Suicide risk and mental health in the general population of French Polynesia

OBJECTIVE

There are no reports on the burden of suicidal ideation and suicide attempts in the general population of French Polynesia (FP). We aimed to improve suicide prevention and mental health care by assessing the prevalence of suicide risk and major mental health disorders and care among adults in FP.

METHODS

We conducted the Mental Health in General Population Survey in FP during 2015 to 2017. Participants were selected using the quota method to obtain a representative sample of the general population. Suicide risk and psychiatric diagnoses were assessed using the Mini International Neuropsychiatric Interview.

RESULTS

We included 968 people aged 18 years or older. The prevalence of current suicidal ideation (13.1%) and current (2.6%) and lifetime suicide attempts (18.6%), as well as mental health disorders (42.8%), was high in FP. A notable proportion of participants with these conditions did not seek medical assistance.

CONCLUSION

A high prevalence of suicide risk and mental health disorders was found in the general population of FP. Suicide prevention and mental health plans are needed in FP that include better access to primary care for the diagnosis and treatment of mental health disorders. Further research is needed to clarify cultural risk and protective factors.

Temporomandibular Disorders as a Risk Factor for Suicidal Behavior: A Systematic Review

BACKGROUND

Temporomandibular disorders (TMD) are a group of common musculoskeletal dysfunctions that affect the temporomandibular joint or masticatory muscles and related structures or are expressed as a clinical combination of these two factors. The etiology of TMD is multifactorial and features related to anxiety, depression and mental disorders can contribute to the predisposition, onset and progression of TMD. The ability to adapt and develop coping attitudes was reduced in patients presenting with chronic pain, while suicidal behavior (suicidal ideation, suicide attempts, and suicide completion) was increased. The objective of this review was therefore to investigate suicidal behavior in relation to TMD.

METHODS

The review was performed according to the PRISMA 2020 guidelines. Six databases (PubMed, MEDLINE, EMBASE, Scopus, Ovid, and Google Scholar) were consulted through the use of keywords related to the review topic. The study is registered on PROSPERO (CRD42022320828).

RESULTS

The preliminary systematic search of the literature yielded 267 records. Excluding duplicates, 15 were considered potentially relevant and kept for title and abstract analysis. Only six articles were considered admissible reporting a single exposure factor, TMD and a single outcome, suicidal behavior, although these were evaluated through different assessment tools. We found a low association of TMD with suicidal behavior in observational studies, with estimates partly provided [prevalence ratio (PR) from 1.26 to 1.35, 95% confidence intervals (CI) from 1.15 to 1.19 (lower) and from 1.37 to 1.54 (higher); and odds ratios (OR) from 1.54 to 2.56, 95% CI from 1.014 to 1.157 (lower) and 2.051 to 6.484 (higher)], a relevant sample size (n = 44,645), but a few studies included (n = 6).

CONCLUSIONS

The results of the included studies showed that the prevalence data of suicidal behavior were more present in young adults with TMD, with a controversial association with gender. Suicidal behavior was also correlated and aggravated by the intensity of pain.

Self-poisonings before and during the initial year of the COVID-19 pandemic in northern Poland

OBJECTIVES

The objectives of this study included evaluating and reporting on the initial impact of the COVID-19 pandemic and preventive measures in the form of a lockdown on self-poisoning tendencies in northern Poland.

MATERIAL AND METHODS

The authors retrospectively analyzed medical records of all patients (N = 2990) admitted to the Pomeranian Center of Toxicology in 2018-2020. Of those, further analysis included 2140 patients who had been admitted because of a suicide attempt by self-poisoning. The authors also selected a group of 40 patients on the basis of a self-reported direct relationship of the suicide attempt with the COVID-19 pandemic or the imposed lockdown.

RESULTS

The rates of suicide attempts in toxicological patients over the years ranged 68.18-75.3%. The patients were predominantly female, with age between M±SD 33.2±16.9 and 36.0±16.4. Each year, over 60% of patients were admitted during their first attempt and were treated psychiatrically prior to their attempt, with differences observed in the COVID-19-related group. The alcohol intoxication during the suicide attempt was confirmed in 37.40-43.53% of the patients, with a higher rate of 52.50% observed in the COVID-19-related group. The main self-reported reason for the suicide was a romantic relationship conflict or breakup, and a conflict and/or violence in the family. The most frequent agents were over-the-counter painkillers, antidepressants, antipsychotics and benzodiazepines or Z-drugs.

CONCLUSIONS

During the initial year of the COVID-19 pandemic, there was a fall of suicide attempts by self-poisonings in northern Poland, significant only in the case of women. The self-reported reasons were similar in all years, with mainly minor changes. There was also an increase in attempts made using benzodiazepines or Z-drugs seen in 2020 and in the COVID-19-related group. The authors believe that there is a need for multi-center, large-scale prospective studies that would provide better insight into the pandemic-related suicidal trends. Int J Occup Med Environ Health. 2022;35(5):527-35.

Profiles of Passive and Active Suicidal Ideation and Attempts Among Secondary School Students in Australia: A Cross-Sectional Analysis

INTRODUCTION

Suicide is a leading cause of death among young people (aged 15-24 years), and as such, identifying targets for early intervention is essential to reducing this risk. Using baseline data from a school-based universal suicide prevention trial, we investigate factors associated with different types of suicidal ideation in secondary school students with implications for youth suicide preventive efforts.

METHODS

A self-report questionnaire was administered to students aged 13-16 years (Year 9) before program delivery in four regions across New South Wales, Australia (N = 556). Multinomial logistic regression was used to identify correlates of suicidal ideation type (passive vs. active).

RESULTS

Approximately half the total sample reported recent suicidal ideation (51.6% in the previous two weeks), which included almost one-third reporting active suicidal ideation (32.2% seriously considered suicide or made plans). Participants that were significantly more likely to report active suicidal ideation compared to passive suicidal ideation identified as female (OR = 1.91, 95% CI = 1.02-3.59), Indigenous (OR = 0.21, 95% CI = 0.05-0.80), as sexual minorities (OR = 0.36, 95% CI = 0.13-0.97), and had greater depression severity (OR = 1.11, 95% CI = 1.04-1.19).

CONCLUSIONS

Suicidal thoughts are prevalent among young people. Universal and indicated preventive interventions that address depression, as well as bullying and discrimination of minority groups would benefit all young people, particularly those more vulnerable to severe suicidal ideation and suicide attempts.HighlightsActive suicidal ideation (SI) was reported by 32.2% of our student sample aged 13-16 years.Active SI is linked to sex (female), Indigeneity status, sexual minority status, and greater depression severity.Improved bullying and discrimination policy within schools, and well-being programs targeting depression and promoting help-seeking, would benefit youth.

Maltreatment history and reasons for self-injurious behavior among adolescents engaged in non-suicidal self-injury versus adolescents who attempted suicide

OBJECTIVE

Self-injurious behavior (SIB) is a significant public health concern in the United States, especially among adolescents with histories of maltreatment. This study compared maltreatment characteristics and reasons for SIB between three homogenous samples of adolescents with either: (1) non-suicidal self-injury (NSSI); (2) suicide attempt/s (SA), and (3) typically developing controls (TDC).

METHOD

Participants (N = 124) aged 13-17 years completed questionnaires about their maltreatment and SIB histories.

RESULTS

Maltreatment rates were as follows: 90% NSSI group, 76% SA group, and 40% TDC group. Adolescents in the NSSI group reported significantly higher rates of emotional neglect compared to the SA group. Maltreated adolescents in the NSSI and SA groups reported the same top three SIB reasons: (1) get rid of bad feelings, (2) mental state at the time, and (3) problems with family. However, maltreated NSSI participants were significantly more likely to engage in SIB for emotion regulation reasons than maltreated SA participants, who were more likely to engage in SIB for interpersonal reasons. Physical neglect and physical abuse also arose as significant predictors of specific SIB reasons.

CONCLUSIONS

Our findings help elucidate the maltreatment profiles and reasons for SIB among adolescents engaged in NSSI or SA. Specific maltreatment experiences may also influence the reasons why adolescents engaged in SIB.

A Bright Light at the End of the Tunnel: Factors Associated With Complete Mental Health After a Suicide Attempt

OBJECTIVE

The aim of this study was to investigate factors associated with complete mental health (CMH) among a nationally representative sample of Canadians who had a history of suicide attempts.

METHODS

Data for this study came from the 2012 Canadian Community Health Survey-Mental Health. A subsample of 796 respondents who had ever attempted suicide was analyzed. The outcome variable investigated was CMH, which includes three elements: (a) absence of past-year suicidality or mental illness (measured by the World Health Organization version of the Composite International Diagnostic Interview); (b) happiness or satisfaction; and (c) social and psychological well-being. Bivariate analyses and binary logistic regression were conducted to identify factors associated with CMH among Canadians who had a history of suicide attempts.

RESULTS

Of the 796 respondents who had a history of suicide attempts, 28.4% were in CMH. In accordance with past research, positive factors associated with CMH were as follows: having a confidant, lacking chronic pain, absence of insomnia, being female, older age, higher income, and having no history of mental illness, including bipolar disorder, major depressive episode, or generalized anxiety disorder. Those with two suicide attempts were less likely to experience CMH than those with one suicide attempt. Surprisingly, medical attention after the attempt was positively associated with CMH. In total, these factors accounted for 29% of the variance in CMH.

CONCLUSIONS

Adults with a history of suicide attempts can achieve an excellent level of mental health. These findings suggest that interventions to promote social support and manage chronic pain and insomnia may be helpful. HIGHLIGHTSMore than one in four adults with a history of suicide attempts are in complete mental healthHaving a confidant was positively associated with having complete mental health after suicide attemptThose with a history of suicide attempts need ongoing mental health support.

Co-payment and adolescents' use of psychologist treatment: Spill over effects on mental health care and on suicide attempts

The literature around co-payment shows evidence of increasing consumption following reduced co-payment. We apply difference-in-difference methods to assess the effect of abolishing the co-payment on psychologist treatment of anxiety and depression in 18 to 21-year olds. We apply nationwide individual level data with individuals close to this age interval as control group. The population amounts to approximately 1.2 million individuals and a total of 51 million patient months of observations. We show that after removing co-payment, the use of psychologist treatment almost doubles. We find that this increase involves moderately positive spill over effects on outpatient psychiatric care and on prescriptions of antidepressants. In the heterogeneity analysis we find evidence of higher effects on adolescents from families with lower income, indicating that reduced co-payments may increase equality in access. We also see that effects are higher for individuals listed with general practitioners (GPs) with a reluctant referral style; indicating that these GPs' behavior is affected by patient co-payment rates. Interestingly, we find evidence of significant reductions in suicide attempts - primarily among high-income women and low-income men. This indicates that better access to mental health care for adolescents may have a positive impact on their mental health and well-being.

Suicidality Among People Living With HIV From 2010 to 2021: A Systematic Review and a Meta-regression

OBJECTIVE

The association between human immunodeficiency virus (HIV)/AIDS and suicidality is not well understood, partly because of variability in results. This meta-analysis aimed to investigate the predictive value of HIV/acquired immune deficiency syndrome for incident suicidality.

METHODS

A literature review was conducted of articles published between January 1, 2010, and October 31, 2021. The following databases were searched: Embase, MEDLINE, CINAHL, Web of Science, and Scopus. The search terms included human immunodeficiency virus (HIV), suicidal behavior, auto mutilation, and self-injurious behavior. Observational studies were screened following a registered protocol, and eligible ones were meta-analyzed and followed by meta-regression.

RESULTS

A total of 43 studies were included in this systematic review, and a meta-regression included 170,234 participants. The pooled prevalence estimates of suicidal ideation, attempted suicide, and deaths by suicide were 22.3%, 9.6%, and 1.7%, respectively. The following significant risk factors for suicide ideation were found: substance use, depression, low quality of life, low social support, without HIV status disclosure, living alone, low level of memory problems, family history of suicide, and stage III of HIV. Risk factors for suicide attempts were depression and family history of suicide. An elevated risk for suicide-related death was found for people living with HIV (PLHIV) who had a psychiatric disorder and in studies conducted in hospital-based settings (versus national database studies or HIV clinic settings).

CONCLUSIONS

The risk of suicidality is high among PLHIV within all six World Health Organization regions during the modern antiretroviral therapy era. Assessment of socioeconomic and psychological factors is recommended for further management to prevent suicide among PLHIV. The present findings are useful for design of intervention protocols and development of clinical practice guidelines intended to manage the well-being of PLHIV worldwide.

Rurality as a Risk Factor for Attempted Suicide and Death by Suicide in Ontario, Canada

OBJECTIVE

This study aims to examine rural and urban differences in attempted suicide and death by suicide in Ontario, Canada.

METHOD

This is a population-based nested case-control study. Data were obtained from administrative databases held at ICES, which capture all hospital and emergency department visits across Ontario between 2007 and 2017. All adults living in Ontario who attempted suicide or died by suicide are included in the study, and controls were matched by sex and age. Suicides were captured using vital statistics. Suicide attempts were determined using emergency department service codes.

RESULTS

Rurality is a risk factor for attempted suicide and death by suicide. Rural males are more likely to die by suicide compared with urban males (adjusted odds ratio(AOR) = 1.70, 95% confidence interval (CI), 1.49 to 1.95), and the odds of death by suicide increase with increasing levels of rurality. Rural males and females have an increased risk of attempted suicide compared with their urban counterparts (males: AOR = 1.37, 95% CI, 1.24 to 1.50) (females: AOR = 1.26, 95% CI,  1.14 to 1.39), with a pattern of increasing risk of suicide attempts with increasing rurality. Rural females are not at increased risk of suicide compared with urban females (AOR = 1.08, 95% CI, 0.80 to 1.45). Sensitivity analyses corroborated the results.

CONCLUSIONS

Rural males are almost two times more likely to die by suicide compared with urban males, and both rural males and females have an elevated risk of suicide attempts compared with urban residents. Future research should examine potential mediators of the relationship between rurality and suicide.

The Dark Side of ADHD: Factors Associated With Suicide Attempts Among Those With ADHD in a National Representative Canadian Sample

AIM

This study investigated the prevalence and odds of suicide attempts among adults with attention deficit hyperactivity disorder (ADHD) compared to those without and identified factors associated with suicide attempts among adults with ADHD.

METHODS

Secondary analysis of the nationally representative Canadian Community Health Survey-Mental Health (CCHS-MH) (n = 21,744 adults, of whom 529 had ADHD). Respondents were asked whether they received an ADHD diagnosis from a health care professional. Lifetime suicide attempt was based on self-report.

RESULTS

Adults with ADHD were much more likely to have attempted suicide than those without (14.0% vs. 2.7%). One in four women with ADHD have attempted suicide. Sixty percent of the association between ADHD and attempted suicide was attenuated when lifetime history of depression and anxiety disorders were taken into account. Female gender, lower education attainment, substance abuse, lifetime history of depression, and childhood exposure to chronic parental domestic violence were found to be independent correlates of lifetime suicide attempts among those with ADHD.

CONCLUSION

These findings can inform targeted screening and outreach to the most vulnerable adults with ADHD.

Pain avoidance and functional connectivity between insula and amygdala identifies suicidal attempters in patients with major depressive disorder using machine learning

Pain avoidance can effectively classify suicide attempters from non-attempters among patients with major depressive disorder (MDD). However, the neural circuits underlying pain processing in suicide attempters have not been described comprehensively. In Study 1, we recruited MDD patients with a history of suicide attempts (MDD-SA), and those without (MDD-NSA) to examine the patterns of psychological pain using the latent profile analysis. Further, in Study 2, participants including the MDD-SA, MDD-NSA, and healthy controls underwent resting-state functional magnetic resonance imaging. We used machine learning that included features of gray matter volume (GMV), the functional connectivity (FC) brain patterns of the region of interest, and behavioral data to identify suicide attempters. The results identified three latent classes of psychological pain in MDD patients: the low pain class (18.9%), the painful feeling class (37.2%), and the pain avoidance class (43.9%). Furthermore, the proportion of suicide attempters with high pain avoidance was the highest. The accuracy of multimodality classifiers (63%-92%) was significantly higher than that of brain-only classifiers (56%-85%) and behavior-only classifiers (64%-73%). Pain avoidance ranked first in the optimal feature set of the suicide attempt classification model. The crucial brain imaging features were FC between the left amygdala and right insula, right orbitofrontal and left thalamus, left anterior cingulate cortex and left insula, right orbitofrontal, amygdala, and the GMV of right thalamus. Additionally, the optimal feature set, including pain avoidance and crucial brain patterns of psychological pain neural circuits, was provided for the identification of suicide attempters.

Adolescents With Non-Suicidal Self-Harm-Who Among Them Has Attempted Suicide?

We aimed to determine differences between adolescents with non-suicidal self-harm with and without a history of suicide attempt (SA). Sixty-eight adolescents with a mean age of 15.6 years (SD = 1.5) attending child and adolescent psychiatric outpatient clinics for repeated self-harm in Oslo, Norway, were included. A battery of instruments was used to assess sociodemographic information and psychopathology such as Diagnostic and Statistical Manual of Mental Disorders (DSM) diagnoses, emotional and behavioral problems, borderline symptoms, depression, hopelessness, suicidal ideation, and history of SA. Twenty-six participants (38.2%) reported a lifetime history of SA. Compared to the participants without a history of SA, those with an SA history had used a higher number of methods of self-harm and methods with higher lethality and had higher degrees of emotional and behavioral problems. They also scored higher in depressive symptoms, borderline pathology, emotional dysregulation, hopelessness, and suicidal ideation. History of SA was independently associated with perceived moderate to high risk of death on the most severe episode of self-harm (adjusted odds ratio [aOR], 15.93; 95% confidence interval [CI], 1.96-129.66), a longer duration (months) since self-harm debut (aOR, 1.07; 95% CI, 1.01-1.13), and suicidal ideation severity (aOR, 1.05; 95% CI, 1.01-1.11). Parental report of behavioral problems associated with SA suggested a strong association with externalizing problems. A combination of having a high level of psychopathology, externalizing problems, an extended history of self-harm behavior and use of more lethal self-harm methods seems to entail a significantly increased risk for making SAs among adolescents with non-suicidal self-harm. HIGHLIGHTSNon-suicidal self-harm (NSSH) with suicide attempt may be distinctive from NSSH without suicide attempt.Adolescents with NSSH with suicide attempt had relatively greater psychopathology.Protracted/lethal self-harm methods and externalizing problems indicate comorbidity.

The association between body dysmorphic symptoms and suicidality among adolescents and young adults: a genetically informative study

BACKGROUND

Previous research indicates that body dysmorphic disorder (BDD) is associated with risk of suicidality. However, studies have relied on small and/or specialist samples and largely focussed on adults, despite these difficulties commonly emerging in youth. Furthermore, the aetiology of the relationship remains unknown.

METHODS

Two independent twin samples were identified through the Child and Adolescent Twin Study in Sweden, at ages 18 (N = 6027) and 24 (N = 3454). Participants completed a self-report measure of BDD symptom severity. Young people and parents completed items assessing suicidal ideation/behaviours. Logistic regression models tested the association of suicidality outcomes with: (a) probable BDD, classified using an empirically derived cut-off; and (b) continuous scores of BDD symptoms. Bivariate genetic models examined the aetiology of the association between BDD symptoms and suicidality at both ages.

RESULTS

Suicidal ideation and behaviours were common among those with probable BDD at both ages. BDD symptoms, measured continuously, were linked with all aspects of suicidality, and associations generally remained significant after adjusting for depressive and anxiety symptoms. Genetic factors accounted for most of the covariance between BDD symptoms and suicidality (72.9 and 77.7% at ages 18 and 24, respectively), but with significant non-shared environmental influences (27.1 and 22.3% at ages 18 and 24, respectively).

CONCLUSIONS

BDD symptoms are associated with a substantial risk of suicidal ideation and behaviours in late adolescence and early adulthood. This relationship is largely explained by common genetic liability, but non-shared environmental effects are also significant and could provide opportunities for prevention among those at high-risk.

Suicidality and Associated Factors Among Individuals Assessed for Fetal Alcohol Spectrum Disorder Across the Lifespan in Canada

OBJECTIVE

Individuals with fetal alcohol spectrum disorder (FASD) experience a range of complex neurodevelopmental, psychological, and socioenvironmental vulnerabilities. There is growing evidence that suicidal ideation, attempts, and death by suicide are significant concerns within this population. In this study, we (1) determined the rate of suicidal ideation/attempts in a large group of individuals with prenatal alcohol exposure (PAE) who were assessed for FASD in Canada and (2) investigated the associations between suicidal ideation/attempts and select demographic and biopsychosocial factors in this group.

METHOD

A secondary analysis of data from Canada's National FASD Database, a national repository of clinical information gathered through FASD assessment and diagnostic clinics across the country, was conducted. Descriptive analyses, chi-square/Fisher's exact tests, and binary logistic regression were used to examine demographic and biopsychosocial variables and their associations with suicidality.

RESULTS

In our sample of 796 participants (M_age = 17.7 years, range = 6-59; 57.6% male) assessed for FASD, 25.9% were reported to experience suicidal ideation/attempts. Numerous demographic and biopsychosocial factors were found to be significantly associated with suicidal ideation/attempts. The strongest associations with suicidal ideation/attempts were substance use, history of trauma/abuse, and impaired affect regulation.

CONCLUSIONS

With this study, we contribute to the emerging evidence of elevated risk of suicidality among individuals with PAE/FASD and improve our understanding of factors that may exacerbate this risk. Findings have relevance for improving screening, prevention, and proactive treatment approaches for individuals with PAE and FASD, their families, and wider support systems.

Disclosure of suicidal thoughts and behaviors: The impact of suicide event type

OBJECTIVES

Despite its importance, limited work has investigated the nuances of suicidal thoughts and behavior self-disclosure. The present study aimed to examine potential differences in self-disclosure based on whether an individual has disclosed suicidal thinking versus behavior.

METHODS

Two hundred and four participants having disclosed their suicidal thoughts or behaviors completed a battery of online questionnaires assessing several key aspects of disclosure (i.e., disclosure recipient, perceived helpfulness of disclosure, impact on treatment seeking), as it pertained to both one's first and overall disclosure experiences.

RESULTS

Individuals who disclosed a suicide attempt, versus ideation, were more likely to have disclosed to a formal support (i.e., health professional) and to seek professional help following disclosure. No significant group differences in perceived helpfulness of experiences were found.

CONCLUSION

It may be beneficial to increase opportunities for disclosure of suicidal thinking. Overall, disclosures were perceived as helpful and may not impede future help-seeking behavior.

Early Life Trauma, Suicide Ideation, and Suicide Attempts: The Role of Rumination and Impulsivity

Suicide is the second leading cause of death for young adults in the United States. One of the many risk factors for suicide includes exposure to early life trauma. The present study examined whether rumination and impulsivity play a role in the relationship between early life trauma and increased risk for suicidal behavior (i.e., suicide ideation and suicide attempts) among 426 young adults. Early life trauma was associated with brooding, reflective rumination, and impulsivity in the form of negative urgency. Current or recent suicide ideators self-reported greater early life trauma, ruminative thinking, and impulsivity than non-ideators and non-attempters. Further, a multinomial logistic regression found that early life trauma, reflection, lack of premeditation, and lack of perseverance were associated with higher odds of reporting suicide ideation in the previous 6 months. We also found indirect relationships between early life trauma and suicide ideation through brooding or reflection and lack of perseverance in serial mediation analyses. These findings suggest that early life trauma may increase risk of suicide ideation to the degree that it leads to ruminative thinking and lack of follow-through with difficult tasks. How early life trauma might increase risk for ruminative thinking, impulsivity, and subsequent suicidal behavior is discussed.

Risk factors for suicide attempts among U.S. military veterans: A 7-year population-based, longitudinal cohort study

BACKGROUND

Population-based data on risk factors for suicide attempts among veterans remains limited.

METHODS

A national probability sample of 2307 veterans was followed over the course of four timepoints spanning seven years to examine how a range of baseline risk factors predict incident suicide attempt. Suicide attempt data were aggregated into a single follow-up timepoint.

RESULTS

Sixty-two veterans (3.1%) reported attempting suicide during the 7-year period. The strongest risk factors for suicide attempts were higher baseline levels of loneliness, lower baseline levels of adaptive psychosocial traits (e.g., dispositional gratitude), baseline thoughts of self-harm, and greater post-baseline trauma exposures (12.3%-41.3% of explained variance). Veterans with multiple co-occurring risk factors were at greatest risk for attempts; of veterans with 0, 1, 2, 3, and all 4 of these factors, the predicted probability of suicide attempt was 2.0%, 5.3%, 13.5%, 30.4%, and 55.0%, respectively.

CONCLUSIONS

Baseline loneliness, dispositional gratitude, thoughts of self-harm, and new-onset traumas emerged as the strongest risk factors for suicide attempts among veterans, underscoring the potential importance of targeting these factors in prevention efforts. Veterans with multiple co-occurring risk factors have substantially greater risk for suicide attempts, suggesting that examination of multiple coinciding vulnerability factors may help improve suicide risk prediction models.

The Roles of Emotion Regulation Self-Efficacy and Emotional Avoidance in Self-Injurious Thoughts and Behaviors

Little research has examined the role of emotion regulation self-efficacy (ERSE; i.e., beliefs in one's own ability to regulate emotions) in self-injurious thoughts and behaviors (SITBs) or the factors that may underlie this relation. This study investigated whether low ERSE relates to SITBs both directly and indirectly through avoidance of negative emotions. Participants (N = 364) completed measures of ERSE, emotional avoidance, suicide attempt history, nonsuicidal self-injury (NSSI), and current severity of suicidal ideation through Amazon's Mechanical Turk. Low ERSE was significantly associated with history of suicide attempts, recent NSSI, and current severity of suicidal ideation both directly and indirectly through avoidance of negative emotions. Furthermore, low ERSE was significantly associated with a greater number of SITB types both directly and indirectly through emotional avoidance.

Maternal Suicide Ideation and Behaviour During Pregnancy and the First Postpartum Year: A Systematic Review of Psychological and Psychosocial Risk Factors

Suicide is a leading cause of maternal death during pregnancy and up to a year after birth (perinatal period). Many psychological and psychosocial risk factors for maternal suicidal ideation and behaviour have been investigated. Despite this, there have been no attempts to systematically search the literature on these risk factors. Additionally, few studies have described how the risk factors for suicidal ideation, attempted suicides and suicide deaths differ, which is essential for the development of tools to detect and target suicidal ideation and behaviour. Seven databases were searched up to June 2021 for studies that investigated the association between suicidal ideation and/or suicidal behaviour and psychological/psychosocial risk factors in pregnant and postpartum women. The search identified 17,338 records, of which 59 were included. These 59 studies sampled a total of 49,929 participants and investigated 32 different risk factors. Associations between abuse, experienced recently or during childhood, and maternal suicide ideation, attempted suicide and death were consistently reported. Social support was found to be less associated with suicide ideation but more so with suicide attempts. Identifying women who have experienced domestic violence or childhood abuse and ensuring all women have adequate emotional and practical support during the perinatal period may help to reduce the likelihood of suicidal behaviour.

Predictors of suicide attempt in patients with obsessive-compulsive disorder: an exploratory study with machine learning analysis

BACKGROUND

Patients with obsessive-compulsive disorder (OCD) are at increased risk for suicide attempt (SA) compared to the general population. However, the significant risk factors for SA in this population remains unclear - whether these factors are associated with the disorder itself or related to extrinsic factors, such as comorbidities and sociodemographic variables. This study aimed to identify predictors of SA in OCD patients using a machine learning algorithm.

METHODS

A total of 959 outpatients with OCD were included. An elastic net model was performed to recognize the predictors of SA among OCD patients, using clinical and sociodemographic variables.

RESULTS

The prevalence of SA in our sample was 10.8%. Relevant predictors of SA founded by the elastic net algorithm were the following: previous suicide planning, previous suicide thoughts, lifetime depressive episode, and intermittent explosive disorder. Our elastic net model had a good performance and found an area under the curve of 0.95.

CONCLUSIONS

This is the first study to evaluate risk factors for SA among OCD patients using machine learning algorithms. Our results demonstrate an accurate risk algorithm can be created using clinical and sociodemographic variables. All aspects of suicidal phenomena need to be carefully investigated by clinicians in every evaluation of OCD patients. Particular attention should be given to comorbidity with depressive symptoms.

Suicidal behaviour in Aboriginal and non-Aboriginal young men under custodial youth justice supervision: understanding the role of adverse childhood experiences

This study examined the association between adverse childhood experiences (ACEs) and suicidal behaviour in a sample of 1726 young men in an Australian youth justice detention population. Nine ACEs, including child abuse and parental risk factors, were examined. Analyses focused on whether ACEs were associated with suicidal ideation and attempts after controlling for other known correlates including substance use, aggression and out-of-home care exposure. Aboriginal and Torres Strait Islander young men were found to have a higher prevalence and a higher average score of ACEs, but differed very little in relation to reported suicidal behaviour. Higher ACEs scores and specific maltreatment types (i.e. physical and sexual abuse) were positively associated with suicidal behaviour. This relationship was attenuated after controlling for established correlates of suicidal behaviour. The findings underscored the importance of understanding ACEs as major risk factors for suicide in youth justice populations and the need for effective prevention measures.

Factors precipitating suicide attempts vary across race

OBJECTIVE

Although research has identified interpersonal, intrapersonal, and achievement-related factors that precipitate suicide attempts (SAs), how these factors vary by race/ethnicity is unknown. We examined racial/ethnic differences in SA precipitants in a racially/ethnically diverse sample of young adults (YAs) with a SA history.

METHOD

Two-hundred twenty-nine young adults, ages 18-33 (87% women), reported their method of attempt, and 200 of those reported on their SA precipitants. The latter were coded by three independent judges (Data were collected March 2012-December 2016.).

RESULTS

SAs were most often precipitated by intrapersonal factors, followed by interpersonal factors. Logistic regressions revealed that Hispanic, Asian, and Biracial YAs had higher odds of reporting interpersonal precipitants compared to Black YAs.

CONCLUSION

Suicide prevention and intervention should address both interpersonal and intrapersonal factors that increase vulnerability to SA across racial/ethnic groups, although interventions with Black YAs might focus more on intrapersonal than on interpersonal factors.

Impact of the COVID-19 Pandemic on the Suicidal Behavior in Romania

Suicide rates reflect the mental health status in certain countries or regions. As the COVID-19 infection developed as a pandemic and governments imposed certain measures to stop the spread of the virus, mental health was affected worldwide. Romania was no exception as the government issued a complete lockdown with restriction regarding travels, social gatherings, transition to working from home and others. The increase in the rate of unemployment, the difficulties in accessing the health services and the social distancing generated by the restrictions had a major impact on lifestyle with a potential surge of psychiatric disorders, with or without history of illness. In this study, we analyzed the changes in regard to the number of suicides and suicide attempts as well as the methods employed and the underlying psychiatric pathology in Cluj County, Romania, throughout the first year of the pandemic. The results had not revealed changes in the overall suicide rate, but in the case of mild cognitive disorders and dementia the suicide figures increased, while a decrease was observed in the number of suicides related to substance use disorders. The long-term effects of the pandemic remain unknown, but there is a clear impact on mental health and measures should be taken in order to prevent suicides.

Altered Levels of Plasma Inflammatory Cytokines and White Matter Integrity in Bipolar Disorder Patients With Suicide Attempts

OBJECTIVE

Bipolar disorder (BD) has a higher lifetime rate of suicide attempts (SA) than other psychiatric disorders. Furthermore, BD patients with SA (BD + S) are prone to a worse quality of life. However, the pathophysiology of BD + S is poorly understood. To further reveal the potential mechanisms of BD + S, abnormalities in peripheral plasma inflammatory cytokines and brain white matter (WM) in BD + S, as well as the correlation between them are investigated.

METHODS

We tested the levels of TNF-α, IL-1β, and IL-6 in peripheral plasma and collected the diffusion tensor imaging (DTI) data from 14 BD + S, 24 BD patients without SA (BD-S), and 26 healthy controls (HCs). The three groups were matched by age and gender. The levels of TNF-α, IL-1β, and IL-6 were detected by Luminex multifactor detection technology, and the fractional anisotropy (FA) values were employed to depict the alterations of WM. Partial correlation analyses were conducted to detect correlations between levels of TNF-α, IL-1β, and IL-6 and changes of WM, and the relationships between severity of clinical symptoms, including scores of HAMD-17 and YMRS, and cytokine levels or FA values in all groups.

RESULTS

For plasma inflammatory cytokines, there was no significant difference in their levels except for IL-6 among the three groups. Post-hoc analyses revealed that increased IL-6 level was only detected in BD + S (p < 0.05, Bonferroni correction). For DTI, BD + S showed specifically decreased FA in the bilateral middle cerebellar peduncle and the left superior corona radiata compared to BD-S and HCs (p < 0.05, Bonferroni correction). Additionally, both BD + S and BD-S groups revealed decreased FA in the bilateral body and genu of corpus callosum (CC) compared to HCs (p < 0.05, Bonferroni correction). No significant correlation between plasma inflammatory cytokines and WM integrity was found. In the BD + S group, we found negative correlation between the scores of YMRS and FA values of the left middle cerebellar peduncle (r = -0.74, p = 0.035).

CONCLUSION

The inflammation and impaired WM integrity may provide a scientific basis to understand the potential mechanisms of BD + S.

Preliminary Evidence That the Short Allele of 5-HTTLPR Moderates the Association of Psychiatric Symptom Severity on Suicide Attempt: The Example in Obsessive-Compulsive Disorder

BACKGROUND

The severity of symptoms represents an important source of distress in patients with a psychiatric disease. However, the extent to which this endogenous stress factor interacts with genetic vulnerability factors for predicting suicide risks remains unclear.

METHODS

We evaluated whether the severity of symptoms interacts with a genetic vulnerability factor (the serotonin transporter gene-linked promoter region variation) in predicting the frequency of lifetime suicide attempts in patients with a psychiatric disease. Symptom severity and 5-HTTLPR polymorphism were collected from a sample of 95 patients with obsessive-compulsive disorder (OCD). Lifetime suicide attempt was the primary outcome, and antecedent of multiple suicide attempts was the secondary outcome.

RESULTS

The gene-by-symptoms interaction was associated with an excess risk of suicide attempts (OR = 4.39, 95CI[1.44, 13.38], p < 0.009) and of multiple suicide attempts (OR = 4.18, 95CI[1.04, 16.77], p = 0.043). Symptom severity (moderate, severe, or extreme) was associated with an approximately five-fold increase in the odds of a lifetime suicide attempt in patients carrying one or two copies of the short allele of 5-HTTLPR. No such relationship was found for patients carrying the long allele.

CONCLUSION

This study provides preliminary evidence for the gene-by-stress interaction on suicide attempt when stress is operationalized as symptom severity. Progress in suicide research may come from efforts to investigate the gene-by-symptoms interaction hypothesis in a variety of diseases.