Family history of suicide and high motor impulsivity distinguish suicide attempters from suicide ideators among college students

Suicide in college students has become an important public health issue in China. The aim of this study was to identify the differences between suicide attempters and suicide ideators based on a cross-sectional survey. Our results indicate that although female gender, positive screening for psychiatric illness, positive family history of suicide, elevated overall impulsivity, and elevated motor impulsivity were correlated with suicidal ideation, only positive family history of suicide and high motor impulsivity could differentiate suicide attempters from suicidal ideators. Future research with a longitudinal and prospective study design should be conducted to confirm these findings.     

Suicidal ideation and suicide attempts: Comorbidity with depression,anxiety disorders,and substance abuse disorder

The effect of comorbidity on rates of suicidal ideation and suicide attempts from an adult general population of former West Germany is investigated. The assessment instrument is a modified German version of the Diagnostic Interview Schedule (DIS), a fully standardized interview for the assessment of selected DSM-III lifetime diagnoses as well as suicidal ideation and suicide attempts. Of the general population 4.1% (2.2% male and 4.1% female) made suicide attempts during their lifetime. Only 2 of 18 people who attempted suicide did not meet criteria for a DSM-III-R diagnosis. Cases with pure major depression did not have an odds ratio for suicide attempts significantly higher than subjects with no DSM-III diagnosis. However, cases with both a major depression and a lifetime-anxiety-disorder diagnosis showed significantly elevated odds ratios. Therefore, it is suggested that comorbidity of anxiety and depression, and not depression itself, seems to be a risk factor for suicide attempts.     

The relationship between early suicide behaviors and mental health: Results from a nine-year panel study

This paper employs community-level data to examine the relationship between suicide behaviors, measured at age eleven, and two mental health outcomes assessed nine-years later. Specifically, we assess the role and significance of suicide ideation and suicide attempts in substance dependence and depressive symptomatology. We evaluate these linkages in the context of two hypothesized mediators: exposure to social stress and T-1 depressive symptoms. Results indicate suicide ideation and attempts are significant predictors of later mental health problems. However, controlling for T-1 depression and stress exposure explains away the relationship between suicide attempts and later mental health. In contrast, suicide ideation remained a robust predictor of depression and drug dependence. The implications of these findings are discussed.     

Self-compassion and family cohesion moderate the association between suicide ideation and suicide attempts in Chinese adolescents

BackgroundIn recent years, many studies have examined risks factors that facilitated the transition from suicide ideation to suicide attempts. Few studies, however, have examined protective factors against this transition. The current study thus assessed two protective factors, self-compassion and family cohesion, in buffering the transition from suicide ideation to suicide attempts.MethodA number of 520 Chinese adolescents (43.46% females, mean age = 12.96 years) completed questionnaires assessing self-compassion, family cohesion, suicide ideation, and suicide attempts two times with a 12-month interval.ResultsSelf-compassion significantly moderated the association between Wave 1 SI and later SA. The positive dimension of self-compassion thwarted the transition from SI and SA, and the negative dimension of self-compassion strengthened the associations. In addition, family cohesion also significantly moderated the transition from SI to SA.ConclusionIncreasing the levels of self-compassion and family cohesion may be the targets for treating adolescents with suicide ideation to prevent them from attempting suicide.     

The acquired capability for suicide: A comparison of suicide attempters,suicide ideators,and non‐suicidal controls

Background: The Interpersonal Theory of Suicide states that to make a serious or lethal suicide attempt, a person must experience reductions in fear and pain sensitivity sufficient to overcome self preservation reflexes (i.e., the acquired capability for suicide). The purpose of this study was to examine the fearlessness component of the acquired capability for suicide using self‐report assessment instruments and an objective measure of aversion (the affectively modulated startle reflex task). Methods: Depressed suicide ideators (n=15), depressed suicide attempters (n=15), and a group of control participants (n=14) were compared on their self‐report of acquired capability and painful and provocative life events, and completed the affectively modulated startle reflex task. This task compared electromyography recordings of participants' eye‐blink response to a startle probe while viewing pictures of varying hedonic valence (neutral, positive, negative, and suicide‐related). Results: Suicide attempters reported the highest levels of fearlessness and pain insensitivity and a greater history of painful and provocative life events. Although no group differences were found on the psychophysiology data, participants reacted to suicide‐related images with less aversion compared to neutral images with no differences between suicide‐related and positive images. Conclusions: Self‐reported fearlessness and pain insensitivity can differentiate suicide attempters and suicide ideators. Results suggest that one's self‐perception (i.e., cognitions regarding fear and pain tolerance) are more functionally related to suicide attempts than psychophysiological reactivity to suicide‐related stimuli. Depression and Anxiety, 2010. © 2010 Wiley‐Liss, Inc.     

Correlations between interpersonal and cognitive difficulties: Relationship to suicidal ideation in military suicide attempters

BackgroundUnderstanding suicidal ideation may help develop more effective suicide screening and intervention programs. The interpersonal and the cognitive-deficit theories seek to describe the factors leading to suicidal behavior. In the military setting it is common to find over- and under-reporting of suicidal ideation. This study sought to determine the relationship between these two models and determine to what degree their components can indirectly predict suicidal ideation.MethodsSuicide attempters (n = 32) were compared with non-suicidal psychologically treated peers (n = 38) and controls (n = 33), matched for sex and age (mean 19.7 years). Pearson's analysis was used to quantify the relationship between the variables from the two models and hierarchal regression analysis was used to determine the explanation of suicidal ideation variance by these variables.ResultsSuicide attempters have more difficulties in problem-solving, negative emotion regulation and burdensomeness compared with their peers (P < .001). These variables are all closely correlated with each other and to suicide ideation (r > ± 0.5; P < .001). Prior suicide attempt, loneliness and burdensomeness together explain 65% (P < .001) of the variance in suicidal ideation.ConclusionsSuicidal ideation is strongly correlated with components of interpersonal and cognitive difficulties. In addition to assessing current suicidal ideation, clinicians should assess past suicide attempt, loneliness and burdensomeness.     

Impulsivity and clinical symptoms among adolescents with non-suicidal self-injury with or without attempted suicide

This study examined clinical characteristics and laboratory-measured impulsive behavior of adolescents engaging in either non-suicidal self-injury with (NSSI + SA; n = 25) or without (NSSI-Only; n = 31) suicide attempts. We hypothesized that adolescent with NSSI + SI would exhibit more severe clinical symptoms and higher levels of behavioral impulsivity compared to adolescents with NSSI-Only. Adolescents were recruited from an inpatient psychiatric hospital unit and the two groups were compared on demographic characteristics, psychopathology, self-reported clinical ratings, methods of non-suicidal self-injury, and two laboratory impulsivity measures. Primary evaluations were conducted during psychiatric hospitalization, and a subset of those tested during hospitalization was retested 4–6 weeks after discharge. During hospitalization, NSSI + SA patients reported worse depression, hopelessness, and impulsivity on standard clinical measures, and demonstrated elevated impulsivity on a reward-directed laboratory measure compared to NSSI-Only patients. In the follow-up analyses, depression, hopelessness, suicidal ideation, and laboratory impulsivity were improved for both groups, but the NSSI + SA group still exhibited significantly more depressive symptoms, hopelessness, and impulsivity than the NSSI-Only group. Risk assessments for adolescents with NSSI + SA should include consideration not only of the severity of clinical symptoms but of the current level impulsivity as well.     

Non-suicidal self-injury in adolescence: A longitudinal study of the relationship between NSSI,psychological distress and perceived parenting

ObjectiveThe present study investigates whether either adolescents' psychological distress and/or perceived parenting predicted the occurrence of NSSI. Furthermore, the consequences of NSSI are examined in a three-wave longitudinal study.DesignThe sample at time 1 (age 12) consisted of 1396 adolescent reports and 1438 parent reports. At time 2 (age 13), 827 adolescent reports and 936 parent reports were obtained. Time 3 (age 14) included 754 adolescent reports and 790 parent reports. Psychological distress of adolescents was measured using the Strengths and Difficulties Questionnaire. Perceived parenting behaviors were examined by the Parental Behavior Scale and the Psychological Control Scale.ResultsA total of 10% of the adolescents engaged in NSSI at least once before age 15. Higher psychological distress of adolescents at time 1 was associated with the presence of NSSI at time 2 or 3. The association between psychological distress at time 1 and perception of decreased parental rule setting at time 3 was mediated by the presence of NSSI at time 2.ConclusionsThe present study showed that psychological distress at age 12 predicts NSSI over time and that parental awareness of NSSI changes the perception of parenting behaviors.     

Pediatric emergency department suicidal patients: two-site evaluation of suicide ideators, single attempters, and repeat attempters

ObjectiveReducing youth suicide and suicide attempts are national priorities. Suicidal youth emergency department (ED) patients are at high risk for repeat and fatal attempts, yet information is lacking to guide service delivery. In one of the largest clinical studies of youth ED patients presenting with suicidality, we examine ideators, single attempters, and repeat attempters with the aim of clarifying optimal strategies for ED management and risk assessment.MethodConsecutively admitted suicidal youths (10–18 years) from two EDs (N = 210) completed a questionnaire assessing sociodemographic, clinical, service use, and environmental stress variables.ResultsDespite differences in background characteristics, high levels of depression, externalizing behavior, posttraumatic stress symptoms, substance use, and thought problems were observed across sites. Suicide attempt risk, defined along a continuum ranging from ideation to single attempts to repeat attempts, was predicted by higher levels of clinical symptoms, service use, and environmental stress. Specific stresses associated with increased suicide attempt risk were romantic breakups, exposure to suicide/suicide attempts, and pregnancy in self or partner. Significant predictors of attempt risk in the male-only subgroup were depression, thought problems, previous ED visits, and romantic breakups.ConclusionsPediatric ED patients presenting with suicidal ideation, single attempts, and repeat attempts fall along a continuum of increasing risk. Suicide attempt risk in males is associated with high levels of depression, but not with increased treatment rates, suggesting undertreatment in males, a group with particularly high risk for death by suicide. Treatment barriers must be addressed to achieve our national goal of reducing suicide/suicide attempts in youths. J. Am. Acad. Child Adolesc. Psychiatry, 2008;47(8):958–966.     

Cannabis use disorder and suicide attempts in Iraq/Afghanistan-era veterans

The objective of the present research was to examine the association between lifetime cannabis use disorder (CUD), current suicidal ideation, and lifetime history of suicide attempts in a large and diverse sample of Iraq/Afghanistan-era veterans (N = 3233) using a battery of well-validated instruments. As expected, CUD was associated with both current suicidal ideation (OR = 1.683, p = 0.008) and lifetime suicide attempts (OR = 2.306, p < 0.0001), even after accounting for the effects of sex, posttraumatic stress disorder, depression, alcohol use disorder, non-cannabis drug use disorder, history of childhood sexual abuse, and combat exposure. Thus, the findings from the present study suggest that CUD may be a unique predictor of suicide attempts among Iraq/Afghanistan-era veterans; however, a significant limitation of the present study was its cross-sectional design. Prospective research aimed at understanding the complex relationship between CUD, mental health problems, and suicidal behavior among veterans is clearly needed at the present time.     

Self-Injurious Thoughts and Behaviors Interview-Korean Version: Psychometric Properties

ObjectiveThere is currently no structured interview tool developed that comprehensively evaluates self-injurious thoughts and behaviors (SITB) in Korea. The Self-injurious Thoughts and Behaviors Interview (SITBI) collectively measures suicidal ideation, plans, gestures, attempts, and non-suicidal self-injuries (NSSI). The SITBI’s reliability and validity have been established with it being widely used in English speaking countries. This study evaluated the psychometric validity of the Korean version of the SITBI (SITBI-K). MethodsThe SITBI’s validity as a diagnostic assessment tool for NSSI and suicidal behavior disorder (SBD), as defined by the Diagnostic and Statistical Manual of Mental Disorders-5th edition, was examined. Analyses were performed on 108 university students reporting experiences of suicidal thoughts and behaviors (female 84.26%, mean age=22.10, ±SD 3.33). Results The SITBI-K displayed excellent interrater reliability, with a credible test-retest reliability at two months. Construct validity examined the correlation between the SITBI-K’s modules and approved the self-report results. Appropriate convergent and discriminant validities were obtained for suicidal ideation, plans, gestures, attempts, and NSSI. Conclusion The SITBI-K showed excellent psychometric validity at a level comparable to the original. Its clinical utility for both NSSI and SBD diagnoses was confirmed.     

冲动性和攻击性对大学生自杀未遂行为的影响

目的 了解冲动性及攻击性对大学生自杀未遂行为的影响.方法 采用<自杀态度与心理健康状况问卷(大学版-Ⅳ)>对重庆市随机抽取的11所大学的12000名大学生进行调查.比较有无自杀未遂大学生中文版Barratt冲动行为量表与Buss和Perry攻击问卷的评估结果,分析冲动性及攻击性人格对大学生发生自杀行为的影响.结果 收集有效问卷9808份,大学生自杀未遂的报告率为1.7%(169/9808).自杀未遂组的冲动行为量表中的非计划性、行动冲动性和认知冲动性及总分均高于无自杀未遂组(P<0.001).自杀未遂组Buss和Perry攻击问卷的总分及身体攻击、言语攻击、愤怒、敌意、指向自我的攻击等各因子分均高于无自杀未遂组(P<0.01).多因素条件logistic回归分析显示,与自杀未遂最密切有关的独立危险因素排列为:攻击性总分高(OR=20.81,95%CI:12.36～35.03,P<0.01),行动冲动性分高(OR=4.32,95%CI:2.33～8.01,P<0.01).冲动性总分高(OR=3.37,95%CI:1.65～8.42,P<0.01),非计划性分值高(OR=3.12,95%CI:1.75～5.56,P<0.01),自杀意念强(OR=2.54,95%CI:1.75～3.70,P<0.01),已发生过性行为(3.12,95%CI:1.75～5.56,P<0.01),女性(OR=2.15,95%CI:1.48～3.14,P<0.01),指向自我的攻击分值高(OR=1.89,95%CI:1.24～2.88,P<0.01).结论 有自杀未遂的大学生更多体现出冲动性及攻击性人格,对大学生冲动性自杀行为应采取不一样的干预方案.     

Sleep problems, suicidal ideation, and self-harm behaviors in adolescence

Objective

Previous research has found an association between sleep problems and suicidal behavior. However, it is still unclear whether the association can be largely explained by depression. In this study, we prospectively examined relationships between sleep problems when participants were 12-14 years old and subsequent suicidal thoughts and self-harm behaviors—including suicide attempts—at ages 15-17 while controlling for depressive symptoms at baseline.

Methods

Study participants were 280 boys and 112 girls from a community sample of high-risk alcoholic families and controls in an ongoing longitudinal study.

Results

Controlling for gender, parental alcoholism and parental suicidal thoughts, and prior suicidal thoughts or self-harm behaviors when participants were 12-14 years old, having trouble sleeping at 12-14 significantly predicted suicidal thoughts and self-harm behaviors at ages 15-17. Depressive symptoms, nightmares, aggressive behavior, and substance-related problems at ages 12-14 were not significant predictors when other variables were in the model.

Conclusions

Having trouble sleeping was a strong predictor of subsequent suicidal thoughts and self-harm behaviors in adolescence. Sleep problems may be an early and important marker for suicidal behavior in adolescence. Parents and primary care physicians are encouraged to be vigilant and screen for sleep problems in young adolescents. Future research should determine if early intervention with sleep disturbances reduces the risk for suicidality in adolescents.     

Prevalence and determinants of suicide ideation among Lebanese adolescents: Results of the GSHS Lebanon 2005

The current study examined prevalence and risk factors for suicide ideation in 5038 Lebanese adolescents using Global School Health Survey data. Around 16% of Lebanese adolescents thought of suicide. Multivariate logistic regression models showed that risk factors for suicide ideation included poor mental health (felt lonely, felt worried, felt sad or hopeless), substance use (got drunk, used drugs), victimization (was bullied, was sexually harassed), and lack of parental understanding. Recommendations for future research and interventions are discussed.     

Triggers for attempted suicide in Istanbul youth,with special reference to their socio-demographic background

Objective: Suicidal behavior of young people is a topic of utmost importance because suicide is irreversible, and should be prevented. Knowing about the psychosocial background and the triggering events could help in preventing suicidal behavior. We therefore aimed at identifying psychosocial factors that may trigger suicidal behavior in youth.

Methods: We analyzed retrospectively the standardized records of 2232 youths aged ≤25 years, who were treated after a suicide attempt at emergency units of public hospitals in Istanbul, Turkey during a period of 1 year. We describe this population according to sex and socio-economic conditions, like educational, occupational, relationship status and link them with their reported reasons for suicide attempts.

Results: The majority of patients were female (81.6%, N?=?1822 females, 18.4%, N?=?410 males). Independent of their educational and occupational background, patients indicated most frequently intra-familial problems (females 45.8%, males 30.5%), intrapersonal problems (females 19.9%, males 18.5%), and relationship problems (females 11.3%, males 23.9%) as triggering reasons.

Conclusions: Because intra-familial problems were the most frequently reported triggers of suicide attempts, preventive measures should focus on handling intra-familial conflicts. As sex differences were observed for the second-most common trigger-reasons, prevention should also focus on differentially handling intrapersonal and relationship conflicts better.     

Suicidal ideation and behavior in institutions of higher learning: A latent class analysis

Suicide is the second leading cause of death among undergraduate students, with an annual rate of 7.5 per 100,000. Suicidal behavior (SB) is complex and heterogeneous, which might be explained by there being multiple etiologies of SB. Data-driven identification of distinct at-risk subgroups among undergraduates would bolster this argument. We conducted a latent class analysis (LCA) on survey data from a large convenience sample of undergraduates to identify subgroups, and validated the resulting latent class model on a sample of graduate students. Data were collected through the Interactive Screening Program deployed by the American Foundation for Suicide Prevention. LCA identified 6 subgroups from the undergraduate sample (N = 5654). In the group with the most students reporting current suicidal thoughts (N = 623, 66% suicidal), 22.5% reported a prior suicide attempt, and 97.6% endorsed moderately severe or worse depressive symptoms. Notably, LCA identified a second at-risk group (N = 662, 27% suicidal), in which only 1.5% of respondents noted moderately severe or worse depressive symptoms. When graduate students (N = 1138) were classified using the model, a similar frequency distribution of groups was found. Finding multiple replicable groups at-risk for suicidal behavior, each with a distinct prevalence of risk factors, including a group of students who would not be classified as high risk with depression-based screening, is consistent with previous studies that identified multiple potential etiologies of SB.