Archives of Suicide Research最新文献

Objective: Suicide remains a public health problem within the United Kingdom (UK) and globally. Impulsivity is a key risk factor within the Integrated Motivational-Volitional Model (IMV) of Suicide warranting further study. The current study applied a multi-dimensional impulsivity framework (UPPS-P) to differentiate suicidality subgroups within an IMV framework (i.e., no suicidal behavior, suicidal ideation only, and suicide attempt). Impulsivity subscales were evaluated as moderators of the suicidal ideation-future suicide attempt link.

Method: Adults living in the UK (N = 1027) completed an online survey addressing demographics, impulsivity, psychological distress, and lifetime suicidal behavior. We used analysis of variance (ANOVA) and linear regression with simple slopes analyses to investigate study objectives.

Results: Data analyses revealed that: (1) four impulsivity subtypes (negative urgency, positive urgency, lack of premeditation, sensation-seeking) differentially distinguished suicidal behavior groups; (b) negative urgency, positive urgency, and lack of premeditation were meaningfully associated with suicide outcomes, and (c) negative urgency served as a moderator of the suicidal ideation-future attempt link.

Conclusions: Urgency, regardless of positive or negative valence, is important for understanding differences in lifetime suicidal behavior. Sensation-seeking may play a protective role for direct suicidal behavior. Negative urgency may be the most prominent aspect of impulsivity when considered as an IMV moderator. Findings are contextualized with respect to impulsivity and IMV frameworks. Clinical implications involve accounting for negative urgency in suicide risk assessment and intervention.

Background: Depression, loneliness, and alcohol use disorder are associated with suicide ideation. The ongoing COVID-19 pandemic has challenged our social structures with social distancing and isolation policies implemented worldwide, severely restricting social interactions. Studies regarding the effects of the pandemic are starting to shed light on the harmful psychological effects of these policies.

Aims: This study aims to identify whether the increase in suicidal ideation among college students (mostly young adults) during the pandemic was due to the known risk factors of loneliness, depression, alcohol use disorder, social media addiction, and other background variables.

Method: Nine hundred and eleven college students completed self-report questionnaires assessing suicidal risk, depressive symptoms, loneliness, excessive alcohol use, and social media use.

Results: During the pandemic suicidal ideation was associated with loneliness (χ² = 54.65, p < 0.001), depressive symptoms (χ² = 110.82, p < 0.001), alcohol use disorder (χ² = 10.02, P < 0.01) and social media addiction (χ² = 13.73, P < 0.001). Being single [OR = 2.55; p < 0.01], and self-identifying as a non-heterosexual [OR = 2.55; p < 0.01] were found to constitute additional risk factors.

Limitations: The structural nature of quantitative self-report scales does not offer the flexibility of gaining a deeper understanding of causes, specific to particular circumstances that may lead participants to ideate on suicide, even briefly.

Conclusions: Social distancing and isolation policies during the COVID-19 pandemic constitute an additional factor in the risk for suicide ideation.

Background: Suicide is the 10th leading cause of death among Australian males. Despite the cultural diversity in Australia, there is a significant research gap in knowledge of suicidal behavior among Australian males from ethnically and culturally diverse backgrounds. The study aimed to estimate the prevalence and risk of suicidal behaviors among Australian males based on ethnicity, with an emphasis on those from ethnic-minority backgrounds.

Methods: We used data from the first wave of the Australian Longitudinal Study on Male Health. Multiple logistic regression models were used to determine the risk of suicidal behavior (lifetime suicide attempt, lifetime suicidal ideation, recent suicidal ideation) by ethnicity.

Results: Among ethnic minority males, Pacific Islander males also had the highest prevalence of lifetime suicide attempts (12.2%), while Middle Eastern (2.3%) and South-/North-East Asian males (2.9%) had the lowest rates. South American males had the highest recent suicidal ideation (18.2%), followed by Pacific Islanders (14.2%). The highest prevalence of lifetime suicidal thoughts was reported among males of mixed ethnicity (23.0%), followed by South American (14.6%) and Pacific Islander (13.5%) males. Most ethnic-minority groups had a lower risk of lifetime suicidal ideation compared with Australian males. Evidence regarding differences in recent suicidal ideation and lifetime suicide attempts between ethnic-minority and Australian-background males was inconclusive.

Conclusion: Evidence was found of differences in suicidal behaviors among Australian males based on ethnicity. Future research should use inclusive methodologies to confirm these associations and explore the underlying factors contributing to higher rates of suicidal behavior in specific populations.

Objective: The present study seeks to add to the existing literature by determining if having a plan for suicide, is associated with an individual's self-reported likelihood of attempting suicide in the future.

Method: Data came from a sample of 97 United States Army personnel with past week ideation or lifetime attempt history. Assessments were collected at baseline, 1-month, 3-month, and 6-months.

Results: Self-reported likelihood of attempting suicide in the future was not associated with the presence of a plan for suicide overall or a plan with a specific method (i.e., firearm, cutting/scratching, and medication).

Discussion: Although a plan for suicide is commonly thought to indicate elevated risk our findings suggest that presence or absence of suicide plans is not associated with more self-reported likelihood of a future suicide attempt.

Objective: The aim of this study was to investigate sex differences in suicide ideation and attempt at different career stages and test hypotheses derived from the Interpersonal Theory of Suicide (IPTS) in a sample of veterinarians.

Method: The sample of currently practicing veterinarians used for this study (N = 10,319) was derived from a larger sample. Participants completed an online self-report questionnaire.

Results: As predicted, women generally had a higher prevalence of suicide ideation and attempt across career stages, except men and women showed similar rates of suicide attempt after veterinary school. Contrary to hypotheses, no interaction effects between IPTS variables were observed. However, perceived burdensomeness, thwarted belongingness, and hopelessness exhibited the main effects of suicide ideation, and there were main effects of perceived burdensomeness and hopelessness on suicide attempt. Compared with perceived burdensomeness and thwarted belongingness, hopelessness had a relatively more robust relationship with suicide ideation. We also found a significant relationship between fearlessness about death and suicide attempt, but no relationship between self-reported pain tolerance and suicide attempt.

Conclusions: Some of our findings were consistent with the IPTS while others were not. Future research would benefit from a longitudinal examination of suicidality in veterinarians.

Objective: Elevated rates of suicidal ideation (SI) and suicide attempts (SA) among youth, particularly multiply marginalized youth, are occurring in the context of youths' access to household firearms. Research examining how perceived access to firearms is related to SI and SA among youth with marginalized identities is limited and often neglects to consider intersectionality. This study explored how intersecting social identities and positions, access to firearms, and socio-structural factors were associated with SI and SA for youth.

Method: The analytic sample (N = 17,794) included 7-12^th grade students who participated in the 2021 Dane County Youth Assessment. Exhaustive CHAID - a decision tree matrix approach - examined all possible combinations of self-reported sociodemographic characteristics (gender identity, sexual identity, racial identity, grade, and firearm access) and socio-structural variables (bias-based bullying, school belongingness, and social pressure) to predict mutually exclusive groups of youth based on past-year SI and SA.

Results: SI and SA was most prevalent among intersectional groups with multiply marginalized identities and access to firearms. Socio-structural factors, including bias-based bullying victimization, lack of school belongingness, and social pressure, were characteristic of groups with higher prevalence of SI and SA.

Conclusions: While the marginalized youth in this sample have lower access to firearms, the prevalence of SI and SA was highest among multiply marginalized youth who reported access to firearms in the context of bias-based bullying, social pressure, and a lack of school belongingness. Youth suicide prevention efforts would be strengthened by policies that address firearm access and improve the school environment.

Objective: Suicide disproportionately affects low- and middle-income countries and evidence regarding prevention approaches developed in high income countries may not be applicable in these settings. We conducted an umbrella review to assess whether the conclusions of suicide prevention systematic reviews accurately reflect the studies contained within those reviews in terms of setting generalizability.

Methods: We conducted database searches in PubMed/Medline, Embase, PsycInfo, PsychExtra, OVID global health, and LILACS/BECS. We included systematic reviews with the outcome of suicide, including bereavement studies where suicide death was also the exposure.

Results: Out of the 147 reviews assessed, we found that over 80% of systematic reviews on suicide deaths do not provide an accurate summary of review findings with relation to geographic relevance and ultimately generalizability.

Conclusion: Systematic reviews are often the resource used by practitioners and policymakers to guide services. Misleading reviews can detrimentally impact suicide prevention efforts in LMICs. We call for systematic reviewers to be responsible when generalizing the findings of their reviews particularly in the abstracts.

Objective: Deficits in decision-making (DM) are a significant risk factor for suicidal behaviors. However, specific patterns of DM aspects have rarely been examined. This study examined the profiles of DM and their relationship with suicide ideation and attempts.

Methods: A total of 175 young adults participated in an online survey and the Cambridge Gambling Task between October and November 2021.

Results: Based on the latent profile analysis with four aspects of DM-risk DM, risk adjustment, DM speed, and delay-discounting-as indicators, three profiles were identified: (1) no deficit class, (2) high risk DM class, and (3) slow DM speed class. Higher use of an avoidant and dependent DM styles was associated with a greater likelihood of being in the slow DM speed class. Younger age and psychache was associated with a greater likelihood of being in the high risk DM class. The rates of lifetime suicide ideation (i.e., wish for death, suicide intent, and suicide plan) and lifetime suicide attempt were higher in the high risk DM class than in the no deficit class. The rate of lifetime wish for death was higher in the slow DM speed class than in the no deficit class.

Conclusions: Suicide prevention may benefit from addressing DM, which is characterized by high risk and slow speed.

Objective: Female labor-force participation (FLFP) has been theorized as contributing to higher suicide rates, including among women. Evidence on this relationship, however, has been mixed. This study explored the association between FLFP and suicide in an understudied context, Taiwan, and across 40-years.

Methods: Annual national labor-participation rates for women ages 25-64, and female and male suicide-rates, for 1980-2020, were obtained from Taiwan's Department of Statistics. The associations between FLFP rates and sex/age-stratified suicide-rates, and between FLFP rates and male-to-female suicide-rates ratios were assessed via time-series regression-analyses, accounting for autoregressive effects.

Results: Higher FLFP rates were associated with lower female suicide-rates (ß = -0.06, 95% CI (Credibility Interval) = [-0.19, -0.01]) in the adjusted model. This association held in the age-stratified analyses. Associations for FLFP and lower male suicide-rates were observed in the ≥45 age-groups. FLFP rates were significantly and positively associated with widening male-to-female suicide-rates ratios in the adjusted model (ß = 0.24, 95% CI = [0.03, 0.59]).

Conclusion: This study's findings suggest that FLFP protects women from suicide, and point to the potential value of FLFP as a way of preventing suicide. In Taiwan, employed women carry a double-load of paid and family unpaid care-work. Child care-work is still done by mothers, often with grandmothers' support. Therefore, this study's findings contribute to evidence that doing both paid work and unpaid family care-work has more benefits than costs, including in terms of suicide-protection. Men's disengagement from family care-work may contribute to their high suicide rates, despite their substantial labor-force participation.

Objective: Individuals with recent nonsuicidal self-injury (NSSI) are at elevated risk for suicide but our understanding of the factors that impact the emergence of suicidal ideation and/or suicide attempts in this group is limited. The current study aimed to evaluate whether the processes identified by existing ideation-to-action theories of suicide apply within this subgroup.

Method: A sample of 362 university students (77.9% female, 88.5% White) who reported past year engagement in NSSI completed an anonymous online questionnaire assessing past year NSSI, suicidal ideation, and suicide attempts as well as hopelessness, interpersonal, and acquired capability/volitional variables. Participants were divided into NSSI only (controls), NSSI + Ideation, and NSSI + Suicide Attempt groups.

Results: A one-way ANOVA evaluated group differences on the theoretical factors. There were significant differences between NSSI controls and both the ideation and attempt groups, who did not differ from each other, on hopelessness and interpersonal factors. No significant differences were observed across groups for the volitional factors except for impulsivity, which differed between the NSSI controls and ideation group.

Conclusion: Results suggest suicide ideation-to-action theories may have applicability to understanding the presence of suicide ideation among those with NSSI but may lack specificity for understanding risk for suicide attempts.