OBJECTIVES: To determine if racial and ethnic subgroups of adolescents are at high risk for engagement in suicidal behaviors. METHODS: Using the nationally representative school-based Youth Risk Behavior Survey from the years 1991 to 2017, we conducted logistic regression analyses to examine trends by different racial and ethnic groups, with each suicide indicator serving as a dichotomous outcome. Participants included 198 540 high school students. RESULTS: Across all sex and race and ethnic groups, there were significant linear decreases in self-reported suicidal ideation and suicide plans from 1991 to 2017. Female adolescents (odds ratio [OR], 0.98; P CONCLUSIONS: The results suggest that, over time, black youth have experienced an increase in suicide attempts, which is troubling because attempts are the most prominent risk factor associated with suicide death. For black boys, a significant increase in injury by attempt occurred, which suggests that black boys may be engaging in increasingly lethal means when attempting suicide. Examining trends of suicidal thoughts and behaviors over time by sex and race and ethnicity allow us to determine where to focus prevention and intervention efforts. Future research should examine the underlying reasons for these changes observed in US high school students.

/pdf/trends-of-suicidal-behaviors-among-high-school-students-in-1hp6n0otnj.pdf

Trends of Suicidal Behaviors Among High School Students in the United States: 1991-2017.

Objective College entrance may be a strategically well-placed “point of capture” for detecting late adolescents with suicidal thoughts and behaviors (STB). However, a clear epidemiological picture of STB among incoming college students is lacking. We present the first cross-national data on prevalence as well as socio-demographic and college-related correlates for STB among first-year college students. Method Web-based self-report surveys were obtained from 13,984 first-year students (response rate 45.5%) across 19 colleges in 8 countries (Australia, Belgium, Germany, Mexico, Northern Ireland, South Africa, Spain, and the United States). Results Lifetime prevalence of suicidal ideation, plans, and attempts was 32.7%, 17.5%, and 4.3%, respectively. The 12-month prevalence was 17.2%, 8.8%, and 1.0%, respectively. About three-fourths of STB cases had onset before the age of 16 years (Q3 = 15.8), with persistence figures in the range of 41% to 53%. About one-half (53.4%) of lifetime ideators transitioned to a suicide plan; 22.1% of lifetime planners transitioned to an attempt. Attempts among lifetime ideators without plan were less frequent (3.1%). Significant correlates of lifetime STB were cross-nationally consistent and generally modest in effect size (median adjusted odds ratio [aOR] = 1.7). Nonheterosexual orientation (aOR range 3.3−7.9) and heterosexual orientation with some same-sex attraction (aOR range 1.9−2.3) were the strongest correlates of STB, and of transitioning from ideation to plans and/or attempts (aOR range 1.6−6.1). Conclusion The distribution of STB in first-year students is widespread, and relatively independent of socio-demographic risk profile. Multivariate risk algorithms based on a high number of risk factors are indicated to efficiently link high-risk status with effective preventive interventions.

/pdf/suicidal-thoughts-and-behaviors-among-first-year-college-52m4omb76s.pdf

Suicidal Thoughts and Behaviors Among First-Year College Students: Results From the WMH-ICS Project.

A lack of motivation and anhedonia represent frequent and pervasive symptoms in depression, although with poor specificity. Historically described as a response bias, reward-related impairments in depression may account for the important aspects of the cognitive impairments associated with diagnosis of major depressive disorder. Reward processing is a broad psychological construct that can be parsed into 3 distinct components known as "reinforcement learning" (learning), "reward responsiveness" (liking), and "motivation to obtain a reward" (wanting). Depressed patients respond hyposensitively to reward and maladaptively to punishment: this pattern is related to a dysfunction in the frontostriatal systems modulated by the monoamine systems; seems to be observed in medicated and unmedicated patients with depression and in healthy individuals with high levels of anhedonia; and could be observed in patients with a history of depression, even when in full remission. Considered to be cognitive impairments, reward-related-impairments may also constitute part of an underlying neurobiological vulnerability to major depressive disorder (MDD). For example, the reward-related impairment is state dependent and, more or less, correlated with symptom severity in some studies but has also been proposed as being trait like, with endophenotype characteristics, possibly contributing to the persistence of the disease or treatment resistance. The 3 core aspects of reward processing have specific neurobiological correlates that involve the ventral and dorsal striatum, lateral habenula, ventral tegmental area, orbitofrontal cortex, anterior cingulate cortex, and ventromedial and dorsolateral prefrontal cortex. These structures underline the important role of the dopaminergic mesolimbic pathway, but glutamate and serotonin could also have an important role, at least in some aspects of reward-related impairments.

/pdf/reward-systems-and-cognitions-in-major-depressive-disorder-qs89zuyf1p.pdf

Reward systems and cognitions in Major Depressive Disorder

Risky decision-making in suicide attempters, and the choice of a violent suicidal means: an updated meta-analysis.

The current study examined demographic, psychosocial, and substance use factors associated with distinct patterns of past 12-month suicide thoughts, plans, and attempts among adolescents drawn from a nationally representative sample of high schoolers. Data were from the 2015, 2017, and 2019 National Youth Risk Behavior Survey. Four mutually exclusive 12-month suicidal behavior patterns were identified: suicide thoughts only (pattern 1), suicide thoughts and plans without suicide attempt (pattern 2), suicide attempt with thoughts and/or plans (pattern 3), and suicide attempt without thoughts or plans (pattern 4). Multinomial logistic regression analyses were conducted to examine factors correlated with these distinct patterns. Psychosocial and substance use factors were modeled as independent predictors, controlling for demographic characteristics, as well as simultaneously to represent the potential for co-occurrence. The analytic sample included 7491 respondents. About 24% (n = 1734) of youth endorsed pattern 1, 38% (n = 2779) pattern 2, 35% (n = 2716) pattern 3, and 3% (n = 262) pattern 4. All psychosocial and substance use factors measured were individually associated with greater odds of suicide attempts with thoughts or plans (pattern 3) than patterns 1 or 2. Black and male youth were at greater odds of suicide attempts without thoughts or plans (pattern 4) than all other patterns. When modeled simultaneously, respondents who were bullied online, sad or hopeless, had a history of sexual violence, used cigarettes, and misused prescription opiates retained greater odds of suicide attempts with thoughts or plans (pattern 3) than patterns 1 or 2. Findings suggest screening for suicidal behaviors should include factors that differentiate between varying suicidal expressions and that may cue providers to intervene in the absence of suicide thoughts and plans.

Factors Associated with Distinct Patterns of Suicidal Thoughts, Suicide Plans, and Suicide Attempts Among US Adolescents

Neurocognitive vulnerability to youth suicidal behavior.

Decision-making deficits have been associated with attempted suicide in adolescents and adults. This study examined Iowa Gambling Task performance in 19 youths with suicidal ideation and 19 never-suicidal comparison subjects. Group differences in decision-making did not persist after controlling for current affective problems and psychotropic medication use. Future research should determine the contribution of decision-making in predicting the transition from suicidal thoughts to suicide attempts.

/pdf/decision-making-in-adolescents-with-suicidal-ideation-a-case-2aqai9yrgw.pdf

Decision-making in adolescents with suicidal ideation: A case-control study.

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Neurocognitive vulnerability to youth suicidal behavior.

Decision-making in adolescents with suicidal ideation: A case-control study.