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Wafy G, Ajayi L, Siddiqi S, Saravanamuttoo T, Shorr R, Solmi M, Colman I, Fiedorowicz JG. The Progression of Lethality Across Multiple Suicide Attempts: A Systematic Review. Arch Suicide Res 2024:1-22. [PMID: 39185957 DOI: 10.1080/13811118.2024.2394671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
OBJECTIVE Suicide is a major global public health concern. While some progress has been made in understanding risk factors for suicidal behavior, other relevant questions have received less attention. One such question relates to the longitudinal course of suicidal behavior amongst individuals with multiple suicide attempts. This systematic review investigated whether there is an increase in the lethality across multiple suicide attempts. METHOD This systematic review followed PRISMA 2020 reporting guidelines. A literature search was conducted in MEDLINE, Embase and PsycINFO electronic databases from inception to August 2023 to identify studies with key terms related to multiple suicide attempts and lethality. The review included longitudinal studies with data on multiple suicide attempts, and any rating of their lethality. Covidence was used to guide the screening and extraction process. A narrative synthesis approach was used to descriptively summarize included studies. RESULTS After identifying 828 unique abstracts for screening, 11 studies were included for narrative synthesis. Suicide attempt assessment methods and definitions were heterogenous, often indirectly inferring lethality based on suicide attempt method. Individuals with repeat attempts may be more likely to continue using the same method. CONCLUSIONS There was no evidence to support increasing lethality across repeat suicide attempts. However, this should be interpreted along with the fact that the evidence base is scarce, heterogenous, and methodologically limited.
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Kim S, Jang KI, Lee HS, Shim SH, Kim JS. Differentiation between suicide attempt and suicidal ideation in patients with major depressive disorder using cortical functional network. Prog Neuropsychopharmacol Biol Psychiatry 2024; 132:110965. [PMID: 38354896 DOI: 10.1016/j.pnpbp.2024.110965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/01/2024] [Accepted: 02/11/2024] [Indexed: 02/16/2024]
Abstract
Studies exploring the neurophysiology of suicide are scarce and the neuropathology of related disorders is poorly understood. This study investigated source-level cortical functional networks using resting-state electroencephalography (EEG) in drug-naïve depressed patients with suicide attempt (SA) and suicidal ideation (SI). EEG was recorded in 55 patients with SA and in 54 patients with SI. Particularly, all patients with SA were evaluated using EEG immediately after their SA (within 7 days). Graph-theory-based source-level weighted functional networks were assessed using strength, clustering coefficient (CC), and path length (PL) in seven frequency bands. Finally, we applied machine learning to differentiate between the two groups using source-level network features. At the global level, patients with SA showed lower strength and CC and higher PL in the high alpha band than those with SI. At the nodal level, compared with patients with SI, patients with SA showed lower high alpha band nodal CCs in most brain regions. The best classification performances for SA and SI showed an accuracy of 73.39%, a sensitivity of 76.36%, and a specificity of 70.37% based on high alpha band network features. Our findings suggest that abnormal high alpha band functional network may reflect the pathophysiological characteristics of suicide and serve as a clinical biomarker for suicide.
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Affiliation(s)
- Sungkean Kim
- Department of Human-Computer Interaction, Hanyang University, Ansan, Republic of Korea
| | - Kuk-In Jang
- Cognitive Science Research Group, Korea Brain Research Institute (KBRI), Daegu, Republic of Korea
| | - Ho Sung Lee
- Department of Pulmonology and Allergy, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Se-Hoon Shim
- Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea.
| | - Ji Sun Kim
- Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea.
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Wang Z, Tang Y, Wang G, Deng Y, Jiang Y, Sun W, Sun X, Ip P, Owens J, Zhao M, Xiao Y, Jiang F, Wang G. Insufficient Sleep is Associated With Increasing Trends in Adolescent Suicidal Behaviors. J Adolesc Health 2024; 74:1198-1207. [PMID: 38506779 PMCID: PMC11137680 DOI: 10.1016/j.jadohealth.2024.01.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 11/03/2023] [Accepted: 01/12/2024] [Indexed: 03/21/2024]
Abstract
PURPOSE Youth suicide has been increasing and became a public health concern worldwide. Identifying insufficient sleep as the potential risk factor is critical to reducing suicide risk and increasing trends. This study aimed to determine whether insufficient sleep is associated with increasing trends in suicidal behaviors and disparities by sex, age, and race/ethnicity among school adolescents. METHODS The present study used biennial data from the US nationally representative Youth Risk Behavior Survey from 2007 to 2019. Joinpoint regression models were used to estimate biennial percent changes (BPCs) and average BPCs (ABPCs) of suicidal behaviors by sleep duration. Logistic regression models were used to examine the association between insufficient sleep and suicidal behaviors. RESULTS Of 73,356 adolescent students included (mean [standard deviation] age, 16.11 [1.23] years), 50.03% were female. Suicidal ideation and suicide plan among insufficient sleep group increased from 2007 to 2019 (BPC = 2.88% [95% confidence interval {CI}: 1.65%, 4.13%]; BPC = 3.42% [95% CI: 2.09%, 4.77%]), but were nonsignificant among sufficient sleep group. Trends in suicidal ideation (ABPC = 3.03% [95% CI: 1.35%, 4.73%]) and suicide plan (ABPC = 4.03% [95% CI: 2.47%, 5.62%]) among female adolescents with insufficient sleep increased, but nonsignificant among male adolescents with insufficient sleep. Suicidal ideation (ABPC = 1.73% [95% CI: 0.51%, 2.97%]) and suicide plan (ABPC = 2.31% [95% CI: 0.70%, 3.95%]) increased among younger adolescents only with insufficient sleep, whereas suicide trends by sleep duration were similar among older adolescents. Suicide plan among insufficient sleep group increased across the four racial groups, with BPC highest for the White (BPC = 3.48% [95% CI: 1.31%, 5.69%]), and lowest for the Hispanic/Latino (BPC = 1.18% [95% CI: 0.15%, 2.23%]), but were nonsignificant among sufficient sleep group except for the White (BPC = 2.83% [95% CI: 0.62%, 5.09%]). DISCUSSION Insufficient sleep was disproportionately associated with increasing trends in suicidal behaviors among female, younger, and non-White adolescent students. Ensuring sufficient sleep can potentially reduce suicide among school adolescents.
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Affiliation(s)
- Zijing Wang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yijia Tang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guangshuai Wang
- Faculty Artificial Intelligence in Education, National Engineering Research Center of Educational Big Data, Central China Normal University, Wuhan, Hubei, China
| | - Yujiao Deng
- Department of Neurology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanrui Jiang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wanqi Sun
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoning Sun
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Institute of Psychology and Behavioral Science, Antai College of Economics and Management, Shanghai Jiao Tong University, Shanghai, China
| | - Patrick Ip
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Hong Kong, China
| | - Judith Owens
- Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Min Zhao
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Psychotic Disorders, Shanghai, China; CAS Center for Excellence in Brain Science and Intelligence Technology (CEBSIT), Chinese Academy of Sciences, Shanghai, China
| | - Yunyu Xiao
- Department of Population Health Sciences, Weill Cornell Medicine|NewYork-Presbyterian, New York, New York.
| | - Fan Jiang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China.
| | - Guanghai Wang
- Department of Developmental and Behavioral Pediatrics, Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China.
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Wiglesworth A, Klimes-Dougan B, Prinstein MJ. Preliminary Reporting Patterns of Suicide Ideation and Attempt Among Native American Adolescents in Two Samples. JOURNAL OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY : THE OFFICIAL JOURNAL FOR THE SOCIETY OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY, AMERICAN PSYCHOLOGICAL ASSOCIATION, DIVISION 53 2023:1-15. [PMID: 37318235 PMCID: PMC10721721 DOI: 10.1080/15374416.2023.2222408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE Native American adolescents are disproportionately burdened by suicidality. Here, we examine patterns of reporting of suicide ideation and suicide attempt among Native American youth compared to those from other ethnoracial backgrounds, as this data is important for grounding commonly subscribed to frameworks of suicide risk (e.g., ideation-to-action). METHOD Data are from the Youth Risk Behavior Surveillance Survey (N = 54,243; grades 9-12; 51.0% female) and Minnesota Student Survey (N = 335,151; grades 8, 9, 11; 50.7% female). Comparing Native American youth to peers from other ethnoracial backgrounds, we examined two suicide reporting patterns: 1) odds of reporting suicide attempt among those who reported ideation and 2) odds of reporting suicide ideation among those who reported an attempt. RESULTS Across both samples, when reporting suicide ideation, youth from other ethnoracial backgrounds were 20-55% less likely than Native American youth to also report attempt. While few consistent differences were observed between Native American youth and those from other racial minority backgrounds in patterns of co-reporting suicide ideation and attempt across samples, White youth were between 37% and 63% less likely than Native American youth to report a suicide attempt without also reporting ideation. CONCLUSIONS The increased odds of engaging in a suicide attempt with or without reporting ideation question the generalizability of widely held frameworks of suicide risk to Native American youth and have important implications for suicide risk monitoring. Future research is needed to illuminate how these behaviors unfold over time and the potential mechanisms of risk for engaging in suicide attempts in this disproportionately burdened group.Abbreviations: YRBSS: Youth Risk Behavior Surveillance Survey; MSS: Minnesota Student Survey.
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Capron DW, Bauer BW, Bryan CJ. When people die by suicide: Introducing unacceptable loss thresholds as a potential missing link between suicide readiness states and actively suicidal clinical states. Suicide Life Threat Behav 2022; 52:280-288. [PMID: 34854497 DOI: 10.1111/sltb.12820] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/27/2021] [Accepted: 09/13/2021] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Contemporary models of suicide have largely overlooked why a person at high risk for suicide attempts suicide at a specific time. We propose the construct of unacceptable loss thresholds (i.e., a person's tolerance limit for a negative life event, which if violated results in an increase in suicide risk), which addresses many paradoxes in the literature related to suicide triggers. The aim of this paper is to provide preliminary proof of concept and to stimulate replication and further empirical study. METHODS We recruited an online community sample of individuals with a suicide attempt history (n = 144). These individuals answered questions about the time leading up to their most recent suicide attempt. RESULTS The majority (70.8% yes; 18.1% cannot remember; 11.1% no) reported creating a threshold of unacceptable loss, and that relatively small events were enough to trigger feelings that life was not worth living (63.9% yes; 30.6% maybe; 5.6% no). Further, the majority (57.6% yes; 21.5% yes, but only if asked; 20.8% - no) reported they would be willing to tell their therapist/doctor about their thresholds of unacceptable loss. CONCLUSION The construct of unacceptable loss deserves further empirical inquiry. Individuals contemplating suicide set them and if the loss occurs, it may trigger suicidal action in suicide ready individuals. Thresholds could provide risk assessment and safety planning data currently being overlooked.
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Affiliation(s)
- Daniel W Capron
- Department of Psychology, University of Southern Mississippi, Hattiesburg, Mississippi, USA
| | - Brian W Bauer
- Department of Psychology, University of Southern Mississippi, Hattiesburg, Mississippi, USA
| | - Craig J Bryan
- Department of Psychiatry & Behavioral Health, The Ohio State University, Columbus, Ohio, USA
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Chiu MYL, Ghoh C, Wong C, Wong KL. Dying in a foreign land: A study of completed suicides among foreign workers in Singapore. Transcult Psychiatry 2022; 59:63-77. [PMID: 34287079 PMCID: PMC8859692 DOI: 10.1177/13634615211023672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Suicide is a public health issue that impacts a nation's resident and non-resident populations alike. Singapore has one of the largest non-resident (work permit holder) populations in the world, yet very little attention has been given to examining suicide in this population. The current study examined the case materials of all 303 non-resident completed suicides in Singapore in the period January 2011 to December 2014. Their basic profiles were compared with that of the 1,507 resident cases in the same period. A sample of 30 death notes written by non-residents were randomly selected and thematically analyzed to supplement the descriptive findings and discussion. Results showed that suicides were highest among males, those aged 21-35 years old, and South Asians. Most non-resident suicide cases did not have known physical or mental health issues, prior suicide attempts, or suicide notes. Suicide decedents from South Asia and Europe most frequently used hanging, while jumping was most common among decedents from other regions. Relationship and health problems emerged as the top two suspected triggers for suicide based on our analysis of the suicide notes. The unique situation of working abroad may increase non-residents' vulnerability in general, while adverse life events such as relationship and health issues may be too overwhelming to bear, especially when support services are not readily available and accessible. The results have implications for suicide prevention among this neglected group of people who choose to work in foreign lands.
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Sun L, Li K, Zhang Y, Zhang L. Differentiating the associations between sleep quality and suicide behaviors: A population-based study in China. J Affect Disord 2022; 297:553-558. [PMID: 34728292 DOI: 10.1016/j.jad.2021.10.126] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/16/2021] [Accepted: 10/20/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although the association between sleep problems and suicidal behaviors were found in many studies, their associations are not built until now. One of the reasons may be the identified differences among different suicide behaviors, which also implied that sleep quality may play different roles on these suicidal behaviors. However, absent study explores the possible distinguishing associations between sleep quality and different suicidal behaviors. METHODS This is a population-based study conducted in Hebei province, China. Totally, 21,376 valid questionnaires were analyzed in this study. Pittsburgh Sleep Quality Index (PSQI) was used to evaluate sleep quality. Suicidal behaviors, living alone, and social-demographic variables were assessed for all the participants. RESULTS The prevalence of suicidal ideation, plan, and attempt were 1.4%, 0.3%, and 0.2%, respectively. The PSQI scores were separately associated with suicidal ideation (OR=1.25, p<0.001), plan (OR=1.19, p<0.001), and attempt (OR=1.18, p<0.001). The similar results were also supported when we compared conditional suicidal behaviors with general population without any suicidal behaviors. However, when we compared suicide attempters with suicidal ideators (with or without suicide plan), the associations between PSQI scores and suicide attempt were not supported (OR=1.93, P>0.05 or OR=1.02, p>0.05). LIMITATIONS The cross-sectional design made us cannot get any causal relationships. The self-reported sleep quality may also produce some influence on the results. CONCLUSION The results imply us that improving sleep quality may be not effective to control further suicidal behaviors, when people have considered or planned to suicide. The findings also can be translated into the clinical and preventive practice for suicide control.
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Affiliation(s)
- Long Sun
- Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, China.; National Health Commission of China Key Lab for Health Economics and Policy Research (Shandong University), China
| | - Keqing Li
- Hebei Provincial Sixth People's Hospital, Hebei, China
| | - Yunshu Zhang
- Hebei Provincial Sixth People's Hospital, Hebei, China..
| | - Lili Zhang
- Hebei Provincial Sixth People's Hospital, Hebei, China
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Li N, Zhang J, Wang H, Yang F. Comparing Suicide Attempters With and Without Mental Disorders: A Study of Young Adults in Rural China. Community Ment Health J 2020; 56:1372-1379. [PMID: 32060673 DOI: 10.1007/s10597-020-00576-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 02/08/2020] [Indexed: 10/25/2022]
Abstract
Over 90% of suicides in the West could be diagnosed with mental disorders, while only 50-70% of Chinese suicides had mental disorders. Using data from a case-control study on suicide attempt, we aimed to compare characteristics and risk factors between suicide attempters with and without mental disorders. Demographic and social psychological characteristics were compared between attempters with and without mental disorders. 19.1% of the suicide attempters were diagnosed with mental disorders. Suicide attempters with mental disorders endured more strain than those without. Strain was an independent risk factor for suicide attempt among people without mental disorders. Psychological strain might be an important reason for both mental disorders and following suicide attempt. More efforts on suicide prevention should be spent on people without mental disorders. The impact of social psychological factors, such as religion, negative life events, and psychological strains should be considered.
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Affiliation(s)
- Ning Li
- Institute of Population Research, Peking University, Beijing, China
| | - Jie Zhang
- School of Sociology and Psychology, Central University of Finance and Economics, Beijing, China. .,Department of Sociology, State University of New York College at Buffalo, 1300 Elmwood Avenue, Buffalo, NY, 14222, USA.
| | - Huiying Wang
- Mental Health Center of Xiangya Hospital, Central South University, Changsha, China
| | - Fangru Yang
- Mental Health Center of Xiangya Hospital, Central South University, Changsha, China
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Yıldız M. Stressful life events and adolescent suicidality: An investigation of the mediating mechanisms. J Adolesc 2020; 82:32-40. [DOI: 10.1016/j.adolescence.2020.05.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 05/19/2020] [Accepted: 05/30/2020] [Indexed: 01/04/2023]
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Negative life events as triggers on suicide attempt in rural China: a case-crossover study. Psychiatry Res 2019; 276:100-106. [PMID: 31035109 DOI: 10.1016/j.psychres.2019.04.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/03/2019] [Accepted: 04/03/2019] [Indexed: 11/24/2022]
Abstract
This study aims to investigate the potential triggering of negative life events (NLEs) on suicide attempt in rural China. A case-crossover design was used to study 1200 suicide attempters aged 15-70 years. NLEs were assessed by a modification of Paykel's Interview for Recent Life Events. NLEs had significant triggering effects on the day of and month of suicide attempt. Marriage/love, family/home, and friend/relationship were the types of NLEs found to trigger suicide attempt when occurring on the day and month of suicide attempt. Specifically, increased risk of suicide attempt was associated with quarreling with a partner or family member on the day and month of suicide attempt. Being disappointed in a love affair, fighting with a partner, family poverty and loss of face during the month of attempts were linked to increase odds of suicide attempt. Further, when month of suicide attempt was assigned as the case period, the impact of NLEs on suicide attempt was greater among those who were younger and without mental disorders. These findings provide knowledge of the triggering of NLEs on suicide attempt, especially among the young and those without mental disorders. Further, family conflicts should be a greater focus of attention in suicide prevention.
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Lin JY, Huang Y, Su YA, Yu X, Lyu XZ, Liu Q, Si TM. Association between Perceived Stressfulness of Stressful Life Events and the Suicidal Risk in Chinese Patients with Major Depressive Disorder. Chin Med J (Engl) 2018; 131:912-919. [PMID: 29664050 PMCID: PMC5912056 DOI: 10.4103/0366-6999.229898] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background Patients with major depressive disorder (MDD) usually have high risk of suicidality. Few studies have investigated the effects of stressful life events (SLEs) on the risk of suicide in Chinese patients who have developed MDD. This study aimed to investigate the impact of SLEs on suicidal risk in Chinese patients with MDD. Methods In total, 1029 patients with MDD were included from nine psychiatric hospitals to evaluate the impact of SLEs on suicidal risk. Patients fulfilling the Mini-International Neuropsychiatric Interview (MINI) criteria for MDD were included in the study. Patients were excluded if they had lifetime or current diagnoses of psychotic disorder, bipolar disorder, and alcohol or substance dependence. Depressive symptoms were assessed by the 17-item Hamilton Depression Scale (HAMD-17). The suicidal risk of MDD patients was determined by the suicide risk module of MINI. SLEs were assessed by the Life Events Scale. Results No gender difference was found for suicidal risk in MDD patients. Patients with suicidal risk had younger ages, lower education levels, more drinking behavior, and lower marriage rate, and fewer people had child and more severe depressive symptoms than nonsuicidal risk group. High-level perceived stressfulness (HPS) and number of SLEs that patients were exposed to were significantly greater in patients with suicidal risk than patients without. In multivariate logistic analysis, HPS of SLEs (odds ratio [OR] = 1.54, 95% confidence interval [CI]: 1.16-2.05, P = 0.003) and depressive symptoms (OR = 1.08, 95% CI: 1.05-1.11, P < 0.001) were associated with suicidal risk even after adjustment of gender, age, marriage, drinking behavior, and childless. Conclusions HPS of SLEs is associated with suicide risk in Chinese patients with MDD. Further suicide prevention programs targeting this risk factor are needed. Trial Registration ClinicalTrials.gov: NCT02023567; https://clinicaltrials.gov/ct2/show/NCT02023567?term=NCT02023567&rank=1.
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Affiliation(s)
- Jing-Yu Lin
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
| | - Yu Huang
- National Engineering Research Center for Software Engineering, Peking University, Beijing 100871, China
| | - Yun-Ai Su
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
| | - Xin Yu
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
| | - Xiao-Zhen Lyu
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
| | - Qi Liu
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
| | - Tian-Mei Si
- Clinical Psychopharmacology Division, Peking University Sixth Hospital, National Clinical Research Center for Mental Disorders and Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing 100191, China
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Kim H, Kim B, Kim SH, Park CHK, Kim EY, Ahn YM. Classification of attempted suicide by cluster analysis: A study of 888 suicide attempters presenting to the emergency department. J Affect Disord 2018; 235:184-190. [PMID: 29656265 DOI: 10.1016/j.jad.2018.04.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 02/18/2018] [Accepted: 04/02/2018] [Indexed: 10/17/2022]
Abstract
BACKGROUND It is essential to understand the latent structure of the population of suicide attempters for effective suicide prevention. The aim of this study was to identify subgroups among Korean suicide attempters in terms of the details of the suicide attempt. METHODS A total of 888 people who attempted suicide and were subsequently treated in the emergency rooms of 17 medical centers between May and November of 2013 were included in the analysis. The variables assessed included demographic characteristics, clinical information, and details of the suicide attempt assessed by the Suicide Intent Scale (SIS) and Columbia-Suicide Severity Rating Scale (C-SSRS). Cluster analysis was performed using the Ward method. RESULTS Of the participants, 85.4% (n = 758) fell into a cluster characterized by less planning, low lethality methods, and ambivalence towards death ("impulsive"). The other cluster (n = 130) involved a more severe and well-planned attempt, used highly lethal methods, and took more precautions to avoid being interrupted ("planned"). The first cluster was dominated by women, while the second cluster was associated more with men, older age, and physical illness. LIMITATIONS We only included participants who visited the emergency department after their suicide attempt and had no missing values for SIS or C-SSRS. CONCLUSIONS Cluster analysis extracted two distinct subgroups of Korean suicide attempters showing different patterns of suicidal behaviors. Understanding that a significant portion of suicide attempts occur impulsively calls for new prevention strategies tailored to differing subgroup profiles.
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Affiliation(s)
- Hyeyoung Kim
- Department of Psychiatry, Inha University Hospital, Incheon, Republic of Korea; Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Bora Kim
- Department of Psychiatry, University of California, San Francisco, United States
| | - Se Hyun Kim
- Department of Neuropsychiatry, Dongkuk University Ilsan Hospital, Goyang, Republic of Korea
| | - C Hyung Keun Park
- Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Eun Young Kim
- Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea; Mental Health Center, Seoul National University Health Care Center, Seoul, Republic of Korea
| | - Yong Min Ahn
- Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea.
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Givon L, Levi A, Bloch B, Fruchter E. Immediate and brief intervention after suicide attempts on patients without major psychiatric morbidity-A pilot study in northern Israel. Eur Psychiatry 2018; 51:20-24. [PMID: 29510297 DOI: 10.1016/j.eurpsy.2018.01.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/05/2018] [Accepted: 01/08/2018] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Suicide Prevention is an ongoing task for mental health services. This article describes a pilot program for suicide prevention that took place in two districts in Israel from 2009 to 2012. The program targeted specific population, patients in high-risk for suicide, without major mental illness or previous association with the mental health system. In that group many suicide attempts were due to stressful life events. METHODS Patients who performed a suicide attempt or were considered high-risk for suicide were referred to the project. The first contact took place up to 24 h after the referral and included a phone call with suggestion for further intervention. If he was willing, the patient was invited to a serious of 8-12 meetings with a therapist that focused on "crisis intervention" techniques. RESULTS 212 subjects were referred to the project. Three quarters of the referrals were females. Most of them were of Jewish nationality, however, the percentage of Druze in the program's population was higher than their percentage of general population. Only 137 continued participation after the initial phone call, people of Jewish nationality were more willing to continue the intervention. During the intervention there was a decline in suicide rates in the participating districts. CONCLUSIONS The pilot program exhibits promising preliminary results, it is interesting to examine the difference in participation between different ethnic groups. Since the sample size is small, there is a need to continue the program on a larger scale.
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Affiliation(s)
- Limor Givon
- Rambam Health Center, Technion, Haifa, Israel.
| | - Avi Levi
- Rambam Health Center, Technion, Haifa, Israel
| | - Boaz Bloch
- Emek Medical Center, Technion, Afula, Israel
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Liu Y, Zhang J, Sun L, Zhao S. The age-specific characteristics of medically serious suicide attempters aged 15-45 years in rural China. Psychiatry Res 2018; 261:178-185. [PMID: 29309957 DOI: 10.1016/j.psychres.2017.12.067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 12/21/2017] [Accepted: 12/30/2017] [Indexed: 11/29/2022]
Abstract
This aim of this study was to identify unique characteristics of serious suicide attempters across different age groups. Face to face interviews were conducted with medically serious suicide attempters in rural hospitals in two provinces in China (n = 791). The sample included three age groups: 15-24, 25-34, and 35-45. While there were some consistent patterns that emerged across the age groups, there were also some significant age-related patterns that emerged. Serious suicide attempters aged 15-24 were more likely to be well educated, never married, hold Party membership, and impulsive, and to be least likely to perceive social support and be in a peasant occupation. This category also had the highest proportion of males, although still predominantly female. Those aged 24-25 were more likely to have a family history of suicide, somewhat educated, and moderately likely to be married. Those aged 35-45 were more likely to have limited education, to be ever married, to have mental disorders, to store pesticides in their home, and the least likely to be impulsive. These results highlight age-specific intervention strategies in addressing suicide.
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Affiliation(s)
- Yanzheng Liu
- School of Public Health Center for Suicide Prevention Research, Shandong University, Jinan, Shandong Province, China
| | - Jie Zhang
- School of Public Health Center for Suicide Prevention Research, Shandong University, Jinan, Shandong Province, China; Department of Sociology, State University of New York College at Buffalo, 1300 Elmwood Avenue, Buffalo, NY 14222, USA.
| | - Long Sun
- School of Public Health Center for Suicide Prevention Research, Shandong University, Jinan, Shandong Province, China
| | - Sibo Zhao
- School of Sociology and Psychology, Central University of Finance and Economics, Beijing, China
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Kim SY, Shin DW, Oh KS, Kim EJ, Park YR, Shin YC, Lim SW. Gender Differences of Occupational Stress Associated with Suicidal Ideation among South Korean Employees: The Kangbuk Samsung Health Study. Psychiatry Investig 2018; 15:156-163. [PMID: 29475218 PMCID: PMC5900399 DOI: 10.30773/pi.2017.05.31.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 04/09/2017] [Accepted: 05/31/2017] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE In this study, the relationship between occupational stress and suicidal ideation was investigated, focusing on gender differences among Korean employees. METHODS Cross-sectional data for 53,969 workers were collected at Kangbuk Samsung Hospital health screening centers. Risk of suicidal ideation was assessed using a self-reported questionnaire examining suicidal ideation during the past year. Occupational stress was measured using 24 items of the Korean Occupational Stress Scale-Short Form (KOSS-SF). Logistic regression analysis was employed to estimate the odds ratios and 95% confidence intervals of the relationships between suicidal ideation and components of occupational stress. RESULTS In multivariable-adjusted models, all job stress contributed to increased risk of suicidal ideation in males. Most subscales, except insufficient job control and organizational system, were risk factors of suicidal ideation in females. Further adjustments for depression markedly attenuated this relationship. However, the effects of insufficient job control and lack of reward on suicidal ideation remained significant in males, and interpersonal conflict remained significant in females. CONCLUSION The results suggest that occupational stress plays a significant role in increasing risk of suicidal ideation through elevation of depressive symptoms. Gender differences in components of occupational stress associated with suicidal ideation were also observed.
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Affiliation(s)
- Sun-Young Kim
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Dong-Won Shin
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kang-Seob Oh
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Eun-Jin Kim
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Workplace Mental Health Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Yang-Ri Park
- Workplace Mental Health Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Young-Chul Shin
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Workplace Mental Health Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Se-Won Lim
- Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Workplace Mental Health Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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16
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Santos MSPD, Silva TDPSD, Pires CMDC, Ramos PGX, Sougey EB. Identificação de aspectos associados à tentativa de suicídio por envenenamento. JORNAL BRASILEIRO DE PSIQUIATRIA 2017. [DOI: 10.1590/0047-2085000000171] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
RESUMO Objetivo Identificar as condições psiquiátricas e aspectos sociobiodemográficos associados à tentativa de suicídio. Métodos A amostra foi constituída por 240 pacientes de ambos os sexos, com idade entre 18 a 68 anos, dos quais 120 pacientes compuseram o grupo controle e 120 o grupo experimental. Os instrumentos utilizados foram um questionário sociobiodemográfico e o Mini International Neuropsychiatric Interview (MINI). Resultados Observou-se maior presença de estressores no grupo experimental, sendo os principais a vivência de uma separação afetiva e a existência de conflitos familiares, e a condição psiquiátrica mais frequente na população estudada foi o transtorno de ansiedade generalizada e a mais associada ao comportamento suicida foi a depressão maior. Conclusões Os resultados acrescentam a importância de investigar a presença do transtorno de ansiedade generalizada como mais um fator de vulnerabilidade ao suicídio.
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Gender differences among medically serious suicide attempters aged 15-54 years in rural China. Psychiatry Res 2017; 252:57-62. [PMID: 28249203 PMCID: PMC5438887 DOI: 10.1016/j.psychres.2017.02.042] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 01/26/2017] [Accepted: 02/19/2017] [Indexed: 11/23/2022]
Abstract
China is one of few countries which reported higher female suicide rates in the worldwide. However, little is known about the gender differences among Chinese rural suicide attempters. This study aims to analyze the gender differences among medically serious suicide attempters aged 15-54 years in rural China. Subjects were 791 medically serious suicide attempters and 791 controls aged 15-54 years in rural China. Socio-demographic, psychological and some critical variables were assessed in the interview. The results showed that all of the factors (education years, family suicide history, negative life events, social support, impulsivity and mental disorder) associated with male suicide attempters also could be found for females. Physical disease, mental disorder and pesticide ingestion played more roles on male suicide attempters. Ever married, peasant, religious belief, and less social support played more roles on female suicide attempters. Compared with male suicide attempters, female ones are mainly influenced by social factors. A gender-specific approach should be emphasized in suicide prevention.
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18
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Millner AJ, Lee MD, Nock MK. Describing and Measuring the Pathway to Suicide Attempts: A Preliminary Study. Suicide Life Threat Behav 2017; 47:353-369. [PMID: 27477787 DOI: 10.1111/sltb.12284] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 05/09/2016] [Indexed: 11/30/2022]
Abstract
To die by suicide, one must think about suicide, make a plan, and then carry it out. Prior research has examined the presence and predictors of these outcomes; however, virtually no studies have characterized how these steps unfold along the pathway to suicide. A novel instrument was administered to 30 recent suicide attempters. Results revealed that although the median onset for suicidal ideation occurs 1 to 5 years prior to attempting, the median for 6 of the 10 steps measured was within 6 hours of attempting. Overall, 86.5% of proximal planning steps took place within 1 week of attempting and 66.6% occurred within 12 hours.
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Affiliation(s)
| | - Michael D Lee
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
| | - Matthew K Nock
- Department of Psychology, Harvard University, Cambridge, MA, USA
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19
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Osman A, Gutierrez PM, Muehlenkamp JJ, Dix-Richardson F, Barrios FX, Kopper BA. Suicide Resilience Inventory–25: Development and Preliminary Psychometric Properties. Psychol Rep 2016; 94:1349-60. [PMID: 15362416 DOI: 10.2466/pr0.94.3c.1349-1360] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This manuscript describes the development of the Suicide Resilience Inventory–25, used to assess factors that help defend against suicidal thoughts and behaviors. We used multiple sources to generate and evaluate initial items (Study 1), then conducted an iterated principal-axis factor analysis with data from a combined sample of 540 adolescents and young adults. This identified three correlated factors, named Internal Protective, Emotional Stability, and External Protective. Estimated alpha for the total inventory and scales was high (.90 to .95). In Study 1, scores on the inventory significantly differentiated between the responses of adolescents and young adults. In Study 2, the inventory scores significantly differentiated between participants who reported (a) no prior suicide thoughts or attempts (145 men and 153 women), (b) brief suicidal thoughts (55 men and 110 women), and (c) prior suicide plans or attempts (22 men and 55 women). Results of the two studies suggest the inventory is useful for assessing the construct of suicide resilience in terms of these three operationally defined dimensions.
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Affiliation(s)
- Augustine Osman
- University of Northern Iowa, Department of Psychology, Cedar Falls, 50614-0505, USA.
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20
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Kazan D, Calear AL, Batterham PJ. The impact of intimate partner relationships on suicidal thoughts and behaviours: A systematic review. J Affect Disord 2016; 190:585-598. [PMID: 26583348 DOI: 10.1016/j.jad.2015.11.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 10/13/2015] [Accepted: 11/01/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND A systematic review was conducted to identify the impact of intimate partner relationships on suicidality. The aim of the review was to identify factors within intimate partner relationships that influence suicidal ideation, attempts and completion. METHOD Fifty-one articles were identified through Scopus, PubMed and PsycINFO databases. Due to the high heterogeneity of the included studies, a narrative data synthesis was conducted. RESULTS The research drew attention to specific contingents of the population, for example examining suicide risk in individuals under the age of 35 or lesbian, gay, bisexual and transgender (LGBT) individuals who are experiencing relationship discord, and in males who have recently separated. LIMITATIONS Interpretation of these findings is constrained by methodological limitations prevalent in much of the literature. Limitations of the existing literature and corresponding directions for future research are discussed. CONCLUSIONS Relationship separation and poor quality relationships are likely to be important risk factors for suicidal thoughts and behaviours and are frequent triggers for a suicide attempt. This review highlights intimate partner relationships as a significant component in a suicide risk assessment, regardless of the clinical setting. Consequently, clinicians should be aware that individuals reporting relationship problems are likely to be at increased risk of suicidal thoughts and behaviours.
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Affiliation(s)
- Dominique Kazan
- National Institute for Mental Health Research, The Australian National University, Canberra, Australia.
| | - Alison L Calear
- National Institute for Mental Health Research, The Australian National University, Canberra, Australia
| | - Philip J Batterham
- National Institute for Mental Health Research, The Australian National University, Canberra, Australia
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Kim J, Lee KS, Kim DJ, Hong SC, Choi KH, Oh Y, Wang SM, Lee HK, Kweon YS, Lee CT, Lee KU. Characteristic Risk Factors Associated with Planned versus Impulsive Suicide Attempters. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2015; 13:308-15. [PMID: 26598591 PMCID: PMC4662162 DOI: 10.9758/cpn.2015.13.3.308] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 09/30/2015] [Accepted: 10/04/2015] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The present study aimed to investigate predictors for planned suicide attempters. METHODS This study included 1,003 patients who attempted suicide and visited emergency department. They were divided into two groups, planned suicide attempters (SAs; n=133 [13.3%]) and impulsive SAs (n=870, [86.7%]), and the demographic variables, clinical characteristics, factors related to suicide, and psychiatric resources of the groups were compared. RESULTS Major depressive disorder and substance use disorders were more common among planned SAs than among impulsive SAs. Additionally, the planned SAs were older, more likely to be divorced, separated or widowed, and more likely to have comorbid medical illnesses, severe depression, higher suicidality, and self-blaming tendencies than the impulsive SAs. Financial problems and physical illnesses were more common in planned SAs but interpersonal conflicts were more frequent in impulsive SAs. Planned SAs had fewer previous suicide attempts but these were more serious suicide attempts. The presence of the hope to die, a written will, and suicidal ideation of a repetitive, intense, and continuous nature were predictive of planned SAs. CONCLUSION The present findings demonstrated that planned SAs had more severe psychopathology and medical illnesses than impulsive SAs. Therefore, screening for depression, substance use disorders, and suicidal plans among old and medically ill patients may be important for preventing suicide attempts.
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Affiliation(s)
- Jaeha Kim
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kang-Sook Lee
- Department of Preventive Medicine, Catholic Industrial Medical Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dai Jin Kim
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung-Chul Hong
- Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kyoung Ho Choi
- Department of Emergency Medicine, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Youngmin Oh
- Department of Emergency Medicine, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sheng-Min Wang
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hae-Kook Lee
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yong-Sil Kweon
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chung Tai Lee
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kyoung-Uk Lee
- Department of Psychiatry, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Abstract
Gay men are at higher risk of suicidality. This paper describes the causes of suicide attempts as perceived by the men themselves and analyzes their impact on severity and recidivism. Mental health surveys conducted among gay men in Geneva, Switzerland, from two probability-based time-space samples in 2007 and 2011, were merged to yield a combined sample N = 762. Suicide ideation, plans, and attempts were assessed, and respondents who had ever attempted suicide answered open questions about perceived causes which were coded and categorized for analysis within the framework of cultural epidemiology. In all, 16.7% of the respondents reported a suicide attempt in their lifetime (59.5% of them with multiple attempts). At their latest attempt, over two thirds asserted intent to die, and half required medical assistance. There was a wide variety of perceived causes, with most individuals reporting multiple causes and many of the most common causes cited at both the first and most recent subsequent attempts. Social/inter-personal problems constitute the most prominent category. Problems with love/relationship and accepting one's homosexuality figure consistently among the top three causes. Whereas the former tend to be associated with weaker intent to die, the latter are associated with the strongest intent to die and reported at multiple attempts. Problems with family are among the most common perceived causes at first attempt but not at the most recent subsequent attempt. Nevertheless, they tend to be related to the strongest intent to die and the greatest medical severity of all the perceived causes. Ten percent of men attempting suicide cited depression as a cause. Although it tended to be associated with weaker intent to die, depression was most likely to be reported at multiple attempts. Respondent-driven assessment yielded both common and idiosyncratic causes of suicide and their distinct effects. Some of these perceived causes are not prominent in the current literature, yet they have important implications for understanding risk and preventing suicide among gay men.
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24
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Abstract
Passive suicidal ideation is an important indicator of suicide risk because it is associated with significantly high levels of depression and suicidality, comparable to individuals experiencing active suicidal ideation. Passive suicidal ideation, or a passive desire to die, can be differentiated from active suicidal ideation (where individuals have a specific plan and intent to die). The present study examined passive suicidal ideation to determine how it relates to suicide risk and depression severity in 140 veterans from a psychiatric outpatient program at a local Veterans Affairs Medical Center. Participants were assessed for a depressive disorder using a structured clinical interview and completed self-report measures. Individuals with passive suicidal ideation scored similarly to active ideators and significantly higher than nonsuicidal ideators on measures of depression, suicidal behavior, and hopelessness. Asking about passive suicidal ideation in suicide risk assessment may allow clinicians to intervene earlier and decrease the likelihood of a suicide attempt.
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Affiliation(s)
- Christine N. May
- Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - James C. Overholser
- Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, USA
| | | | - Danielle Raymond
- Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, USA
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25
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Zhang J, Sun L, Conwell Y, Qin P, Jia CX, Xiao S, Tu XM. Suicides and medically serious attempters are of the same population in Chinese rural young adults. J Affect Disord 2015; 176:176-82. [PMID: 25723561 PMCID: PMC4359633 DOI: 10.1016/j.jad.2015.02.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 02/05/2015] [Indexed: 10/24/2022]
Abstract
BACKGROUND Suicide rates in China are among the highest in the world, although there has been a decreasing trend in the past few years. One practical approach to study the characteristics and risk factors of suicide is to interview the suicide attempters. It was to compare completed suicides with serious attempters that may shed lights on suicide prevention strategies. METHOD This is a combination of two case control studies for suicide completers and suicide attempters respectively. After a sample of suicides (n=392) and community living controls (n=416) were obtained and studied in rural China, we collected in the same rural areas data of suicide attempt and studied 507 medically serious attempters and 503 community counterparts. RESULTS Characteristics and previously observed risk factors were compared between the suicides and the attempters, and we found that the demographic characteristics and risk factors for the suicides were also for the medically serious attempters but at some lesser degrees for the attempters than for the suicides. It was especially true of suicide intent, deficient coping, negative life events, and impulsivity. While most of the demographic characteristics were not significantly different between the suicides and the attempters, most of the clinical variables could distinguish the two groups. CONCLUSIONS The suicide victims and the serious attempters could be of the same group of people who were at the edge of fatal self-injury, and the same clinical risk factors but of different degrees have divided them into the life and death groups.
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Affiliation(s)
- Jie Zhang
- Center for Suicide Prevention and Research at Shandong University, Jinan 250012, China; Department of Sociology, State University of New York College at Buffalo, 1300 Elmwood Avenue, Buffalo, NY 14222, USA.
| | - Long Sun
- Center for Suicide Prevention and Research at Shandong University, Jinan 250012, China
| | - Yeates Conwell
- Department of Psychiatry at the University of Rochester School of Medicine, Rochester, New York 14642, USA
| | - Ping Qin
- National Centre for Suicide Research and Prevention at University of Oslo, Sognsvannsveien 21, bygg 12, N-0372 Oslo, Norway
| | - Cun-Xian Jia
- Center for Suicide Prevention and Research at Shandong University, Jinan 250012, China
| | - Shuiyuan Xiao
- School of Public Health at Central South University, Changsha 410078, China
| | - Xin-Ming Tu
- Statistical Consulting Services at University of Rochester, Rochester, New York 14642, USA
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Kattimani S, Sarkar S, Rajkumar RP, Menon V. Stressful life events, hopelessness, and coping strategies among impulsive suicide attempters. J Neurosci Rural Pract 2015; 6:171-6. [PMID: 25883475 PMCID: PMC4387806 DOI: 10.4103/0976-3147.153222] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Suicides are among the most important causes of death in the economically productive population. Characteristics of impulsive and nonimpulsive suicide attempters may differ which would have a bearing on planning preventive measures. Aims: This study aimed to characterize the clinical and psychological profile of impulsive and nonimpulsive suicide attempters. Settings and Design: This retrospective comprehensive chart-based study was conducted at a tertiary care hospital in South India. Methods: The study utilized records of patients over a period of 3 years. An attempt was considered impulsive if the time between suicidal idea and the attempt was <30 min. Stressful life events were assessed using presumptive stressful life events scale; hopelessness was evaluated using Beck Hopelessness Scale (BHS) and coping was measured using Coping Strategies Inventory Short Form. Statistical Analysis Used: Impulsive and nonimpulsive suicide attempters were compared using appropriate inferential statistical tests. Results: Of 316 patients, 151 were classified as having an impulsive suicidal attempt (47.8% of the sample). The impulsive and nonimpulsive suicide attempters did not differ on demographic characteristics. Use of natural plant products was more common in impulsive attempters (27.2% vs. 12.7%), while physical methods like hanging was less common (0.7% vs. 7.3%). Those with an impulsive attempt were more likely to have a recent contact with a health professional (24.5% vs. 4.5%). Impulsive suicide attempters had higher scores on BHS (Mann–Whitney U = 7680.5, P < 0.001), and had recollected greater number of stressors. Conclusion: Impulsive suicide attempters differ from nonimpulsive suicide attempters in clinical features like methods of attempt, presence of hopelessness, and stressors.
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Affiliation(s)
| | | | | | - Vikas Menon
- Department of Psychiatry, JIPMER, Puducherry, India
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McFeeters D, Boyda D, O'Neill S. Patterns of stressful life events: distinguishing suicide ideators from suicide attempters. J Affect Disord 2015; 175:192-8. [PMID: 25638792 DOI: 10.1016/j.jad.2014.12.034] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 12/11/2014] [Accepted: 12/12/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND Suicidal ideation is an important indicator for subsequent suicidal behaviour, yet only a proportion of ideators transit from thought to action. This has led to interest surrounding the factors that distinguish ideators who attempt from non-attempters. The study aimed to identify distinct classes of life event categories amongst a sample of ideators and assess the ability of the classes to predict the risk of a suicide attempt. METHODS A subsample of ideators was extracted based on responses to the suicidality section of the Adult Psychiatric Morbidity Survey (N=7403). Fifteen stressful life events (SLEs) were grouped into six broad categories. RESULTS Using Latent Class Analysis (LCA), three distinct classes emerged; class 1 had a high probability of encountering interpersonal conflict, class 2 reported a low probability of experiencing any of the SLE categories with the exception of minor life stressors, whereas class 3 had a high probability of endorsing multiple SLE categories. The Odds Ratio for attempted suicide were highest among members of Class 3. LIMITATIONS The use of broad event categories as opposed to discrete life events may have led to an underestimation of the true exposure to SLEs. CONCLUSIONS The findings suggest the experience of multiple types of SLEs may predict the risk of transitioning towards suicidal behaviour for those individuals who have contemplated suicide. In application, this re-emphasises the need for a routine appraisal of risk amongst this vulnerable group and an assessment of the variety of events which may signal the individuals who may be at immediate risk.
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Affiliation(s)
- Danielle McFeeters
- School of Psychology and Psychology Research Institute, University of Ulster at Magee, BT48 5JL, Northern Ireland.
| | - David Boyda
- School of Psychology and Psychology Research Institute, University of Ulster at Magee, BT48 5JL, Northern Ireland
| | - Siobhan O'Neill
- School of Psychology and Psychology Research Institute, University of Ulster at Magee, BT48 5JL, Northern Ireland
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Guillén AI, Panadero S, Rivas E, Vázquez JJ. Suicide attempts and stressful life events among female victims of intimate partner violence living in poverty in Nicaragua. Scand J Psychol 2015; 56:349-56. [PMID: 25727343 DOI: 10.1111/sjop.12207] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 01/13/2015] [Indexed: 12/01/2022]
Abstract
This article describes a study of 136 female intimate partner violence victims living in poverty in Nicaragua. The paper aimed to analyze the relationship between experiencing stressful life events (SLE) and perceived social support with suicide attempts, and to evaluate the differences in the SLE experienced by female suicide attempters versus non-attempters. The results showed the existence of a high level of SLE among the interviewees, and that women who have attempted suicide have experienced substantially more of these events. Experiences of violence and less social support were especially related to suicide attempts among the interviewees.
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Zhang WC, Jia CX, Zhang JY, Wang LL, Liu XC. Negative life events and attempted suicide in rural China. PLoS One 2015; 10:e0116634. [PMID: 25611854 PMCID: PMC4303417 DOI: 10.1371/journal.pone.0116634] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 12/11/2014] [Indexed: 12/04/2022] Open
Abstract
Objective This study aimed to examine the association between negative life events (NLEs) and attempted suicide in rural China. Methods Six rural counties were selected from disease surveillance points in Shandong province, China. A total of 409 suicide attempters in rural areas between October 1, 2009, and March 31, 2011, and an equal number of matched controls were interviewed. We compared negative life events experienced within 1 month, 1–3 months, 3–6months, and 6–2 months prior to attempted suicide for cases and prior to interview for controls. We used multivariate logistic regression to examine the association between NLEs and attempted suicide. Results Suicide attempters experienced more NLEs within the last year prior to suicide attempt than controls prior to interview (83.1% vs. 33.5%). There was a significant dose-response relationship between NLEs experienced within the last year and increased risk of attempted suicide. Timing of NLEs analysis showed that NLEs experienced in the last month and 6–12 months prior to suicide attempt were significantly associated with elevated risk of attempted suicide, even after adjusting for mental disorders and demographic factors. Of NLEs, quarrelling with spouse, quarrelling with other family members, conflicting with friends or neighbors, family financial difficulty, and serious illness were independently related to attempted suicide. Conclusion NLEs are significantly associated with increased risk for attempted suicide in rural China. Stress management and intervention may be important to prevent suicidal behavior in rural China.
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Affiliation(s)
- Wen-Chao Zhang
- Department of Epidemiology and Health Statistics, Shandong University School of Public Health, Jinan, China
| | - Cun-Xian Jia
- Department of Epidemiology and Health Statistics, Shandong University School of Public Health, Jinan, China
- Shandong University Center for Suicide Prevention Research, Jinan, China
- * E-mail:
| | - Ji-Yu Zhang
- Shandong Center for Disease Prevention and Control, Jinan, China
| | - Lin-Lin Wang
- Ji’nan Shizhongqu Center for Disease Prevention and Control, Jinan, China
| | - Xian-Chen Liu
- Department of Epidemiology and Health Statistics, Shandong University School of Public Health, Jinan, China
- University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
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Rimkeviciene J, O'Gorman J, De Leo D. Impulsive suicide attempts: a systematic literature review of definitions, characteristics and risk factors. J Affect Disord 2015; 171:93-104. [PMID: 25299440 DOI: 10.1016/j.jad.2014.08.044] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 08/26/2014] [Accepted: 08/26/2014] [Indexed: 11/26/2022]
Abstract
BACKGROUND Extensive research on impulsive suicide attempts, but lack of agreement on the use of this term indicates the need for a systematic literature review of the area. The aim of this review was to examine definitions and likely correlates of impulsive attempts. METHODS A search of Medline, Psychinfo, Scopus, Proquest and Web of Knowledge databases was conducted. Additional articles were identified using the cross-referencing function of Google Scholar. RESULTS 179 relevant papers were identified. Four different groups of research criteria used to assess suicide attempt impulsivity emerged: (a) time-related criteria, (b) absence of proximal planning/preparations, (c) presence of suicide plan in lifetime/previous year, and (d) other. Subsequent analysis used these criteria to compare results from different studies on 20 most researched hypotheses. Conclusions regarding the characteristics of impulsive attempts are more consistent than those on the risk factors specific to such attempts. No risk factors were identified that uniformly related to suicide attempt impulsivity across all criteria groups, but relationships emerged between separate criteria and specific characteristics of suicide attempters. LIMITATIONS Only published articles were included. Large inconsistencies in methods of the studies included in this review prevented comparison of effect sizes. CONCLUSIONS The vast disparities in findings on risk factors for impulsive suicide attempts among different criteria groups suggest the need to address the methodological issues in defining suicide attempt impulsivity before further research into correlates of such attempts can effectively progress. Specific recommendations are offered for necessary research.
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Affiliation(s)
- Jurgita Rimkeviciene
- Australian Institute for Suicide Research and Prevention, National Centre of Excellence in Suicide Prevention, World Health Organisation Collaborating Centre for Research and Training in Suicide Prevention, Griffith University, Australia.
| | - John O'Gorman
- Australian Institute for Suicide Research and Prevention, National Centre of Excellence in Suicide Prevention, World Health Organisation Collaborating Centre for Research and Training in Suicide Prevention, Griffith University, Australia; Griffith Health Institute, Australia
| | - Diego De Leo
- Australian Institute for Suicide Research and Prevention, National Centre of Excellence in Suicide Prevention, World Health Organisation Collaborating Centre for Research and Training in Suicide Prevention, Griffith University, Australia
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Anestis MD, Soberay KA, Gutierrez PM, Hernández TD, Joiner TE. Reconsidering the link between impulsivity and suicidal behavior. PERSONALITY AND SOCIAL PSYCHOLOGY REVIEW 2014; 18:366-86. [PMID: 24969696 DOI: 10.1177/1088868314535988] [Citation(s) in RCA: 166] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
It is widely accepted that suicidal behavior often occurs with little planning. We propose, however, that suicidal behavior is rarely if ever impulsive-that it is too frightening and physically distressing to engage in without forethought-and that suicidal behavior in impulsive individuals is accounted for by painful and fearsome behaviors capable of enhancing their capacity for suicide. We conducted a meta-analysis of the association between trait impulsivity and suicidal behavior and a critical review of research considering the impulsiveness of specific suicide attempts. Meta-analytic results suggest the relationship between trait impulsivity and suicidal behavior is small. Furthermore, studies examining a mediating role of painful and provocative behaviors have uniformly supported our model. Results from our review suggest that researchers have been unable to adequately measure impulsivity of attempts and that measures sensitive to episodic planning must be developed to further our understanding of this phenomenon.
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Affiliation(s)
| | - Kelly A Soberay
- Military Suicide Research Consortium, Denver, CO, USA Denver VA Medical Center MIRECC, CO, USA
| | - Peter M Gutierrez
- Military Suicide Research Consortium, Denver, CO, USA Denver VA Medical Center MIRECC, CO, USA University of Colorado, Boulder, USA
| | | | - Thomas E Joiner
- Military Suicide Research Consortium, Denver, CO, USA Florida State University, Tallahassee, USA
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Anestis MD, Pennings SM, Williams TJ. Preliminary Results From an Examination of Episodic Planning in Suicidal Behavior. CRISIS 2014; 35:186-92. [DOI: 10.1027/0227-5910/a000250] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background: Prior research has reported that a substantial portion of suicidal behavior occurs impulsively. These studies, however, have been unable to assess for episodic planning. Aims: To provide preliminary support for the plausibility and utility of assessing episodic, nonlinear planning in suicidal behavior. Method: Fifty undergraduates with a prior history of suicidal behavior responded to a series of questions assessing level of attempt, method, and level of planning during their most recent self-reported suicide attempt. Results: Level of intent was positively associated with planning, and the modal individual whose most recent attempt involved clear intent to die endorsed planning for at least 1 year. Conclusion: These preliminary data support the plausibility and potential utility of assessing episodic planning and indicate that suicide attempts involving a clear intent to die typically require extensive levels of planning and rarely (if ever) emerge without forethought.
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Affiliation(s)
- Michael D. Anestis
- Department of Psychology, University of Southern Mississippi, Hattiesburg, USA
| | | | - Tabatha J. Williams
- Department of Psychology, University of Southern Mississippi, Hattiesburg, USA
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King CA, Jiang Q, Czyz EK, Kerr DCR. Suicidal ideation of psychiatrically hospitalized adolescents has one-year predictive validity for suicide attempts in girls only. JOURNAL OF ABNORMAL CHILD PSYCHOLOGY 2014; 42:467-77. [PMID: 23996157 PMCID: PMC5036445 DOI: 10.1007/s10802-013-9794-0] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Clinicians commonly incorporate adolescents' self-reported suicidal ideation into formulations regarding adolescents' risk for suicide. Data are limited, however, regarding the extent to which adolescent boys' and girls' reports of suicidal ideation have clinically significant predictive validity in terms of subsequent suicidal behavior. This study examined psychiatrically hospitalized adolescent boys' and girls' self-reported suicidal ideation as a predictor of suicide attempts during the first year following hospitalization. A total of 354 adolescents (97 boys; 257 girls; ages 13-17 years) hospitalized for acute suicide risk were evaluated at the time of hospitalization as well as 3, 6, and 12 months later. Study measures included the Suicidal Ideation Questionnaire-Junior, Multidimensional Anxiety Scale for Children, Children's Depression Rating Scale-Revised, Beck Hopelessness Scale, Youth Self-Report, and Personal Experiences Screen Questionnaire. The main study outcome was presence and number of suicide attempt(s) in the year after hospitalization, measured by the Diagnostic Interview Schedule for Children. Results indicated a significant interaction between suicidal ideation, assessed during first week of hospitalization, and gender for the prediction of subsequent suicide attempts. Suicidal ideation was a significant predictor of subsequent suicide attempts for girls, but not boys. Baseline history of multiple suicide attempts was a significant predictor of subsequent suicide attempts across genders. Results support the importance of empirically validating suicide risk assessment strategies separately for adolescent boys and girls. Among adolescent boys who have been hospitalized due to acute suicide risk, low levels of self-reported suicidal ideation may not be indicative of low risk for suicidal behavior following hospitalization.
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Affiliation(s)
- Cheryl A King
- Departments of Psychiatry and Psychology, University of Michigan Depression Center, University of Michigan, Ann Arbor, MN, USA,
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Hawton K, Saunders K, Topiwala A, Haw C. Psychiatric disorders in patients presenting to hospital following self-harm: a systematic review. J Affect Disord 2013; 151:821-30. [PMID: 24091302 DOI: 10.1016/j.jad.2013.08.020] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 08/19/2013] [Accepted: 08/20/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND Psychiatric disorders occur in approximately 90% of individuals dying by suicide. The prevalence of psychiatric disorders in people who engage in non-fatal self-harm has received less attention. METHOD Systematic review using electronic databases (Embase, PsychINFO and Medline) for English language publications of studies in which psychiatric disorders have been assessed using research or clinical diagnostic schedules in self-harm patients of all ages presenting to general hospitals, followed by meta-analyses using random effects methods. RESULTS A total of 50 studies from 24 countries were identified. Psychiatric (Axis I) disorders were identified in 83.9% (95% CI 74.7-91.3%) of adults and 81.2% (95% CI 60.9-95.5%) of adolescents and young persons. The most frequent disorders were depression, anxiety and alcohol misuse, and additionally attention deficit hyperactivity disorder (ADHD) and conduct disorder in younger patients. Personality (Axis II) disorders were found in 27.5% (95% CI 17.6-38.7%) of adult patients. Psychiatric disorders were somewhat more common in patients in Western (89.6%, 95% CI 83.0-94.7%) than non-Western countries (70.6%, 95% CI 50.1-87.6%). LIMITATIONS Heterogeneity between study results was generally high. There were differences between studies in identification of study participants and diagnostic procedures. CONCLUSIONS Most self-harm patients have psychiatric disorders, as found in people dying by suicide. Depression and anxiety disorders are particularly common, together with ADHD and conduct disorder in adolescents. Psychosocial assessment and aftercare of self-harm patients should include careful screening for such disorders and appropriate therapeutic interventions. Longitudinal studies of the progress of these disorders are required.
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Affiliation(s)
- Keith Hawton
- Centre for Suicide Research, University Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX, United Kingdom; Oxford Health NHS Foundation Trust, Warneford Hospital Oxford, Oxfordshire, United Kingdom.
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Bagge CL, Littlefield AK, Lee HJ. Correlates of proximal premeditation among recently hospitalized suicide attempters. J Affect Disord 2013; 150:559-64. [PMID: 23507371 DOI: 10.1016/j.jad.2013.02.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Accepted: 02/02/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND Different conceptualizations of an impulsive suicide attempt (ISA) have not been studied systematically and there is no standard assessment of an ISA. This lack of clarity hinders the advancement of suicidological research and knowledge. The aim of the current study was to examine clinical correlates of different facets of an ISA (reduced proximal contemplation, planning, and decision to act) across divergent methodologies. METHODS Participants included 212 recent suicide attempters presenting to a Level 1 trauma hospital. The Suicide Intent Scale and the Timeline Follow-Back Interview for suicide attempts were used to assess different facets of an ISA and their associations with other attempt characteristics, and proximal and distal clinical correlates. RESULTS A large percentage of patients had an ISA using facets of varying severity (ranging from 42% [contemplation] to 85% [decision]). Multivariate analyses revealed unique associations between a particular ISA facet and the following: hopelessness and depressive symptoms (contemplation), subjective expectation of fatality (planning), and acute negative life events (decision). LIMITATIONS Validated self-report screening measures were used to assess current psychopathology and future studies should include structured interviews to assess diagnostic features. CONCLUSIONS Our results suggest that a fine-grained approach is needed for furthering our understanding of the ISA construct. In light of the current findings, ISA should be seriously considered given clinicians' task of determining whether a particular patient is at imminent risk for suicide.
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Affiliation(s)
- Courtney L Bagge
- University of Mississippi Medical Center, Department of Psychiatry and Human Behavior, Jackson, MS 39216, United States.
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Plöderl M, Wagenmakers EJ, Tremblay P, Ramsay R, Kralovec K, Fartacek C, Fartacek R. Suicide risk and sexual orientation: a critical review. ARCHIVES OF SEXUAL BEHAVIOR 2013; 42:715-727. [PMID: 23440560 DOI: 10.1007/s10508-012-0056-y] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Revised: 01/22/2012] [Accepted: 08/19/2012] [Indexed: 06/01/2023]
Abstract
Many studies have reported higher rates of suicide attempts among sexual minority individuals compared with their heterosexual counterparts. For suicides, however, it has been argued that there is no sexual orientation risk difference, based on the results of psychological autopsy studies. The purpose of this article was to clarify the reasons for the seemingly discrepant findings for suicide attempts and suicides. First, we reviewed studies that investigated if the increased suicide attempt risk of sexual minorities resulted from biased self-reports or less rigorous assessments of suicide attempts. Second, we reanalyzed the only two available case-control autopsy studies and challenge their original "no difference" conclusion by pointing out problems with the interpretation of significance tests and by applying Bayesian statistics and meta-analytical procedures. Third, we reviewed register based and clinical studies on the association of suicides and sexual orientation. We conclude that studies of both suicide attempts and suicides do, in fact, point to an increased suicide risk among sexual minorities, thus solving the discrepancy. We also discuss methodological challenges inherent in research on sexual minorities and potential ethical issues. The arguments in this article are necessary to judge the weight of the evidence and how the evidence might be translated into practice.
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Affiliation(s)
- Martin Plöderl
- Suicide Prevention Research Program, Institute of Public Health, Paracelsus Private Medical University, Salzburg,
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Ghanem M, Gamaluddin H, Mansour M, Samiee' AA, Shaker NM, El Rafei H. Role of impulsivity and other personality dimensions in attempted suicide with self-poisoning among children and adolescents. Arch Suicide Res 2013; 17:262-74. [PMID: 23889575 DOI: 10.1080/13811118.2013.805645] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The objective of this study was to clarify the role of impulsivity and personality dimensions in attempted suicide among youth. The study included 120 youths who attempted suicide and 100 matched controls. Attempters of suicide had higher total scores and subscales of impulsivity than controls. They had higher novelty seeking, harm avoidance, and reward dependence scores, lower scores on persistence, self-directedness, and cooperativeness. A total of 77.5% of suicide attempters had psychiatric disorders compared to 2% of controls. Main factors predicting the occurrence of suicidal attempts were the presence of psychiatric disorder, impulsivity, stressful life events, and high reward dependence of suicide attempters. The study supports that impulsivity and personality traits play an important role in youth suicide independently or as a part of other interacting factors.
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Affiliation(s)
- Mohamed Ghanem
- Neuropsychiatry Department, Ain Shams University, Cairo, Egypt
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Nock MK, Deming CA, Fullerton CS, Gilman SE, Goldenberg M, Kessler RC, McCarroll JE, McLaughlin KA, Peterson C, Schoenbaum M, Stanley B, Ursano RJ. Suicide Among Soldiers: A Review of Psychosocial Risk and Protective Factors. Psychiatry 2013; 76:97-125. [PMID: 23631542 PMCID: PMC4060831 DOI: 10.1521/psyc.2013.76.2.97] [Citation(s) in RCA: 228] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Suicide is difficult to predict and prevent and remains a leading cause of death worldwide. Although soldiers historically have had a suicide rate well below that of the general population, the suicide rate among members of the U.S. Army has increased markedly over the past several years and now exceeds that of the general population. This paper reviews psychosocial factors known to be associated with the increased risk of suicidal behavior in general and describes how some of these factors may be especially important in understanding suicide among soldiers. Moving forward, the prevention of suicide requires additional research aimed at: (a) better describing when, where, and among whom suicidal behavior occurs, (b) using exploratory studies to discover new risk and protective factors, (c) developing new methods of predicting suicidal behavior that synthesize information about modifiable risk and protective factors from multiple domains, and (d) understanding the mechanisms and pathways through which suicidal behavior develops. Although the scope and severity of this problem is daunting, the increasing attention and dedication to this issue by the Armed Forces, scientists, and society provide hope for our ability to better predict and prevent these tragic outcomes in the future.
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Affiliation(s)
- Matthew K Nock
- Department of Psychology, Harvard University, in Cambridge, Massachusetts 02138, USA.
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Bureau JS, Mageau GA, Vallerand RJ, Rousseau FL, Otis J. Self-determination: a buffer against suicide ideation. Suicide Life Threat Behav 2012; 42:377-93. [PMID: 22583040 DOI: 10.1111/j.1943-278x.2012.00097.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Self-determination was examined as a protective factor against the detrimental impact of negative life events on suicide ideation in adolescents. It is postulated that for highly self-determined adolescents, negative life events have a weaker impact on both hopelessness and suicide ideation than for non-self-determined adolescents. In turn, hopelessness is hypothesized to generate less suicide ideation for highly self-determined individuals. Results from multigroup analyses confirm that both the direct and indirect links between negative life events and suicide ideation were significantly weaker among participants high in self-determination. The protective role of self-determination against negative life events is discussed.
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Characteristics of individuals who make impulsive suicide attempts. J Affect Disord 2012; 136:1121-5. [PMID: 22119087 PMCID: PMC3927642 DOI: 10.1016/j.jad.2011.10.034] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Accepted: 10/25/2011] [Indexed: 11/21/2022]
Abstract
BACKGROUND Previous research has identified only a few variables that have been associated with making an impulsive suicide attempt. The aim of the current study was to compare individuals who made an impulsive suicide attempt with those who made a premeditated attempt on both previously examined and novel characteristics. METHOD Participants were classified as making an impulsive or premeditated attempt based on the Suicide Intent Scale (Beck et al., 1974a) and were compared on a number of characteristics relevant to suicidality, psychiatric history, and demographics. RESULTS Individuals who made an impulsive attempt expected that their attempts would be less lethal; yet the actual lethality of both groups' attempts was similar. Those who made an impulsive attempt were less depressed and hopeless than those who made a premeditated attempt. Participants who made an impulsive attempt were less likely to report a history of childhood sexual abuse and more likely to be diagnosed with an alcohol use disorder than those who made a premeditated attempt. LIMITATIONS Although the sample size was adequate for bivariate statistics, future studies using larger sample sizes will allow for multivariate analyses of characteristics that differentiate individuals who make impulsive and premeditated attempts. CONCLUSIONS Clinicians should not minimize the significance of impulsive attempts, as they are associated with a similar level of lethality as premeditated attempts. Focusing mainly on depression and hopelessness as indicators of suicide risk has the potential to under-identify those who are at risk for making impulsive attempts.
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Holtman Z, Shelmerdine S, London L, Flisher A. Suicide in a Poor Rural Community in the Western Cape, South Africa: Experiences of Five Suicide Attempters and Their Families. SOUTH AFRICAN JOURNAL OF PSYCHOLOGY 2011. [DOI: 10.1177/008124631104100305] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
International studies have documented the association between poverty, low education levels and poor mental health, including suicide attempts. Many farm worker communities in the Western Cape, South Africa, are exposed to poor living and working conditions throughout their lives. They also tend to suffer from chronic illness such as tuberculosis as well as widespread alcohol abuse. Many farm workers are also exposed to pesticides, which have been associated with affective disorders. Through in-depth, semi-structured interviews this qualitative study explored the life experiences of five suicide survivors and their carers to examine the factors that, according to them, predisposed them to and precipitated the suicide attempt. The impact of the suicide attempt on the family was also explored as well as shortcomings in terms of psychological support networks in the community. Contextual factors identified by the study participants that affected them included abject poverty as a result of unemployment and low education levels, childhood within dysfunctional family environments, early alcohol use and current alcohol dependence, previous and current interpersonal conflict and violence, a sense of hopelessness and the absence of coping mechanisms. Easy access to pesticides as a means for self-harm was also a common factor. Further research on the determinants of suicide attempts in this community is needed, as well as on effective and affordable interventions in remote and vulnerable communities such as these. Addressing structural problems would deal with the underlying reasons for suicidal feelings. In the meantime, shorter-term multi-sectoral interventions are needed by stakeholders such as government, civil society and faith-based organizations. These could include effective legislation and policies that regulate working and living conditions of farm workers, appropriate mental health care interventions, educational workshops, and nutrition schemes that address the unique needs of rural farming communities.
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Affiliation(s)
- Zelda Holtman
- Centre for Occupational and Environmental Health Research, School of Public Health and Family Medicine, University of Cape Town, South Africa
| | | | - Leslie London
- School of Public Health and Family Medicine, University of Cape Town
| | - Alan Flisher
- Adolescent Health Research Unit, Mental Health and Poverty Project, University of Cape Town
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The Moderating Effect of Impulsivity on the Relationship Between Stressful Life Events and Depression Among College Women. Int J Ment Health Addict 2011. [DOI: 10.1007/s11469-011-9333-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Pompili M, Innamorati M, Szanto K, Di Vittorio C, Conwell Y, Lester D, Tatarelli R, Girardi P, Amore M. Life events as precipitants of suicide attempts among first-time suicide attempters, repeaters, and non-attempters. Psychiatry Res 2011; 186:300-5. [PMID: 20889216 DOI: 10.1016/j.psychres.2010.09.003] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2010] [Revised: 09/04/2010] [Accepted: 09/11/2010] [Indexed: 11/27/2022]
Abstract
The aims of this study were to investigate risk factors for suicide attempts and propose a model explaining the associations among life events and suicide status. We assessed 263 subjects admitted following a suicide attempt to the Division of Psychiatry of the Department of Neurosciences of the University of Parma and compared them with 263 non-attempter clinical control subjects. Attempters reported significantly more adverse life events both in the last 6 months, and between the ages of 0-15 years than non-attempters. A multinomial logistic regression analysis with stepwise forward entry indicated that the best model to explain suicide status was one which included life events in the last 6 months, life events during age 0-15 years, and their interaction. First-time attempter status (vs. non-attempters) was more likely to be linked to life events in the last 6 months, the interaction between life events in the last 6 months and life events during age 0-15 years, and low social support. Those attempters with one or more prior attempts (repeat attempters) were more likely than non-attempters to be linked to the interaction between life events in the last 6 months and life events during age 0-15 years, and to higher rates of psychopharmacological treatment before the index admission. Guided by these findings, monitoring the impact of early-life and recent events in vulnerable individuals should be part of risk assessment and treatment.
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Plöderl M, Kralovec K, Fartacek R. The relation between sexual orientation and suicide attempts in Austria. ARCHIVES OF SEXUAL BEHAVIOR 2010; 39:1403-1414. [PMID: 20130976 DOI: 10.1007/s10508-009-9597-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2008] [Revised: 12/15/2009] [Accepted: 12/15/2009] [Indexed: 05/28/2023]
Abstract
Previous studies indicate that homosexual or bisexual individuals are at a higher risk of attempting suicide compared to heterosexuals. To overcome biases in these studies, more rigorous definitions of "suicide attempts" and the assessment of multiple dimensions of sexual orientation are needed. In addition, studies from the German speaking region are sparse, especially those not recruiting participants from the gay or lesbian communities. We solicited self-reported suicide attempts among 1,382 Austrian adults recruited through structured snowball sampling from students' social networks. Suicide attempts were more frequently reported by those participants with homosexual or bisexual fantasies, partner preference, behavior, and self-identification, compared to their heterosexually classified counterparts. This was true for any dimension of sexual orientation and for suicide attempts with intent to die or suicide attempts that required medical treatment. Our Austrian study confirmed existing evidence that homosexual and bisexual individuals are at an increased risk for attempting suicide. This should be considered in suicide preventive efforts.
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Affiliation(s)
- Martin Plöderl
- University Institute for Clinical Psychology, Paracelsus Private Medical University and Christian-Doppler-Klinik, Salzburg, Austria.
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Baptista MN, Borges A. Suicídio: aspectos epidemiológicos em Limeira e adjacências no período de 1998 a 2002. ESTUDOS DE PSICOLOGIA (CAMPINAS) 2005. [DOI: 10.1590/s0103-166x2005000400010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Para o presente estudo epidemiológico/documental foram selecionados os laudos de suicídios (n=153) no IML de Limeira (responsável por oito cidades da região), estado de São Paulo, Brasil, no período de janeiro de 1998 a dezembro de 2002. Os dados analisados foram os sociodemográficos: idade, sexo, estado civil, localidade (urbano/rural), além dos dados referentes aos métodos utilizados para a execução dos suicídios. Pode-se averiguar que os suicídios responderam por 6,2% de todas as mortes no período citado, sendo mais prevalente em homens (82,0%) e no meio urbano (88,9%). A faixa etária mais atingida foi a de 21 a 40 anos para ambos os sexos, respondendo por 49,4% de toda a amostra e os métodos mais utilizados para os homens foram: enforcamento (56,0%) e arma de fogo (24,0%), e para as mulheres enforcamento (39,3%) e intoxicação/veneno (21,4%). A média geral de suicídios foi de 4,88/100.000 habitantes nas oito cidades pesquisadas no período. Os resultados são discutidos comparando-se os dados atuais com pesquisas epidemiológicas realizadas no Brasil.
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Kaslow NJ, Sherry A, Bethea K, Wyckoff S, Compton MT, Bender Grall M, Scholl L, Price AW, Kellermann A, Thompson N, Parker R. Social risk and protective factors for suicide attempts in low income African American men and women. Suicide Life Threat Behav 2005; 35:400-12. [PMID: 16178695 DOI: 10.1521/suli.2005.35.4.400] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A case-control study was conducted to examine a broad array of potential social risk and protective factors for suicide attempt among 200 African American men and women receiving care at a large, public, urban hospital. Specifically, we examined the effect of the following potential risk factors for suicide attempt: life hassles, partner abuse, partner dissatisfaction, and racist events; as well as the following potential protective factors: effectiveness of obtaining resources, social embeddedness, and social support. Using logistic regression, suicide attempter status was predicted by two independently significant social variables: one risk factor (life hassles) and one protective factor (social support). Male versus female suicide attempters were not distinguished by the social variables. These findings, which support the utility of an ecological conceptualization of risk and protective factors for suicide attempt, help to clarify the independently significant social environment risk and protective factors for suicide attempts among economically disadvantaged African Americans in particular. Research on both risk factors and protective factors provide a basis for culturally competent interventions aimed at reducing both the risk of future suicide attempts and completions.
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Affiliation(s)
- Nadine J Kaslow
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Grady Health System, 80 Jesse Hill Jr. Drive, Atlanta, Georgia 30303, USA.
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Yen S, Pagano ME, Shea MT, Grilo CM, Gunderson JG, Skodol AE, McGlashan TH, Sanislow CA, Bender DS, Zanarini MC. Recent life events preceding suicide attempts in a personality disorder sample: findings from the collaborative longitudinal personality disorders study. J Consult Clin Psychol 2005; 73:99-105. [PMID: 15709836 PMCID: PMC3276403 DOI: 10.1037/0022-006x.73.1.99] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Few studies have examined the relationship between life events, suicide attempts, and personality disorders (PDs), in spite of the strong associations between PDs and suicidal behavior, and the poor coping strategies often exhibited by these individuals. The authors examined whether participants with PDs who attempted suicide during the first 3 years of a prospective, longitudinal study were more likely to experience specific life events in the month during and preceding the suicide attempt. Of 489 participants with PDs, 61 attempted suicide during the 3-year, follow-up interval. Results indicated that negative life events, particularly those pertaining to love-marriage or crime-legal matters, were significant predictors of suicide attempts, even after controlling for baseline diagnoses of borderline PD, major depressive disorders, substance use disorders, and a history of childhood sexual abuse. Therefore, certain types of negative life events are unique risk factors for imminent suicide attempts among individuals with PDs.
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Affiliation(s)
- Shirley Yen
- Department of Psychiatry and Human Behavior, Brown University Medical School, Providence, RI 02906, USA.
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Wilcox HC, Anthony JC. The development of suicide ideation and attempts: an epidemiologic study of first graders followed into young adulthood. Drug Alcohol Depend 2004; 76 Suppl:S53-67. [PMID: 15555817 DOI: 10.1016/j.drugalcdep.2004.08.007] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2004] [Accepted: 08/04/2004] [Indexed: 10/26/2022]
Abstract
Studying community residing youths originally recruited for an intervention trial upon entry into first grade, this project sought to estimate risk of suicide ideation and attempts to young adulthood, with focus on those who used drugs before age 16, as compared to youths who used later in development or not at all. Standardized interview assessments in 1989-1994 were completed with 2311 youths age 8-15. Roughly 15 years after recruitment, our study team reassessed 1695, nearly 75% of the survivors (mean age = 21), finding 155 to have made suicide attempts (SA) and 218 with onset of depression-related suicide ideation (SI). We estimate relative risk (RR), from survival analysis and logistic regression models, to study early use of tobacco, alcohol, cannabis, and inhalants, with covariate adjustments for age, sex, race-ethnicity, and other pertinent covariates. Early-onset of cannabis use and inhalant use for females, but not for males, signaled modestly excess risk of suicide attempt (cannabis-associated RR = 1.9; p = 0.04; inhalant-associated RR = 2.2; p = 0.05). Early-onset of cannabis use by females (but not for males) signaled excess risk for suicide ideation (RR = 2.9; p = 0.006). Early-onset alcohol and tobacco use were not associated with later risk of SA or SI. In light of the relatively modest strength of association, the evidence may well reflect an underlying common diathesis or unmeasured prior confounding influences that link early-onset illegal drug use with later risk of these suicide-related events, rather than an influence of early-onset drug use per se.
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Affiliation(s)
- Holly C Wilcox
- Department of Psychiatry and Behavioral Sciences, Center for Family Research, George Washington University, Washington DC, WA 20037, USA.
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Dougherty DM, Mathias CW, Marsh DM, Moeller FG, Swann AC. Suicidal behaviors and drug abuse: impulsivity and its assessment. Drug Alcohol Depend 2004; 76 Suppl:S93-S105. [PMID: 15555820 DOI: 10.1016/j.drugalcdep.2004.08.010] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2004] [Accepted: 08/04/2004] [Indexed: 10/26/2022]
Abstract
Impulsivity appears to play an important role in suicidal behaviors and drug abuse, which are two psychiatric problems that may interact with one another. Interpretation of the literature on impulsivity in these behaviors may be complicated by the variety of measurement techniques for the assessment of impulsivity. There are three general types of impulsivity assessment: self-report, biological, and laboratory behavioral. Because laboratory behavioral measures both meet an operational definition of impulsivity and are sensitive to state-dependent changes in impulsivity, this paper presents data that focuses on laboratory behavioral performance among samples emitting suicidal behaviors or substance abuse. To better account for influence of impulsivity in these psychiatric disturbances, no single source of measurement should be used without the consideration of other types of instruments.
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Affiliation(s)
- Donald M Dougherty
- Neurobehavioral Research Laboratory and Clinic, Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, 1300 Moursund Street, Houston, TX 77030, USA.
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Abstract
Unplanned acts of suicidal behavior involve little preparation or forethought whereas planned acts may be carefully conceived and implemented. Planned acts are associated with greater depression, hopelessness, and lethality, but there are meager data on other factors associated with planning. The prevention of planned and unplanned acts may require different strategies, but in either case improved knowledge is required to tailor prevention efforts. Improved knowledge can be facilitated by the acceleration of validation studies on assessments of planning, taking steps to avoid the conflation of assessments of planning with measurements of psychopathology such as impulsivity, and the use of controlled research designs.
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Affiliation(s)
- Kenneth R Conner
- University of Rochester Medical Center, Department of Psychiatry and Center for the Study and Prevention of Suicide, NY 14642, USA.
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