

Association of frailty with risk of suicide attempt in a national cohort of US veterans aged 65 years or older

Objectives  To examine the association between frailty and risk of suicide attempt and how risk differs based on components of frailty. Design, Setting, and Participants  This nationwide cohort study integrated databases from the US Department of Veterans Affairs (VA) inpatient and outpatient health care services, Centers for Medicare & Medicaid Services data, and national suicide data. Participants […]

Comparison of mental health symptoms before and during the covid-19 pandemic: Evidence from a systematic review and meta-analysis of 134 cohorts

Objective: To synthesise results of mental health outcomes in cohorts before and during the covid-19 pandemic. Design: Systematic review. Data sources: Medline, PsycINFO, CINAHL, Embase, Web of Science, China National Knowledge Infrastructure, Wanfang, medRxiv, and Open Science Framework Preprints. Eligibility criteria for selecting studies Studies comparing general mental health, anxiety symptoms, or depression symptoms assessed from […]

Overlapping patterns of suicide attempts and non-suicidal self-injuries in adults: A prospective clinical cohort study

Objective: An overlap of non-suicidal self-injuries (NSSIs) and suicide attempts (SAs) is observed in young cohorts, but there are few robust prospective studies for adults. We compared 1-year outcomes in adults with different self-harm patterns: NSSI only, NSSI + SA, and SA only. Methods: 793 patients (67% women) consecutively presenting with NSSI (17%) or SA (83%) at […]

The role of substance use disorders in the transition from suicide attempt to suicide death: A record linkage study of a Swedish cohort

Background: Suicidal behavior and substance use disorders (SUDs) are important public health concerns. Prior suicide attempts and SUDs are two of the most consistent predictors of suicide death, and clarifying the role of SUDs in the transition from suicide attempt to suicide death could inform prevention efforts. Methods: We used national Swedish registry data to identify individuals […]

Mortality among First Nations people, 2006 to 2016

Background First Nations people were reported to have a shorter life expectancy and were more likely than their non-Indigenous counterparts to die prematurely from avoidable causes. Methods Using the 2006 Canadian Census Health and Environment Cohort (CanCHEC), the number and rates of deaths for a 10-year follow-up period for on- and off reserve First Nations […]

Suicidal behaviors and depression among adolescents in Hanoi, Vietnam: A multilevel analysis of data from the Youth Risk Behavior Survey 2019

This study described the prevalence of suicidal behaviors and depression among adolescents in Hanoi, Vietnam, and examines the associated factors. In 2019, a school-based survey was conducted in three high schools in Hanoi and 661 high students were included into the study. We found that the prevalence of 12-month suicidal thoughts, suicide plans, and suicide […]

Posttraumatic stress disorder, suicide, and unintended overdose death in later life: A national cohort study of veterans aged 50 and older

Background/objectives: Although studies have shown posttraumatic stress disorder (PTSD) associated with risk of suicide, the relationship in later life, especially for overdose death, remains unclear. Thus, the aim of the current study was to determine associations between PTSD, suicide, and unintended overdose death in mid- to late-life. Methods: A nationwide cohort study integrating Department of Veterans Affairs’ […]

The impact of gender and age on bullying role, self-harm and suicide: Evidence from a cohort study of Australian children

There has been limited longitudinal investigation to date into the association between bullying, self-harm, and suicidality in Australia and the impact of specific demographic differences on this relationship. This is despite the continued rise in the incidence of bullying, self-harm, and suicide. As such, the current study draws on data from the Longitudinal Survey of […]

Mood stabilizers and risk of all-cause, natural, and suicide mortality in bipolar disorder: A nationwide cohort study

Objectives People with bipolar disorder have an elevated risk of mortality. This study evaluated associations between the use of mood stabilizers and the risks of all-cause mortality, suicide, and natural mortality in a national cohort of people with bipolar disorder. Methods In this nationwide cohort study, we used data from January 1, 2000, to December […]

Investigating the association between income inequality in youth and deaths of despair in Canada: A population-based cohort study from 2006 to 2019

Background: Deaths due to suicide, drug overdose and alcohol-related liver disease, collectively known as ‘deaths of despair’, have been markedly increasing since the early 2000s and are especially prominent in young Canadians. Income inequality has been linked to this rise in deaths of despair; however, this association has not yet been examined in a Canadian context, […]

Roles of alcohol use disorder and resilience in risk of suicide attempt in men: A Swedish population-based cohort

Introduction Alcohol use disorder (AUD) has been identified as a strong risk factor for suicide attempt. However, few studies have considered protective factors that may moderate this association, such as resilience. Methods We used longitudinal nationwide Swedish data of 903,333 males born 1960–1980 and 48,285 males born 1949–1951. We performed Cox proportional hazards models to test the […]

Real‑world depression, anxiety and safety outcomes of intramuscular ketamine treatment: A retrospective descriptive cohort study

Background: Ketamine has emerged as a promising pharmacotherapy for depression and other mental illnesses, and the intramuscular (IM) administration of ketamine is now offered at many North American outpatient psychiatric clinics. However, a characterization of the outpatient population receiving IM ketamine treatment and an evaluation of the real-world depression, anxiety, and safety outcomes of long-term psychiatric […]

Parenthood and lower risk of suicide in women and men: The total Swedish population followed across adulthood

Background Previous studies suggest a protective effect of parenthood on suicide, but little is known about how the association may change across the lifespan, or in relation to sex, marital status or occurrence of psychiatric disorders. Methods We followed a cohort of over 5 million Swedish women and men, from 1991 to 2011, up to […]