The prevalence of comorbid substance misuse and its influence on suicidal ideation among in-patients with schizophrenia

OBJECTIVE: To estimate the prevalence, and identify the clinical correlates of comorbid substance misuse (abuse or dependence) among readmissions with schizophrenia, particularly to establish whether comorbid substance misuse is associated with higher rates of depressive symptoms and suicidal ideation. METHOD: Over 12 months, consecutive readmissions from a catchment area psychiatric service with DSM-IV schizophrenia/schizoaffective disorder were assessed using clinical assessments of symptomatology including depression, insight and compliance. Comorbid substance misuse was diagnosed using DSM-IV criteria. RESULTS: Of 102 readmissions 40% had lifetime, while 20% had current comorbid substance misuse and were predominately young males. Comorbid substance misuse had no statistically significant impact on positive, negative or depressive symptomatology. However, those currently misusing substances reported more suicidal ideation compared with past or non-substance misusers. CONCLUSION: Readmissions with comorbid substance misuse were more likely to report suicidal ideation, and may represent a group of individuals who are at higher risk of suicide.     

The association between attitudes toward suicide and suicidal ideation in adolescents

The aims of this study were to determine whether adolescent attitudes to suicide could be grouped into distinct factors, and then to examine the relationship between these factors and the psychosocial parameters known to be associated with suicide, and between attitudes towards suicide and suicidal ideation. A questionnaire designed to assess attitudes to suicide was distributed to a total of 525 Israeli adolescents. Statistical analysis indicated that the attitude items could be grouped into four distinct factors: the right of society to prevent suicide; suicide as a symptom of mental illness; the right of the individual to talk about suicide; and taking suicidal behaviour seriously. Each factor was differentially associated with the various psychosocial parameters examined. The association between the attitude factors and subjects' suicidal ideation was significant and at least as strong as that of the psychosocial parameters normally associated with adolescent suicide, namely gender and exposure to suicide. A generally approving attitude towards suicide was correlated with a high level of suicidal ideation.     

Electronic media use and suicidal ideation in Japanese adolescents

The present study found that a lifetime history of suicidal ideation may be significantly associated with a history of searching the Internet for information about suicide or self‐injury, experiences of anxiety or emotional pain related to the use of electronic media, and adolescents' distrust of the people around them. The impact of experiences using electronic media on suicidal ideation among Japanese adolescents is discussed.     

Living arrangements and suicidal ideation among the Korean older adults

Objectives: This study examines how living arrangements are associated with suicidal ideation for older adults in South Korea, which has the highest suicide rate among OECD countries, and a particularly high suicide rate for older persons.

Methods: Analyzing a sample of 5795 women and 3758 men aged 65 and older from a nationwide representative cross-sectional data-set, we examined how many older adults think about suicide over a one-year period, why they think about suicide, and whether living arrangements are associated with suicidal ideation.

Results: About 1 out of 12 respondents in our sample reported suicidal ideation. While women and men did not differ in the prevalence of suicidal ideation, women attributed their suicidal feelings to health problems, while men attributed theirs to economic difficulties. Logistic regression results indicated that living arrangements are associated with suicidal ideation for men but not women. Older men living with a spouse were less likely to have suicidal ideation than older men with other living arrangements (i.e., living alone, living with children without spouse, living with spouse, and others).

Conclusions: Our results highlight the importance of living arrangements to older men's suicidal ideation. We discuss gender differences in the implications of living arrangements to suicidal ideation within the context of Confucian culture.     

Adolescent suicidal ideation: a comparison of incarcerated and school-based samples

Background  The aim of this study was to investigate suicidal ideations and associated psychopathology in two groups of adolescents, a sample of detained youth and a general population sample. In both groups the comparisons of mental health characteristics between suicidal ideators and non-suicidal youth were conducted separately for girls and boys. Methods  The study sample consisted of 290 delinquent adolescents [228 boys and 62 girls] from three Flemish juvenile detention centers and 1,548 adolescents [811 boys and 737 girls] from an age-matched school-based sample. Both groups were administered the Social and Health Assessment [SAHA], a self-report survey investigating levels of psychopathology [internalizing and externalizing] and risk-taking behavior. Results  Suicidal ideations during the past year were reported by 21.5% of detained males, compared to 6.7% in the general population. In females, 58.1% of detained individuals reported suicidal thoughts during the past year, compared to 14.4% of the general population. In girls and boys from the general population, both internalizing and externalizing problems were higher in suicidal ideators than in non-suicidal youth, while in the detention group mainly internalizing problems were higher in suicidal ideators. When comparing detention suicidal ideators with those from the general population, male suicidal ideators scored higher on delinquency, while detained female suicidal ideators also scored higher on posttraumatic stress, but lower on prosocial beliefs. Limitations  Information used in this study was solely based on self-report measures only and limited to Flemish adolescents. Conclusion  Since suicidal ideation is a frequent problem in detained youth, adequate recognition and treatment seems clinically relevant. While both internalizing and externalizing psychopathology may be an indicator of suicidal ideation in the general population, internalizing problems may be the main clinical predictor in detained youth. E. Suk and J.G. van Mill contributed equally to this article.     

Prevalences of lifetime histories of self-cutting and suicidal ideation in Japanese adolescents: differences by age

We examined differences in the prevalence of a lifetime history of self-cutting and suicidal ideation by age among junior and senior high-school students. Histories of self-cutting and suicidal ideation were reported by 9.9% and 40.4% of the students. Among early teens, females were more likely to report suicidal ideation than males, and among late teens, females were more likely than males to report self-cutting.     

Panic and suicidal ideation in primary care.

The objective of this article is to examine the relationship between panic attacks, panic disorder, and suicidal ideation among primary care patients. A probability sample of 1,007 primary care attenders from a large urban university practice was assessed for current mental disorders and suicidal ideation (past 2 week prevalence) with the PRIME-MD Patient Health Questionnaire. Controlling for major depression, substance use disorders, and sociodemographic variables simultaneously, patients with either panic attacks or panic disorder had significantly increased risks of suicidal ideation. Suicidal ideation was highly associated with major depression and comorbid panic disorder (OR = 15.4) or panic attacks (OR = 7.9). There is need for detection and possible treatment of patients with panic attacks or disorder in primary care, especially among those with co-occurring major depression.     

Change of suicidal ideation induced by suicide attempt

Some studies have reported that a suicide attempt has a cathartic effect. We studied a change of suicidal ideation just before and after a suicide attempt to test whether a cathartic effect exists and, if a cathartic effect does exist, to identify factors that may affect it. Subjects consisted of 88 suicide attempters (29 males, 59 females, mean age=35.5 years) who attended the emergency medical center of Kobe City General Hospital, Kobe, Japan. Strength of suicidal ideation just before and after a suicide attempt was evaluated by 11 steps from 0 to 10, where 0 indicates no suicidal ideation and 10 indicates the strongest suicidal ideation. Subjects were also interviewed about any clinical backgrounds related to suicide attempts. Diagnoses were made by psychiatrists based on ICD-10. Scores of suicidal ideation decreased significantly after the suicide attempt in comparison with those just before the suicide attempt (P<0.0001). In suicide attempters of each generation under 60 years of age, there were significant decreases in scores of suicidal ideation after the suicide attempt, but not in those of over 60 years of age. Scores of suicidal ideation after the suicide attempt were significantly higher in the group of F4 classified by ICD-10 than that of F2. Our results indicate that the cathartic effect induced by suicide attempt is different among generations and psychiatric disorders.     

Peer violence,mental health and suicidal ideation in a sample of French adolescent

The aim of this study was to investigate the link between suicidal ideation, psychological morbidity and experiences with peer violence (victim or perpetrator) among adolescents. This study examined direct and indirect violence separately. A sample of 361 high school students from France completed a self-administered survey consisting of the Suicidal Ideation Questionnaire, the Rosenberg Self-Esteem Scale and the General Health Questionnaire. Indirect peer victimization experienced by girls and direct peer victimization experienced by boys were more strongly linked to suicidal thoughts. Indirect aggression was also related to suicidal ideation among boys only. Indirect victimization at school was linked to a drop in self-esteem, a factor strongly related to the level of suicidal ideation, particularly for boys. These findings show that adolescent peer violence must be given particular attention in educational institutions due to its links not only with suicidal ideation, but also more broadly with students’ psychological distress.     

Analgesia during self-cutting: clinical implications and the association with suicidal ideation

The present study examined the association of suicidal ideation in self-cutters with clinical features of self-cutting, using a sample of subjects from juvenile correctional institutions. Multivariate analysis revealed that male self-cutters and analgesia during self-cutting were significantly associated with a history of suicidal ideation. These results suggest that male analgesic self-cutters should be regarded as a high-risk subgroup for suicide.     

Panic and suicidal ideation and suicide attempts: results from the National Comorbidity Survey

Our objective was to determine the association between panic attacks (PAs) and panic disorder (PD), and suicidal ideation (SI) and suicide attempts (SAs) in a nationally representative sample of adults in the community. Data were drawn from the National Comorbidity Survey (n=5,877), a representative household sample of adults ages 15-54 in the United States. Multiple logistic regression analyses were used to examine the relationship between current and lifetime PA and PD and SI and SA, adjusting for differences in demographic characteristics, comorbid mental disorders (major depression, alcohol dependence, and substance dependence), childhood trauma (physical and sexual abuse), and number of lifetime mental disorders. Past-year and lifetime PA and PD were associated with increased SI (both past year and lifetime), and persisted after adjusting for comorbidity and early trauma. Associations between PA and SA were no longer statistically significant after adjusting for comorbidity. Past-year and lifetime PD were associated with lifetime SA, but these associations were no longer statistically significant after adjusting for comorbidity. Past-year and lifetime PD were associated with past-year SA, and this association persisted after adjusting for demographics, comorbidity, and number of lifetime mental disorders. These findings are consistent with previous results, and further help to clarify the relationships between panic and suicide behavior by identifying potential methodological reasons for inconsistencies in results from previous studies.     

Thought suppression and suicidal ideation: preliminary evidence in support of a robust association

Background: The suppression of unwanted thoughts appears to contribute to the development and maintenance of emotional disorders. This report tested the thought suppression paradigm in relation to suicidal ideation. Based on the ironic process theory, we hypothesized that the suppression of unwanted thoughts, especially suicidal thoughts, would associate with a higher frequency and a greater intensity of suicidal ideation. Methods: Study 1 examined cross‐sectional associations between self‐reported thought suppression and the frequency of suicidal ideation in a nonclinical sample of 166 undergraduate students. Study 2 extended cross‐sectional findings in an inpatient sample of 71 suicidal adolescents. Study 3 examined prospective associations between suicidal thought suppression and increases in self‐reported suicidal ideation over a 4‐week period in a separate nonclinical sample of 118 undergraduate students. Results: Findings across studies support a robust association between thought suppression and suicidal ideation, even controlling for general depressive symptoms. Participants in Studies 1 and 2 who endorsed greater tendencies toward suppression of thoughts, especially suicidal thoughts (Study 2), displayed higher concurrent levels of suicidal ideation. Participants in Study 3 who endorsed greater baseline tendencies toward suppression of suicidal thoughts displayed an increase in the severity of suicidal ideation over time. Conclusions: Suppression of suicidal thoughts may represent 1 mechanism contributing to the persistence of suicidal ideation. Clinicians may wish to explore patients' reactions to suicidal ideation and consider acceptance‐oriented strategies among patients who attempt to control unwanted suicidal thoughts. Depression and Anxiety, 2009. © 2008 Wiley‐Liss, Inc.     

Factors that influence suicidal ideation among elderly Korean immigrants: focus on diatheses and stressors

Objectives: The study examined major diatheses and stressors directly related to suicidal ideation among elderly Korean immigrants. The study also explored the significant interactions among these factors.Method: Data were collected from a cross-sectional survey of 220 elderly Korean immigrants (age ≥ 65) in Los Angeles County.Results: Using a robust hierarchical regression, the study found that neuroticism and hopelessness were significantly associated with suicidal ideation. In addition, two interaction terms – neuroticism by hopelessness and neuroticism by acculturation – were both significant predictor variables with strong explanatory power.Conclusion: The theoretical implications as well as the practical implications for developing and implementing late-life suicide prevention strategies are discussed.     

Panic disorder and suicidal ideation in primary care

The purpose of this study was to ascertain whether panic disorder (PD) and suicidal ideation are associated in an inner-city primary care clinic and whether this association remains significant after controlling for commonly co-occurring psychiatric disorders. We surveyed 2,043 patients attending a primary care clinic using the Primary Care Evaluation of Mental Disorders (PRIME-MD) Patient Health Questionnaire, a screening instrument that yields provisional diagnoses of selected psychiatric disorders. We estimated the prevalence of current suicidal ideation and of common psychiatric disorders including panic disorder and major depression. A provisional diagnosis of current PD was received by 127 patients (6.2%). After adjusting for potential confounders (age, gender, major depressive disorder [MDD], generalized anxiety disorder, and substance use disorders), patients with PD were about twice as likely to present with current suicidal ideation, as compared to those without PD (adjusted odds ratio [AOR] = 1.84; 95% confidence interval [CI]: 1.06-3.18; P = .03). After adjusting for PD and the above-mentioned potential confounders, patients with MDD had a sevenfold increase in the odds of suicidal ideation, as compared to those without MDD (AOR = 7.00; 95% CI: 4.42-11.08; P < .0001). Primary care patients with PD are at high risk for suicidal ideation, and patients with PD and co-occurring MDD are at especially high risk. PD patients in primary care thus should be assessed routinely for suicidal ideation and depression.     

Somatization as a predictor of suicidal ideation in dissociative disorders

Aim: This study was concerned with correlates of suicidal ideation among patients with chronic complex dissociative disorders. Method: Participants were 40 patients diagnosed as having either dissociative identity disorder or dissociative disorder not otherwise specified according to the DSM‐IV. The Dissociative Disorders Interview Schedule, the Dissociative Experiences Scale, the Somatoform Dissociation and the Childhood Trauma Questionnaires, the Spielberger Trait Anger Inventory, the Beck Suicidal Ideation Scale, and the Borderline Personality Disorder section of the Structured Clinical Interview for DSM‐IV Personality Disorders were administered to all patients. Results: Patients with suicidal ideas (n = 15) had concurrent somatization disorder more frequently than the remaining patients. Having significantly high scores on both trait and state dissociation measures, their dissociative disorder was more severe than that of the patients with no suicidal ideation. They had elevated scores for childhood emotional abuse, physical abuse and emotional neglect. Concurrent somatization disorder diagnosis was the only predictor of suicidal ideation when childhood trauma scores and borderline personality disorder diagnosis were controlled. Conclusions: Among dissociative patients, there is an association between somatization and suicidal ideation. A trauma‐related insecure attachment pattern is considered as a common basis of this symptom cluster.