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Chan SKW, Zhou LF, Cai J, Liao Y, Huang Y, Deng ZY, Liu YJ, Chen XC, Gao R, Zhang XF, Tao YQ, Zhou L, Deng XP, Liu B, Ran MS. Risk factors of non-suicidal self-injury of youth students at different developmental stages during COVID-19 pandemic in Jingzhou China. J Affect Disord 2024; 355:57-65. [PMID: 38518855 DOI: 10.1016/j.jad.2024.03.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Affiliation(s)
- Sherry Kit Wa Chan
- Department of Psychiatry, School of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong; The State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong
| | - Li-Fang Zhou
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China
| | - Jia Cai
- Mental Health Center, Institute of Psychiatry, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yingqi Liao
- Department of Psychiatry, School of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Yi Huang
- Mental Health Center, Institute of Psychiatry, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhong-Yue Deng
- Mental Health Center, Institute of Psychiatry, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yu-Jun Liu
- Department of Social Work and Social Policy, School of Social and Behavioral Sciences, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Xiao-Chuan Chen
- Ya'an Fourth People's Hospital, Ya'an, Sichuan 625000, China
| | - Ru Gao
- Wenjiang People's Hospital, Chengdu, Sichuan 610037, China
| | - Xin-Feng Zhang
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China
| | - Yan-Qing Tao
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China
| | - Lie Zhou
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China
| | - Xiao-Peng Deng
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China
| | - Bo Liu
- Jingzhou Mental Health Center, Mental Health Institute of Yangtze University, Jingzhou, Hubei 434000, China.
| | - Mao-Sheng Ran
- Mental Health Center, Institute of Psychiatry, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
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Nagy LM, Muehlenkamp JJ. Negative self-perceptions and severity of NSSI: Testing the benefits and barriers model. J Clin Psychol 2024; 80:1365-1376. [PMID: 38401145 DOI: 10.1002/jclp.23667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 01/18/2024] [Accepted: 02/10/2024] [Indexed: 02/26/2024]
Abstract
Nonsuicidal self-injury (NSSI) is theorized to be caused by negative associations with the self, including low self-esteem, but the mechanisms explaining why low self-esteem is related to more severe NSSI are unclear. The current study aimed to address this limitation by evaluating a mediation model, proposing that low self-esteem would relate to more severe NSSI through increasing self-punishment motivations. Data came from 468 undergraduate students with a history of NSSI who completed an online survey measuring NSSI characteristics and functions, self-esteem, and self-punishment motivations for NSSI. Mediation was tested using a structural equation model using bootstrapped 95% percentile-corrected confidence intervals in which NSSI severity was modeled as a latent variable composed of NSSI frequency, recency, and versatility of methods. The total model was significant and the indirect effect of self-esteem on NSSI severity through self-punishment motives was significant. Self-esteem also retained significant direct effects on NSSI severity, indicating partial mediation. These results provide support for the benefits and barriers model of NSSI, suggesting that negative self-views increase risk for more severe NSSI through self-punishment motivations. Clinical interventions that emphasize self-compassion and focus on modifying self-punishment motivations may help reduce NSSI behavior.
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Affiliation(s)
- Laura M Nagy
- Department of Psychology, High Point University, High Point, North Carolina, USA
| | - Jennifer J Muehlenkamp
- Department of Psychology, University of Wisconsin-Eau Claire, Eau Claire, Wisconsin, USA
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McEvoy D, Brannigan R, Walsh C, Arensman E, Clarke M. Identifying high-risk subgroups for self-harm in adolescents and young adults: A longitudinal latent class analysis of risk factors. J Affect Disord 2024; 351:40-48. [PMID: 38290576 DOI: 10.1016/j.jad.2024.01.230] [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: 07/21/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND Self-harm is a major public health concern in young people and is governed by a complex interaction of different risk factors. While many studies have identified these risk factors, less is known about how they tend to co-occur together. METHODS A latent class analysis was conducted using risk factors for self-harm from two waves at ages 13 and 17 from the Growing Up in Ireland (GUI) study their associations with self-harm were examined longitudinally at ages 17 and 20, respectively. RESULTS At age 13, there was a 'peer problems' group with higher probabilities of bullying, being unpopular and internalising problems and a 'school and substance use problems' group with higher probabilities of substance use, truancy or excessive absence from school and violence. Both of these two groups had over a two-fold risk of self-harm at age 17 in comparison to the low risk factor group. At age 17, there was a group with depression that was diagnosed by a medical professional with the highest relative risk (RR:13.9 (95 % CI 10.2-19.0)) of self-harm at age 20. Two other groups with undiagnosed depression had high probabilities of being bullied, and either high or low probabilities of substance use that had a 9.4 (95 % CI 6.8-13.1) and 7.4 (95 % CI 5.5-10.0) relative risk of self-harm at age 20, respectively. CONCLUSIONS Identifying hidden sub-groups using risk factors for self-harm in young people can inform potential public health interventions by clinicians and other professionals who work with young people.
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Affiliation(s)
- David McEvoy
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin 2, Ireland.
| | - Ross Brannigan
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin 2, Ireland.
| | - Cathal Walsh
- Health Research Institute, University of Limerick, Limerick, Ireland.
| | - Ella Arensman
- School of Public Health, University College Cork, 4th Floor, Western Gateway Building, Western Road, Cork, Ireland; National Suicide Research Foundation (NSRF), Western Gateway Building, University College Cork, Ireland.
| | - Mary Clarke
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin 2, Ireland; Department of Psychiatry, Royal College of Surgeons in Ireland, Dublin, Ireland.
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Haime Z, Kennedy L, Grace L, Cohen R, Derges J, Biddle L. The Journey of Engaging With Web-Based Self-Harm and Suicide Content: Longitudinal Qualitative Study. JMIR INFODEMIOLOGY 2024; 4:e47699. [PMID: 38546718 PMCID: PMC11009851 DOI: 10.2196/47699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 10/10/2023] [Accepted: 02/15/2024] [Indexed: 04/14/2024]
Abstract
BACKGROUND Self-harm and suicide are major public health concerns worldwide, with attention focused on the web environment as a helpful or harmful influence. Longitudinal research on self-harm and suicide-related internet use is limited, highlighting a paucity of evidence on long-term patterns and effects of engaging with such content. OBJECTIVE This study explores the experiences of people engaging with self-harm or suicide content over a 6-month period. METHODS This study used qualitative and digital ethnographic methods longitudinally, including one-to-one interviews at 3 time points to explore individual narratives. A trajectory analysis approach involving 4 steps was used to interpret the data. RESULTS The findings from 14 participants established the web-based journey of people who engage with self-harm or suicide content. In total, 5 themes were identified: initial interactions with self-harm or suicide content, changes in what self-harm or suicide content people engage with and where, changes in experiences of self-harm or suicide behaviors associated with web-based self-harm or suicide content engagement, the disengagement-reengagement cycle, and future perspectives on web-based self-harm or suicide content engagement. Initial engagements were driven by participants seeking help, often when offline support had been unavailable. Some participants' exposure to self-harm and suicide content led to their own self-harm and suicide behaviors, with varying patterns of change over time. Notably, disengagement from web-based self-harm and suicide spaces served as a protective measure for all participants, but the pull of familiar content resulted in only brief periods of disconnection. Participants also expressed future intentions to continue returning to these self-harm and suicide web-based spaces, acknowledging the nonlinear nature of their own recovery journey and aiming to support others in the community. Within the themes identified in this study, narratives revealed that participants' behavior was shaped by cognitive flexibility and rigidity, metacognitive abilities, and digital expertise. Opportunities for behavior change arose during periods of cognitive flexibility prompted by life events, stressors, and shifts in mental health. Participants sought diverse and potentially harmful content during challenging times but moved toward recovery-oriented engagements in positive circumstances. Metacognitive and digital efficacy skills also played a pivotal role in participants' control of web-based interactions, enabling more effective management of content or platforms or sites that posed potential harms. CONCLUSIONS This study demonstrated the complexity of web-based interactions, with beneficial and harmful content intertwined. Participants who demonstrated metacognition and digital efficacy had better control over web-based engagements. Some attributed these skills to study processes, including taking part in reflective diaries, showing the potential of upskilling users. This study also highlighted how participants remained vulnerable by engaging with familiar web-based spaces, emphasizing the responsibility of web-based industry leaders to develop tools that empower users to enhance their web-based safety.
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Affiliation(s)
- Zoë Haime
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Laura Kennedy
- Centre for Society and Mental Health, Kings College, London, United Kingdom
- Samaritans, Surrey, United Kingdom
- Department of Health Service and Population Research, King's College London, London, United Kingdom
| | | | - Rachel Cohen
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
- Health and Social Services Group, Welsh Government, Cardiff, United Kingdom
| | - Jane Derges
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Lucy Biddle
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Bird K, Arcelus J, Matsagoura L, O'Shea B, Townsend E. Risk and protective factors for self-harm thoughts and behaviours in transgender and gender diverse people: A systematic review. Heliyon 2024; 10:e26074. [PMID: 38468947 PMCID: PMC10925986 DOI: 10.1016/j.heliyon.2024.e26074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 01/17/2024] [Accepted: 02/07/2024] [Indexed: 03/13/2024] Open
Abstract
Background Self-harm (any self-injury or -poisoning regardless of intent) is highly prevalent in transgender and gender diverse (TGD) populations. It is strongly associated with various adverse health and wellbeing outcomes, including suicide. Despite increased risk, TGD individuals' unique self-harm pathways are not well understood. Following PRISMA guidelines we conducted the first systematic review of risk and protective factors for self-harm in TGD people to identify targets for prevention and intervention. Methods We searched five electronic databases (PubMed, PsychInfo, Scopus, MEDLINE, and Web of Science) published from database inception to November 2023 for primary and secondary studies of risk and/or protective factors for self-harm thoughts and behaviours in TGD people. Data was extracted and study quality assessed using Newcastle-Ottawa Scales. Findings Overall, 78 studies published between 2007 and 2023 from 16 countries (N = 322,144) were eligible for inclusion. Narrative analysis identified six key risk factors for self-harm in TGD people (aged 7-98years) were identified. These are younger age, being assigned female at birth, illicit drug and alcohol use, sexual and physical assault, gender minority stressors (especially discrimination and victimisation), and depression or depressive symptomology. Three important protective factors were identified: social support, connectedness, and school safety. Other possible unique TGD protective factors against self-harm included: chosen name use, gender-identity concordant documentation, and protective state policies. Some evidence of publication bias regarding sample size, non-responders, and confounding variables was identified. Interpretation This systematic review indicates TGD people may experience a unique self-harm pathway. Importantly, the risk and protective factors we identified provide meaningful targets for intervention. TGD youth and those assigned female at birth are at increased risk. Encouraging TGD people to utilise and foster existing support networks, family/parent and peer support groups, and creating safe, supportive school environments may be critical for self-harm and suicide prevention strategies. Efforts to reduce drug and alcohol use and experiences of gender-based victimisation and discrimination are recommended to reduce self-harm in this high-risk group. Addressing depressive symptoms may reduce gender dysphoria and self-harm. The new evidence presented in this systematic review also indicates TGD people may experience unique pathways to self-harm related to the lack of social acceptance of their gender identity. However, robust longitudinal research which examines gender-specific factors is now necessary to establish this pathway.
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Affiliation(s)
- K. Bird
- School of Psychology, University of Nottingham, Nottingham, UK
| | - J. Arcelus
- Institute of Mental Health, University of Nottingham, Nottingham, UK
- Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - L. Matsagoura
- School of Psychology, University of Nottingham, Nottingham, UK
| | - B.A. O'Shea
- School of Psychology, University of Nottingham, Nottingham, UK
- Department of Psychology, Harvard University, Cambridge, MA, USA
- The Centre for the Experimental-Philosophical Study of Discrimination, Aarhus University, Denmark
| | - E. Townsend
- School of Psychology, University of Nottingham, Nottingham, UK
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McEvoy D, Brannigan R, Cooke L, Butler E, Walsh C, Arensman E, Clarke M. Risk and protective factors for self-harm in adolescents and young adults: An umbrella review of systematic reviews. J Psychiatr Res 2023; 168:353-380. [PMID: 37972513 DOI: 10.1016/j.jpsychires.2023.10.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 09/13/2023] [Accepted: 10/13/2023] [Indexed: 11/19/2023]
Abstract
We conducted an umbrella review to synthesise the evidence from systematic reviews and meta-analyses that examined the risk and protective factors for self-harm in young people. We searched six different databases and used the AMSTAR-2 checklist for quality assessment. The importance of each risk and protective factor was determined based on (1) the number of times it was identified by general reviews examining any risk or protective factor, and (2) the effect sizes from meta-analyses. There were 61 systematic reviews included in this review. The most frequently identified risk factors for self-harm in young people included childhood abuse, depression/anxiety, bullying, trauma, psychiatric illnesses, substance use/abuse, parental divorce, poor family relationships, lack of friends, and exposure to self-harm behaviour in others. The risk factors with the strongest evidence for an association with self-harm were behavioural disorders, personality disorders and depression or anxiety. There was a dearth of systematic reviews examining protective factors but good family/friend relationships were most frequently identified. There was also evidence to show that non-suicidal and suicidal self-harm shared many of the same risk factors. Clinicians and other professionals who work with young people should be particularly cognisant of the psychiatric and adverse life event risk factors as well as the substance use, education-related and individual-level (e.g. being LGB) risk factors for self-harm. Knowledge of risk factors for self-harm can potentially be used to inform the design and implementation of prevention measures and further research is needed on the protective factors for self-harm.
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Affiliation(s)
- David McEvoy
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin, 2, Ireland.
| | - Ross Brannigan
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin, 2, Ireland.
| | - Lorcan Cooke
- School of Medicine, Royal College of Surgeons Ireland (RCSI), Dublin, 2, Ireland.
| | - Emma Butler
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin, 2, Ireland.
| | - Cathal Walsh
- Health Research Institute, University of Limerick, Limerick, Ireland.
| | - Ella Arensman
- School of Public Health, University College Cork, 4th Floor, Western Gateway Building, Western Road, Cork, Ireland; National Suicide Research Foundation (NSRF), Western Gateway Building, University College Cork, Ireland.
| | - Mary Clarke
- School of Population Health, Royal College of Surgeons Ireland (RCSI), Beaux Lane House, Mercer Street Lower, Dublin, 2, Ireland; Department of Psychiatry, Royal College of Surgeons in Ireland (RCSI), Dublin, Ireland.
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Silke C, Brady B, Devaney C, O'Brien C, Durcan M, Bunting B, Heary C. Youth Suicide and Self-Harm: Latent Class Profiles of Adversity and the Moderating Roles of Perceived Support and Sense of Safety. J Youth Adolesc 2023; 52:1255-1271. [PMID: 36964434 PMCID: PMC10121538 DOI: 10.1007/s10964-023-01762-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/02/2023] [Indexed: 03/26/2023]
Abstract
Research suggests that exposure to adversity can lead to an increased risk of experiencing suicidal and self-injurious thoughts or behaviours, but few studies have examined whether different patterns of adversity are differentially associated with youth suicide/self-harm. The current study aims to explore the relationship between exposure to adversity across various social domains and youth self-harm and suicidality, using a person centred approach, and examines whether access to social support and a sense of safety across home, peer or school settings buffer the relationship between adversity and self-harm/suicidality. Secondary data analyses were carried out on cross-sectional self-report data collected from 4848 (Mage=15.78, SD = 0.59; 50% female) adolescents who participated in the Irish Planet Youth survey. Latent Class Analyses identified four distinct profiles of adversity; low-adversity (n = 2043, 42%); peer-adversity (n = 972, 20%); parental-adversity (n = 1189, 25%); and multiple-adversity (n = 644, 13%). Findings from logistic moderated regressions indicated that there were significant differences in self-harm and suicidality across the adversity classes. Although parental support and perceived safety at school were negatively associated with suicidality and self-harm outcomes, no significant moderation effects were observed. These findings suggest that youth who experience adversity across multiple social domains are more likely to report suicidal and self-harm thoughts and behaviours, and should be key targets for intervention/prevention efforts. While parental support and school safety may act as significant compensatory factors, further work is needed to identify the social resources that can offset the risk imposed by youth's adverse experiences.
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Affiliation(s)
- Charlotte Silke
- UNESCO Child & Family Research Centre, University of Galway, Galway, Ireland.
| | - Bernadine Brady
- UNESCO Child & Family Research Centre, University of Galway, Galway, Ireland
| | - Carmel Devaney
- UNESCO Child & Family Research Centre, University of Galway, Galway, Ireland
| | | | - Micheal Durcan
- Western Region Drugs & Alcohol Task Force, Galway, Ireland
| | | | - Caroline Heary
- School of Psychology, University of Galway, Galway, Ireland
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Wilson E, Crudgington H, Morgan C, Hirsch C, Prina M, Gayer-Anderson C. The longitudinal course of childhood bullying victimization and associations with self-injurious thoughts and behaviors in children and young people: A systematic review of the literature. J Adolesc 2023; 95:5-33. [PMID: 36210652 PMCID: PMC10092090 DOI: 10.1002/jad.12097] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 09/09/2022] [Accepted: 09/14/2022] [Indexed: 11/07/2022]
Abstract
INTRODUCTION Bullying victimization has consistently been highlighted as a risk factor for self-injurious thoughts and behaviors (SITBs) in young people. This systematic review of prospective, community-based studies explored associations between bullying victimization (traditional/face-to-face and cyber) across the full spectrum of self-harm and suicidality, in children and young people aged up to (and including) 25 years. Importantly, associations by sex/gender were explored. METHODS MEDLINE, Embase, PsycINFO, CINAHL and Scopus were searched for articles meeting the inclusion criteria. Articles were screened by title, abstract and full text. Quality appraisal was performed using the Newcastle-Ottawa Scale for cohort studies. Data were synthesized narratively. The protocol is registered on PROSPERO (CRD42021261916) and followed PRISMA 2020 guidelines. RESULTS A total of 35 papers were included, across 17 countries. Results were presented by bullying type: traditional/face-to-face (n = 25), cyber (n = 7) and/or an aggregate of both types (n = 7). Outcomes included suicidal ideation (n = 17), self-harm (n = 10), suicide attempt (n = 4), NSSI (n = 4), other (n = 7). Studies measured outcomes in under 18s (n = 24), 18-25-year-olds (n = 8) and both under 18s and 18-25-year-olds (n = 3). Studies exploring the role of sex/gender (20%) found some interesting nuances. CONCLUSIONS Some weak to strong associations between bullying and SITBs were found yet conclusions are tentative due to study heterogeneity (e.g., methods used, conceptualizations and operationalisations of exposures/outcomes). Future research should address methodological issues raised in this review, and further explore gender differences in bullying, including by bullying sub-types (e.g., overt or relational) and victim status (e.g., victim or bully-victim).
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Affiliation(s)
- Emma Wilson
- Department of Health Service & Population Research, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
- ESRC Centre for Society and Mental Health, King's College London, London, UK
| | - Holly Crudgington
- Department of Health Service & Population Research, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
- ESRC Centre for Society and Mental Health, King's College London, London, UK
| | - Craig Morgan
- Department of Health Service & Population Research, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
- ESRC Centre for Society and Mental Health, King's College London, London, UK
| | - Colette Hirsch
- Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
- South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Kent, UK
| | - Matthew Prina
- Department of Health Service & Population Research, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Charlotte Gayer-Anderson
- Department of Health Service & Population Research, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
- ESRC Centre for Society and Mental Health, King's College London, London, UK
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Wei Y, Ren P, Qin X, Zhang Y, Luo F, Chen C. Adolescent Peer Victimization and Deliberate Self-Harm: A Three-Wave Moderated Mediation Model. JOURNAL OF INTERPERSONAL VIOLENCE 2023; 38:NP565-NP587. [PMID: 35358398 DOI: 10.1177/08862605221082740] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Background: Identifying deliberate self-harm (DSH) and peer victimization in adolescents is a public health issue. The present study evaluates a three-wave longitudinal model to examine the effect of peer victimization on DSH and the roles of internalizing problems (depression and anxiety) and perceived peer and teacher support climate in this relationship. Methods: The participants were 2381 adolescents (51.2% boys, Mage = 13.38, SD = .59) from Chinese middle schools. Self-report measures were used to collect data every 6 months in three waves. Results: (1) Peer victimization at T1 positively predicted DSH at T3. (2) Depression at T2, rather than anxiety, mediated the relationship between peer victimization at T1 and DSH at T3. (3) Perceived peer support climate at T1 played a moderating role between peer victimization at T1 and depression and anxiety at T2, but perceived teacher support climate did not. Peer victimization had a stronger predictive effect on depression and anxiety for students with high level of perceived peer support climate. Limitations: Study limitations include the short interval (6 months) of the longitudinal design, the reliance on self-report questionnaires, the inclusion of only one aspect of student-student and teacher-student relationships, and the age limitation. Conclusions: The results demonstrated the importance of prevention for improving social and emotional skills to reduce peer victimization and of interventions to promote a peer support climate in the classroom. The findings highlight the need to consider different types of internalizing problems and perceived support in studies of DSH in adolescents.
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Affiliation(s)
- Yi Wei
- Collaborative Innovation Center of Assessment for Basic Education Quality, Beijing, China
| | - Ping Ren
- Collaborative Innovation Center of Assessment for Basic Education Quality, Beijing, China
| | - Xingna Qin
- Department of Sociology, 3647University of Groningen, Groningen, The Netherlands
| | - Yunyun Zhang
- Collaborative Innovation Center of Assessment for Basic Education Quality, Beijing, China
| | - Fang Luo
- School of Psychology, 47836Beijing Normal University, Beijing, China
| | - Chuansheng Chen
- Department of Psychological Science, 8788University of California, Irvine, Beijing, China
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Recent exposure to others’ confided suicidal thoughts and risk of self-harm and suicidality among adolescents. CURRENT PSYCHOLOGY 2022. [DOI: 10.1007/s12144-022-03123-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Finkelhor D, Walsh K, Jones L, Mitchell K, Collier A. Youth Internet Safety Education: Aligning Programs With the Evidence Base. TRAUMA, VIOLENCE & ABUSE 2021; 22:1233-1247. [PMID: 32242503 DOI: 10.1177/1524838020916257] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND This review critically examines the messages of youth internet safety education programs in the light of research about both the dynamics of internet dangers and the efficacy of youth prevention education. METHODS Using terms "internet safety education" and "digital citizenship," a Google search identified 12 multi-topic safety programs. Review articles were identified via Google Scholar for six forms of online harm to youth that have been targeted by many of these programs: cyberbullying (19 articles); online sexual exploitation (23 articles); sexting (19 articles); online fraud, hacking, and identity theft (6 articles); online suicide and self-harm promotion (18 articles); and internet overuse or addiction (15 articles). FINDINGS There appear to be mismatches between dynamics revealed in the research about internet harms and the messages emphasized in educational programs, particularly on the issues of sexual exploitation and sexting. Overall, the review literature also suggests major advantages to integrating internet safety into already well-established and evidence-based programs currently addressing related off-line harms, for example, programs focusing on general bullying, dating abuse, or sexual abuse prevention. The advantages stem from four factors: (1) the considerable overlap between online harms and similar off-line harms, (2) the apparent greater prevalence of off-line harms, (3) the evidence that the same risk factors lie behind both online and off-line harms, and most importantly, (4) the substantially superior evidence base for the longer standing programs developed originally around the off-line harms.
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Affiliation(s)
- David Finkelhor
- Crimes Against Children Research Center, University of New Hampshire, Durham, NH, USA
| | - Kerryann Walsh
- Faculty of Education, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Lisa Jones
- Crimes Against Children Research Center, University of New Hampshire, Durham, NH, USA
| | - Kimberly Mitchell
- Crimes Against Children Research Center, University of New Hampshire, Durham, NH, USA
| | - Anne Collier
- The Net Safety Collaborative, Salt Lake City, UT, USA
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Fadum EA, Carlsen EØ, Ramberg M, Strand LA, Håberg SE, Borud E, Martinussen M. Social and life skills in adolescents who have self-harmed: analysis of survey responses from a national sample of adolescents in Norway. BMJ Open 2021; 11:e054707. [PMID: 34772755 PMCID: PMC8593742 DOI: 10.1136/bmjopen-2021-054707] [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: 11/03/2022] Open
Abstract
OBJECTIVE Social and life skills (SLS) may be important in the prevention and treatment of self-harm, but few studies have described this relationship. We examined three components of SLS in adolescents who reported self-harm that was, according to themselves, diagnosed by a clinician. DESIGN Cross-sectional. SETTING National screening prior to military service. PARTICIPANTS 176 284 residents of Norway born in 1999-2001 received a declaration of health. We included 171 486 individuals (84 153 (49%) women and 87 333 (51%) men) who were 17 (n=1 67 855) or 18 years of age (n=3631) when they completed the declaration. OUTCOME MEASURE The main outcome was clinically diagnosed self-harm, defined as self-harm that the adolescents themselves stated had been diagnosed by a clinician. Components of SLS were social interactions; coping strategies; and emotional regulation/aggression. The association between SLS and self-reported clinically diagnosed self-harm was assessed in hierarchical multiple regression models controlling for sex; school absence; and feelings of emotional pain. RESULTS Three percent (n=5507) of the adolescents reported clinically diagnosed self-harm. The three components of SLS together added little to the prediction of clinically diagnosed self-harm (∆R2=0.02). After controlling for school absence and emotional pain, emotional regulation/aggression was the only SLS-component that was independently associated with clinically diagnosed self-harm (OR 1.33, 95% CI 1.31 to 1.36). The young men who said they had been clinically diagnosed for self-harm scored slightly worse on social interactions (Hedge's g (g) = -0.13, p<0.001) and emotional regulation/aggression (g = -0.18, p<0.001) than the young women in this group. CONCLUSION Young women and young men who reported clinically diagnosed self-harm had more problems with emotional regulation/aggression than other adolescents, but did not have worse social interactions or coping strategies.
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Affiliation(s)
- Elin Anita Fadum
- Institute of Military Epidemiology, Norwegian Armed Forces Joint Medical Services, Ullensaker, Akershus, Norway
| | - Ellen Øen Carlsen
- Institute of Military Epidemiology, Norwegian Armed Forces Joint Medical Services, Ullensaker, Akershus, Norway
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Maria Ramberg
- Department of Child and Adolescent Psychiatry, Oslo University Hospital, Oslo, Norway
| | - Leif Aage Strand
- Institute of Military Epidemiology, Norwegian Armed Forces Joint Medical Services, Ullensaker, Akershus, Norway
| | - Siri Eldevik Håberg
- Institute of Military Epidemiology, Norwegian Armed Forces Joint Medical Services, Ullensaker, Akershus, Norway
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Oslo, Norway
| | - Einar Borud
- Institute of Military Epidemiology, Norwegian Armed Forces Joint Medical Services, Ullensaker, Akershus, Norway
- Institute of Community Medicine, UiT The Arctic University of Norway Faculty of Health Sciences, Tromso, Troms, Norway
| | - Monica Martinussen
- Regional Centre for Child and Youth Mental Health & Child Welfare, UiT The Arctic University of Norway, Tromso, Norway
- Norwegian Command and Staff College, Norwegian Defence University College, Oslo, Norway
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Mlouki I, Bouanene I, Sioud I, Bchir A, al'Absi M, El Mhamdi S. Impulsivity mediates the impact of early life adversity on high risk behaviors among Tunisian adolescents. Prev Med Rep 2021; 23:101424. [PMID: 34150480 PMCID: PMC8190465 DOI: 10.1016/j.pmedr.2021.101424] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/20/2021] [Accepted: 05/25/2021] [Indexed: 12/05/2022] Open
Abstract
Adverse childhood experience (ACE) has become an alarming phenomenon exposing youth at a great risk of developing mental health issues. Several studies have examined the mechanism by which ACE affects adolescent's engagement in risky behaviors. However, little is known about these associations in the Tunisian/African context. We investigated the role of impulsivity in the link between ACE and health risk behaviors among schooled adolescents in Tunisia. We performed a cross sectional study among 1940 schooled adolescents in the city of Mahdia (Tunisia) from January to February 2020. To measure ACE, we used the validated Arabic version of the World Health Organization ACE questionnaire. The Barratt Impulsivity Scale and the Internet Addiction Test were used as screening tools for impulsivity and internet addiction. A total of 2520 adolescents were recruited. Of those, 1940 returned the questionnaires with an overall response rate of 77%. The majority (97.5%) reported experiencing at least one ACE. Emotional neglect (83.2%) and witnessing community violence (73.5%) were the most reported intra-familial ACEs. Males had higher rates of exposure to social violence than females. The most common risky behavior was internet addiction (50%, 95%CI = [47.9-52.3%]). Our survey revealed that ACEs score predict problematic behaviors through impulsiveness (% mediated = 16.7%). Specifically, we found a major mediating role of impulsivity between the exposure to ACE and the risk of internet addiction (% mediated = 37.5%). Our results indicate the role of impulsivity in translating the risk associated with ACE leading to engagement in high risk behaviors.
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Affiliation(s)
- Imen Mlouki
- Department of Community Medicine, Faculty of Medicine of Monastir, University of Monastir, Tunisia
- Department of Preventive and Community Medicine, University Hospital Tahar Sfar of Mahdia, Tunisia
- Research laboratory “Epidemiology Applied to Maternal and Child Health” 12SP17, Tunisia
| | - Ines Bouanene
- Department of Community Medicine, Faculty of Medicine of Monastir, University of Monastir, Tunisia
- Research laboratory “Epidemiology Applied to Maternal and Child Health” 12SP17, Tunisia
| | - Imen Sioud
- Department of Community Medicine, Faculty of Medicine of Monastir, University of Monastir, Tunisia
| | - Abdallah Bchir
- Department of Community Medicine, Faculty of Medicine of Monastir, University of Monastir, Tunisia
- Research laboratory “Epidemiology Applied to Maternal and Child Health” 12SP17, Tunisia
| | - Mustafa al'Absi
- Department of Family Medicine and Biobehavioral Health, University of Minnesota Medical School, Duluth, MN, USA
| | - Sana El Mhamdi
- Department of Community Medicine, Faculty of Medicine of Monastir, University of Monastir, Tunisia
- Department of Preventive and Community Medicine, University Hospital Tahar Sfar of Mahdia, Tunisia
- Research laboratory “Epidemiology Applied to Maternal and Child Health” 12SP17, Tunisia
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Gardner KJ, Paul E, Selby EA, Klonsky ED, Mars B. Intrapersonal and Interpersonal Functions as Pathways to Future Self-Harm Repetition and Suicide Attempts. Front Psychol 2021; 12:688472. [PMID: 34349705 PMCID: PMC8326376 DOI: 10.3389/fpsyg.2021.688472] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/09/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Research has identified functions of non-suicidal self-harm/self-injury (NSSH) but whether functions change over time, from adolescence to early adulthood, or predict the continuation of the behavior prospectively remains unclear. This study aimed to prospectively explore whether intrapersonal and interpersonal NSSH functions in adolescence predict repetition of self-harm (regardless of suicidal intent) and incident suicide attempts in early adulthood. Methods: Participants were 528 individuals with NSSH at age 16 years from the Avon Longitudinal Study of Parents and Children (ALSPAC), a population-based birth cohort in the UK. Descriptive statistics were used to explore changes in functions over time from age 16 to 21, and logistic regression used to examine associations between NSSH functions and repeat self-harm and suicide attempts at age 21, 24, and 25 years. Findings: The majority of 16-year-olds with NSSH endorsed intrapersonal (e.g., affect regulatory) functions only (73% at 16 years and 64% at 21 years). Just under half of adolescents (42%) and three quarters of 21 years olds reported more than one function simultaneously. A greater number of intrapersonal functions at 16 years independently predicted future repetition of self-harm at ages 21–25 years, over and above interpersonal functions (OR = 1.46, 95% CI 1.06–2.01). Interpersonal functions during adolescence did not predict repeat self-harm or suicide attempts in adulthood. Discussion: Our findings suggest that intrapersonal but not interpersonal NSSH functions are a prospective risk factor for future self-harm and might also predict incident suicide attempts. The results highlight the central role of underlying affective difficulties and motivations in self-harm maintenance.
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Affiliation(s)
| | - Elise Paul
- Research Department of Behavioural Science and Health, Institute of Epidemiology & Health, University College London, London, United Kingdom
| | - Edward A Selby
- Department of Psychology, Rutgers University, Piscataway, NJ, United States
| | - E David Klonsky
- Department of Psychology, University of British Columbia, Vancouver, BC, Canada
| | - Becky Mars
- National Institute for Health Research (NIHR) Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust, Centre for Academic Mental Health, Population Health Sciences, University of Bristol Medical School, Bristol, United Kingdom
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Suh H, Jeong J. Association of Self-Compassion With Suicidal Thoughts and Behaviors and Non-suicidal Self Injury: A Meta-Analysis. Front Psychol 2021; 12:633482. [PMID: 34122224 PMCID: PMC8192964 DOI: 10.3389/fpsyg.2021.633482] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 04/06/2021] [Indexed: 01/01/2023] Open
Abstract
Objectives: Self-compassion functions as a psychological buffer in the face of negative life experiences. Considering that suicidal thoughts and behaviors (STBs) and non-suicidal self-injury (NSSI) are often accompanied by intense negative feelings about the self (e.g., self-loathing, self-isolation), self-compassion may have the potential to alleviate these negative attitudes and feelings toward oneself. This meta-analysis investigated the associations of self-compassion with STBs and NSSI. Methods: A literature search finalized in August 2020 identified 18 eligible studies (13 STB effect sizes and seven NSSI effect sizes), including 8,058 participants. Two studies were longitudinal studies, and the remainder were cross-sectional studies. A random-effects meta-analysis was conducted using CMA 3.0. Subgroup analyses, meta-regression, and publication bias analyses were conducted to probe potential sources of heterogeneity. Results: With regard to STBs, a moderate effect size was found for self-compassion (r = -0.34, k = 13). Positively worded subscales exhibited statistically significant effect sizes: self-kindness (r = -0.21, k = 4), common humanity (r = -0.20, k = 4), and mindfulness (r = -0.15, k = 4). For NSSI, a small effect size was found for self-compassion (r = -0.29, k = 7). There was a large heterogeneity (I 2 = 80.92% for STBs, I 2 = 86.25% for NSSI), and publication bias was minimal. Subgroup analysis results showed that sample characteristic was a moderator, such that a larger effect size was witnessed in clinical patients than sexually/racially marginalized individuals, college students, and healthy-functioning community adolescents. Conclusions: Self-compassion was negatively associated with STBs and NSSI, and the effect size of self-compassion was larger for STBs than NSSI. More evidence is necessary to gauge a clinically significant protective role that self-compassion may play by soliciting results from future longitudinal studies or intervention studies.
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Affiliation(s)
- Hanna Suh
- Psychology and Child & Human Development Academic Group, National Institute of Education, Nanyang Technological University, Singapore, Singapore
| | - Jisun Jeong
- Graduate School of Education, Korea University, Seoul, South Korea
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Leckning B, He VYF, Condon JR, Hirvonen T, Milroy H, Guthridge S. Patterns of child protection service involvement by Aboriginal children associated with a higher risk of self-harm in adolescence: A retrospective population cohort study using linked administrative data. CHILD ABUSE & NEGLECT 2021; 113:104931. [PMID: 33461112 DOI: 10.1016/j.chiabu.2021.104931] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 11/04/2020] [Accepted: 01/03/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND A history of child maltreatment is known to elevate the risk of self-harm in adolescence. However, this link has not been investigated for Aboriginal children who experience a greater burden of both. OBJECTIVE Identify patterns of involvement with child protection services by Aboriginal children associated with a higher risk of self-harm in adolescence. PARTICIPANTS AND SETTING A cohort study was established using linked administrative records of Aboriginal children born in the Northern Territory (NT) of Australia. METHODS Survival analysis techniques were used to determine the risk of self-harm in adolescence associated with different levels and timing of child protection involvement throughout childhood. RESULT The relative risk of self-harm was greatest for children with substantiated maltreatment in both early and middle childhood had nine times higher risk for self-harm (aHR: 9.11, 95% CI: 3.39-24.46,p < 0.001) and six times higher for children who experienced notifications in early childhood and substantiated maltreatment in middle childhood (aHR: 6.72, 95% CI:2.16-20.90, p < 0.001). Other patterns of child protection involvement observed in middle childhood alone also conferred a higher relative risk of self-harm in adolescence. CONCLUSION This study confirms a higher risk of self-harm in adolescence is associated with child maltreatment, especially in middle childhood. Addressing the intergenerational trauma in Aboriginal families is crucial to preventing child maltreatment and informing reforms to child protection responses that can better identify and address the culturally-specific unmet needs of Aboriginal families. This would go some way to fostering the healthy growth and development of Aboriginal children and reduce self-harm risk.
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Affiliation(s)
- Bernard Leckning
- Centre for Child Development and Education, Menzies School of Health Research, Charles Darwin University, Australia.
| | - Vincent Y F He
- Centre for Child Development and Education, Menzies School of Health Research, Charles Darwin University, Australia
| | - John R Condon
- Centre for Child Development and Education, Menzies School of Health Research, Charles Darwin University, Australia
| | - Tanja Hirvonen
- College of Medicine and Public Health, Flinders University, Australia
| | - Helen Milroy
- Faculty of Health and Medical Sciences, University of Western, Australia
| | - Steven Guthridge
- Centre for Child Development and Education, Menzies School of Health Research, Charles Darwin University, Australia
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Evald TA, Møhl B. Before the damage is done: Early childhood hyperactivity difficulties in adolescents with deliberate self-harm - findings from the DALSC cohort. Scand J Child Adolesc Psychiatr Psychol 2021; 8:176-188. [PMID: 33598440 PMCID: PMC7879016 DOI: 10.21307/sjcapp-2020-018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Deliberate self-harm (DSH) is a growing issue among Danish adolescents, and a dramatic increase in the incidence of DSH has been observed since the turn of the millennium. The importance of early childhood factors on later development has been established, but research on the trajectories of DSH is still scarce, and longitudinal studies are much needed. METHOD Participants were 3,291 children and their mothers from The Danish Longitudinal Survey of Children (DALSC), a Danish population-based birth cohort from 1995. Logistic regression and mediation analyses were used to examine significant early childhood determinants of self-harming behavior in adolescence. RESULTS The study found that 17.9% of the children had a history with DSH at the age of 18 years. A significant relationship was found between the likelihood of DSH at the age of 18 years and hyperactivity difficulties assessed through the Strengths and Difficulties Questionnaire (SDQ) at 3 and 7 years of age. Using a mediation model, it is documented that difficulties in peer relationships at the age of 11 years is a partial mediator explaining 19% of the variation. LIMITATIONS i) a vague definition of self-harm in the questionnaires; ii) lack of sample representation as children of lower socio-economic groups have lower participation rates, and only Danish-ethnicity children have been sampled; iii) possibility of omitted variable bias. CONCLUSION The adolescents engaging in DSH are experiencing a more complex range of psychosocial problems than those who do not have experience with DSH. The main finding of the study is that hyperactivity as a risk factor for the development of DSH in adolescence can be identified as early as 3-7 years of age. This relationship between the very early occurring hyperactivity and later DSH, to the best of our knowledge, has not previously been described.
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Affiliation(s)
- Therese A. Evald
- The Finance Committee, City Council of Copenhagen, Copenhagen, Denmark
| | - Bo Møhl
- Faculty of Humanities, Aalborg University, Aalborg, Denmark
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Johannsen BM, Larsen JT, Laursen TM, Ayre K, Howard LM, Meltzer-Brody S, Bech BH, Munk-Olsen T. Self-harm in women with postpartum mental disorders. Psychol Med 2020; 50:1563-1569. [PMID: 31298172 DOI: 10.1017/s0033291719001661] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND Women suffering from first onset postpartum mental disorders (PPMD) have a highly elevated risk of suicide. The current study aimed to: (1) describe the risk of self-harm among women with PPMD and (2) investigate the extent to which self-harm is associated with later suicide. METHODS We conducted a register-based cohort study linking national Danish registers. This identified women with any recorded first inpatient or outpatient contact to a psychiatric facility within 90 days after giving birth to their first child. The main outcome of interest was defined as the first hospital-registered episode of self-harm. Our cohort consisted of 1 202 292 women representing 24 053 543 person-years at risk. RESULTS Among 1554 women with severe first onset PPMD, 64 had a first-ever hospital record of self-harm. Women with PPMD had a hazard ratio (HR) for self-harm of 6.2 (95% CI 4.9-8.0), compared to mothers without mental disorders; but self-harm risk was lower in PPMD women compared to mothers with non-PPMD [HR: 10.1, (95% CI 9.6-10.5)] and childless women with mental disorders [HR: 9.3 (95% CI 8.9-9.7)]. Women with PPMD and records of self-harm had a significantly greater risk for later suicide compared with all other groups of women in the cohort. CONCLUSIONS Women with PPMD had a high risk of self-harm, although lower than risks observed in other psychiatric patients. However, PPMD women who had self-harmed constituted a vulnerable group at significantly increased risk of later suicide.
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Affiliation(s)
- Benedicte Marie Johannsen
- National Center for Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
| | - Janne Tidselbak Larsen
- National Center for Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
- CIRRAU, Centre for Integrated Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
| | - Thomas Munk Laursen
- National Center for Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
- CIRRAU, Centre for Integrated Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
| | - Karyn Ayre
- Section of Women's Mental Health, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Louise M Howard
- Section of Women's Mental Health, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Samantha Meltzer-Brody
- Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, USA
| | - Bodil Hammer Bech
- Department of Public Health, Research Unit of Epidemiology, Aarhus University, Aarhus, Denmark
| | - Trine Munk-Olsen
- National Center for Register-based Research, Aarhus University, Fuglesangs Allé 26, 8210Aarhus, Denmark
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