How much do adverse childhood experiences contribute to adolescent anxiety and depression symptoms? Evidence from the longitudinal study of Australian children.

This study aims to: (i) examine the association between adverse childhood experiences (ACEs) and elevated anxiety and depressive symptoms in adolescents; and (ii) estimate the burden of anxiety and depressive symptoms attributable to ACEs.Data were analyzed from 3089 children followed between Waves 1 (age 4-5 years) and 7 (16-17 years) of the Longitudinal Study of Australian Children. Logistic regression was used to estimate the associations between ACEs and child-reported elevated anxiety and depressive symptoms at age 16-17. Anxiety and depressive symptoms were measured using the Children's Anxiety Scale and Short Mood and Feelings Questionnaire, respectively. The punaf command available in STATA 14 was used to calculate the population attributable fraction (PAF).Before the age of 18 years, 68.8% of the children had experienced two or more ACEs. In the analysis adjusted for confounding factors, including co-occurring ACEs, both history and current exposure to bullying victimisation and parental psychological distress were associated with a statistically significant increased likelihood of elevated anxiety and depressive symptoms at age 16-17. Overall, 47% of anxiety symptoms (95% CI for PAF: 35-56) and 21% of depressive symptoms (95% CI: 12-29) were attributable to a history of bullying victimisation. Similarly, 17% (95% CI: 11-25%) of anxiety and 15% (95% CI: 4-25%) of depressive symptoms at age 16-17 years were attributable to parental psychological distress experienced between the ages of 4-15 years.The findings demonstrate that intervention to reduce ACEs, especially parental psychological distress and bullying victimisation, may reduce the substantial burden of mental disorders in the population.

Redevelopment of mental health first aid guidelines for substance use problems: a Delphi study.

BACKGROUND: Substance use problems have a major impact on the physical and mental health of individuals, families and communities. Early intervention may have a positive effect on recovery and treatment outcomes for those with substance use problems, reducing related risk and harm. Separate mental health first aid guidelines on how a member of the public could assist someone experiencing or developing alcohol use and drug use problems in high income Western countries were developed using Delphi expert consensus in 2009 and 2011, respectively. This study aimed to synthesise and update these two original guidelines to reflect current evidence and best practice. METHODS: The Delphi expert consensus method was used to determine the inclusion of statements in the redeveloped guidelines. A questionnaire was developed using previously endorsed helping statements from the original guidelines on alcohol and drug use problems, as well as relevant content identified in systematic searches of academic and grey literature. Three panels of experts (people with lived experience, support people and professionals) rated statements over three consecutive online survey rounds to determine the importance of their inclusion in the guidelines. Statements endorsed by at least 80% of each panel were included. RESULTS: 103 panellists completed all three survey rounds. They rated 469 statements and endorsed 300 of these for inclusion in the redeveloped guidelines. CONCLUSIONS: This study has developed a broader and more comprehensive set of guidelines for how to support a person experiencing or developing a substance use problem. The redeveloped guidelines provide more detail on knowledge about and recognition of substance use problems, approaching and assisting people who want to change or are not ready to change, harm reduction, community-based supports and professional help, but have less on physical first aid actions. Mental Health First Aid International will use these guidelines in future updates of their training courses.

Comorbidity between major depressive disorder and physical diseases: a comprehensive review of epidemiology, mechanisms and management.

Populations with common physical diseases - such as cardiovascular diseases, cancer and neurodegenerative disorders - experience substantially higher rates of major depressive disorder (MDD) than the general population. On the other hand, people living with MDD have a greater risk for many physical diseases. This high level of comorbidity is associated with worse outcomes, reduced adherence to treatment, increased mortality, and greater health care utilization and costs. Comorbidity can also result in a range of clinical challenges, such as a more complicated therapeutic alliance, issues pertaining to adaptive health behaviors, drug-drug interactions and adverse events induced by medications used for physical and mental disorders. Potential explanations for the high prevalence of the above comorbidity involve shared genetic and biological pathways. These latter include inflammation, the gut microbiome, mitochondrial function and energy metabolism, hypothalamic-pituitary-adrenal axis dysregulation, and brain structure and function. Furthermore, MDD and physical diseases have in common several antecedents related to social factors (e.g., socioeconomic status), lifestyle variables (e.g., physical activity, diet, sleep), and stressful live events (e.g., childhood trauma). Pharmacotherapies and psychotherapies are effective treatments for comorbid MDD, and the introduction of lifestyle interventions as well as collaborative care models and digital technologies provide promising strategies for improving management. This paper aims to provide a detailed overview of the epidemiology of the comorbidity of MDD and specific physical diseases, including prevalence and bidirectional risk; of shared biological pathways potentially implicated in the pathogenesis of MDD and common physical diseases; of socio-environmental factors that serve as both shared risk and protective factors; and of management of MDD and physical diseases, including prevention and treatment. We conclude with future directions and emerging research related to optimal care of people with comorbid MDD and physical diseases.

Disclosure of Mental Health Problems or Suicidality at Work: A Systematic Review.

Many adults experience mental health problems or suicidality. Mental health and suicidality are associated with stigma and discrimination. Little is known about disclosure of mental health or suicidality problems in workplaces and the role of stigma and discrimination in affecting disclosure. To address this gap, we conducted a systematic review following the PRISMA guidelines. Searches for peer-reviewed articles in MedLINE, CINAHL, Embase and PsycINFO identified 26 studies, including sixteen qualitative, seven quantitative and three mixed-methods studies. No studies were excluded based on quality assessment. All studies reported on mental health disclosure; none reported on disclosure of suicidal thoughts or behaviours. The narrative synthesis identified four overarching themes relating to disclosure of mental health problems in workplaces. Themes included beliefs about stigma and discrimination, workplace factors (including supports and accommodation), identity factors (including professional and personal identity, gender and intersectionality) and factors relating to the disclosure process (including timing and recipients), with all influencing disclosure decision making. Significantly, this review found that there is a gap in the existing literature relating to suicidality disclosure in workplaces, with none of the included studies investigating disclosure of suicidal thoughts and behaviours.

Evaluation of the Conversations about Non-Suicidal Self-Injury Mental Health First Aid Course: Effects on Knowledge, Stigmatising Attitudes, Confidence and Helping Behaviour.

BACKGROUND: Non-suicidal self-injury (NSSI) is a common mental health problem, with a 19% lifetime prevalence in Australian adolescents and 12% in adults. Though rates of professional help-seeking for NSSI are low, disclosure to family and friends is more common, providing opportunities for them to encourage professional support. Mental Health First Aid® Australia's Conversations about Non-Suicidal Self-Injury course provides evidence-based training for the general public to support a person engaging in NSSI. METHODS: This uncontrolled trial evaluated the effects of the Conversations about Non-Suicidal Self-Injury course on participants' knowledge, confidence, stigmatising attitudes, and intended and actual helping behaviours. Surveys were administered pre- and post-course, and at a six-month follow-up. A linear mixed-model analysis determined mean change over time, and effect sizes were estimated using Cohen's d. Course satisfaction was assessed using descriptive statistics and summative content analysis of qualitative data. RESULTS: The pre-course survey was completed by 147 Australian participants (77.5% female, mean age 45.8 years), 137 (93.2%) at post-course and 72 (49%) at follow-up. Knowledge, confidence, quality of intended helping behaviours, and quality of actual helping behaviours increased significantly at both time points. Social distance decreased significantly at all time points and stigma decreased significantly at post-course. The course was perceived to be highly acceptable by participants. CONCLUSIONS: There is initial evidence that the Conversations about Non-Suicidal Self-Injury course is effective and acceptable for members of the public who may support a person engaging in NSSI.

Mental health-related knowledge, attitudes and behaviours in a cross-sectional sample of australian university students: a comparison of domestic and international students.

BACKGROUND: There are growing concerns about the mental health of university students in Australia and internationally, with universities, governments and other stakeholders actively developing new policies and practices. Previous research suggests that many students experience poor mental health while at university, and that the risk may be heightened for international students. Mental health-related knowledge, attitudes and behaviours are modifiable determinants of mental health and thus suitable targets for intervention. This study assessed the mental health-related knowledge, stigmatising attitudes, helping behaviours, and self-reported experiences of mental health problems in the student population of a large multi-campus Australian university, and conducted a comparative assessment of international and domestic students. METHODS: Participants were 883 international and 2,852 domestic students (overall response rate 7.1%) who completed an anonymous voluntary online survey that was sent to all enrolled students in July 2019 (n = ~ 52,341). Various measures of mental health-related knowledge, attitudes and helping behaviours were assessed. A comparative analysis of international and domestic students was conducted, including adjustment for age and sex. RESULTS: Overall, there was evidence of improvements in mental health-related knowledge, attitudes and behaviours relative to previous studies, including higher depression recognition, intentions to seek help, and reported help-seeking behaviour. Comparative analysis indicated that international students scored predominantly lower on a range of indicators (e.g., depression recognition, awareness of evidence-based forms of help); however, differences were narrower difference between the two groups compared to what has been reported previously. Finally, some indicators were more favourable among international students, such as higher help-seeking intentions, and lower prevalence of self-reported mental health problems compared to domestic students. CONCLUSION: Though there were some important differences between domestic and international students in this study, differences were narrower than observed in previous studies. Study findings are informing the on-going implementation and refinement of this university's student mental health strategy, and may be used to inform evolving policy and practice in the university sector.

Cultural adaptation of the mental health first aid guidelines for depression in Brazil: a Delphi expert consensus study.

BACKGROUND: Depression is a significant contributor to disability in Brazil, with most Brazilians affected by depression receiving no treatment. As the community, including family and friends, plays a crucial role in providing support for someone with depression, it is important that evidence-based resources are available to support people who wish to help. The aim of this study was to culturally adapt the English-language mental health first aid guidelines for assisting a person with depression for the Brazilian culture. METHODS: A Delphi expert consensus study was conducted, with two expert panels; health professionals (n = 29) and people with lived experience of depression (n = 28). One hundred and seventy-four statements from the English-language guidelines were translated into Brazilian Portuguese and administered as a survey. Participants were asked to rate statements based on how appropriate those statements were for the Brazilian culture and to suggest new statements if appropriate. RESULTS: Data were collected over two survey rounds. Consensus was achieved on 143 statements. A total of 133 statements were adopted from the English-language guidelines, whereas 10 new endorsed statements were generated from suggestions of the two expert panels. CONCLUSIONS: There were similarities between the English-language and Brazilian guidelines, mainly related to family involvement and the value of empathy. More research on dissemination and incorporation of the guidelines into the Mental Health First Aid (MHFA) training course for Brazil is required.

Development of the Mental Health Support Scale: A New Measure of Mental Health First Aid Behaviors.

Mental health first aid (MHFA) courses teach community members the knowledge and skills needed to recognize and respond to mental health problems until professional help is received or the crisis resolves. This study aimed to develop a reliable and valid measure of MHFA behaviors. A pool of actions that were recommended and not recommended were selected from MHFA guidelines and developed into two scales measuring either intended or provided support. Items were tested with a sample of 697 adults. Item response theory guided the selection of final items. The Mental Health Support Scale (MHSS) Intended version has 23 items across two subscales and the MHSS-Provided has 12 items across two subscales. These scales demonstrated convergent validity, discrimination between respondents with and without MHFA expertise, and acceptable measurement precision across a range of skill levels. Overall, findings suggest that the MHSS is a valid and useful measure of MHFA behaviors.

Intentions and confidence as predictors of mental health first aid: Findings from a longitudinal study.

BACKGROUND: Mental health first aid (MHFA) training can improve confidence and intention to help a person with a mental health problem, but there is limited research exploring whether this results in better support provided. This study aims to evaluate the relationship between a person's confidence and intention to help with the quality of support provided. METHODS: Australian public servants who had received MHFA training or Physical First Aid training (n = 152) completed questionnaires exploring attitudes and skills for assisting someone at work with a mental health problem. Data on confidence and intention to help was used to predict quality of support provided at 1 and 2-year follow-up. Data were analysed using linear and logistic regression. RESULTS: Intention to help predicted the quality of support for assisting someone at work at follow-up (rs=0.15-0.20, p < .0.05), while confidence in providing help only predicted quality of support 1-year later (rs = 0.42, p = .032). These relationships were significantly attenuated after controlling for personal stigma, desire for social distance, gender, age, language spoken at home, level of education and whether participant managed staff. Furthermore, there were some large associations between intentions to perform specific first aid actions and carrying out the same action at follow-up such as for encouraging professional help at 2-year follow-up (OR=8.20, p < 0.05). CONCLUSION: Findings indicate that intended actions to support a person with a mental health problem can predict the quality of support provided up to 2 years later. Future research should clarify whether this support benefits the mental health of recipients.

Conceptualisations of mental illness and stigma in Congolese, Arabic-speaking and Mandarin-speaking communities: a qualitative study.

BACKGROUND: Australia is an ethnically diverse nation. Research has demonstrated an elevated risk of developing a mental illness in culturally and linguistically diverse (CaLD) communities yet uptake of mental health services is low. To improve mental health treatment seeking and outcomes for CaLD individuals in Australia there is an urgent need to deeply understand barriers to treatment such as stigma. Using an exploratory qualitative approach, the aim of the study was to explore how CaLD communities' conceptualise and interpret mental illness and associated beliefs and experiences of stigma. METHODS: The study focused on three key CaLD groups: the Congolese, Arabic-speaking and Mandarin-speaking communities residing in Sydney, Australia. A series of eight focus group discussions (n = 51) and 26 key informant interviews were undertaken online using Zoom during the period of November to December 2021. Focus group discussions and key informant interviews were digitally recorded, transcribed, and analysed using NVivo software. RESULTS: Three major themes were identified. The first theme related to mental illness terminology used in the three communities. Despite variation in the terms used to refer to 'mental illness' all three communities generally distinguished between 'mental illness', a more severe condition and 'mental health problems', considered to arise due to stressors. The second theme centred on beliefs about mental illness; with all three communities identifying migration-related stressors as contributing to mental illness. Culturally related beliefs were noted for the Congolese participants with the perception of a link between mental illness and supernatural factors, whereas Mandarin-speaking participants highlighted lack of inter and intrapersonal harmony and failure to adhere to values such as filial piety as contributing to mental illness. The final theme related to mental illness related stigma and the various ways it manifested in the three communities including presence of collectivist public stigma felt across all three groups and affiliate (family) stigma reported by the Arabic and Mandarin-speaking groups. CONCLUSIONS: We found rich diversity in how these communities view and respond to mental illness. Our findings provide some possible insights on both service provision and the mental health system with a view to building effective engagement and pathways to care.

Cultural adaptation of the guidelines for offering mental health first aid to a person after a potentially traumatic event: a delphi expert consensus study in Brazil.

BACKGROUND: Traumatic events increase the risk of mental disorders. In a country with relatively under-developed mental health support systems, services to assist people who have experienced potentially traumatic events may be unavailable. In such situations, people in the community become key sources of support. However, they do not always have the knowledge and skills to offer effective help. This study reports on the cultural adaptation for Brazil of the English-language mental health first aid guidelines for helping someone who has experienced a potentially traumatic event. METHODS: A Delphi expert consensus study with two expert panels, one comprising health professionals with experience in the treatment of trauma (n = 33) and the other comprising people with lived experience, (n = 29) was conducted. A questionnaire containing 131 statements from the English language guidelines was translated into Brazilian Portuguese. Participants were asked to rate the importance of actions to be taken to help a person who has experienced a potentially traumatic event and to suggest new items where appropriate. RESULTS: Data were collected over two survey rounds. A total of 149 items were included in the final guidelines (110 items from the English-language guidelines and 39 new items created from expert panel comments, in the second round). Immediate action items were endorsed by both panels, while items related to encouraging victims were rejected by the professional panel. The suggested statements mostly related to providing psychological support and attending to the person's subjective experience rather than providing material or structural support. CONCLUSION: While there were many similarities with the English-language guidelines for high-income countries, the guidelines also incorporate actions of importance for Brazil, including the emphasis on the first aider's management of the person's subjective experiences. These guidelines may inform Mental Health First Aid training for Brazil and may also be used as standalone resources.

Cultural adaptation of the mental health first aid guidelines for assisting a person at risk of suicide in Brazil: a Delphi expert consensus study.

BACKGROUND: Suicide is a major public health concern in Brazil, with nearly 115,000 Brazilians dying by suicide in 2010-2019. As support for individuals at risk of suicide may come from the community, particularly family and friends, it is fundamental that evidence-based programs or resources to improve such support are in place when needed. This study aimed to culturally adapt the mental health first aid guidelines for assisting a person at risk of suicide used in English-speaking countries for Brazil. METHODS: A Delphi expert consensus study was conducted among a diverse range of Brazilian health professionals and individuals with lived experience of suicide (n = 60). A total of 161 items from the mental health first aid questionnaire used in English-speaking countries were translated and used in the Brazilian questionnaire. Participants were asked to rate the appropriateness of those items to the Brazilian culture and to recommend any new items when appropriate. RESULTS: Data were collected over two survey rounds. Consensus was achieved on 145 items. While 123 out of 161 items were adopted from the English guidelines, 22 new endorsed items were created from the expert panel comments. CONCLUSIONS: Even though there were similarities among the Brazilian and English-language guidelines, the adapted guidelines incorporated actions that were specific to the Brazilian culture, such as new items emphasising the role of family and friends. Further research is warranted on dissemination and uptake of the guidelines in Brazil as well as research into incorporation of the guidelines into Mental Health First Aid (MHFA) training for Brazil.

Redevelopment of mental health first aid guidelines for supporting someone experiencing a panic attack: a Delphi study.

BACKGROUND: Panic attacks and panic disorder can have a major impact on the mental health and wellbeing of those who experience them. People with recurrent panic attacks have increased odds of developing a mental disorder and of worsening the course of existing mental disorders. Early intervention efforts at the time that a panic attack occurs might reduce or prevent some of these associated negative outcomes. Expert consensus guidelines for high income Western countries on how to provide mental health first aid for panic attacks were published in 2009. The present study aims to redevelop these guidelines to ensure content reflects current evidence and best practice. METHODS: The Delphi consensus method was used to determine which helping strategies should be included in the redeveloped guidelines. A survey with items on how to assist someone who is having a panic attack was developed using the 2009 guidelines and a systematic search of grey and academic literature. Panellists with lived experience and professional experience rated these items to determine which helping statements should be included in the guidelines. RESULTS: Thirty panellists completed all three surveys. Panellists rated 158 statements, with 83 statements meeting the criteria for inclusion in the redeveloped guidelines. The endorsed statements covered: what the first aider should know about panic attacks, what they should do if they think someone is having a panic attack, what they should do if they are uncertain whether the person is having a panic attack, what they should say and do if they know the person is having a panic attack and what they should do when the panic attack has ended. CONCLUSION: This study has resulted in a more comprehensive set of guidelines than the original version, with the endorsement of 83 helping actions, compared to 27 previously. The redeveloped guidelines provide greater detail on recognising the signs of a panic attack, providing initial assistance, communicating with someone experiencing a panic attack and supporting them to seek appropriate professional help if it is needed. The guidelines will be used in future updates of Mental Health First Aid training courses.

Cultural adaptation of the mental health first aid guidelines for Brazilians with problem drinking: a Delphi expert consensus study.

BACKGROUND: Harmful use of alcohol is highly prevalent around the world and results in a large disease burden. Most people who meet the criteria for an alcohol use disorder do not receive treatment. Those in a person's social network can be useful in recognizing a problem and encouraging the person to seek treatment. However, many people lack the knowledge and skills to do this effectively. This study reports on the cultural adaptation for Brazil of the 2009 English-language mental health first aid guidelines for helping someone with problem drinking. METHODS: A Delphi expert consensus study with two expert panels, one comprising health professionals with experience in the treatment of problem drinking and the other comprising people with lived experience was conducted. Participants rated the importance of actions to be taken to help a person with problem drinking. RESULTS: Over two rounds, 60 participants (30 professionals and 30 people with lived experience) rated 197 items. A total of 166 items were included in the final guidelines. CONCLUSIONS: While there were many similarities with the English-language guidelines for high-income countries, the guidelines also incorporate actions of importance for Brazil, including compulsory treatment and different approaches to dealing with people with problem drinking. Further research is necessary to assess their impact.

Evaluation of the Conversations About Gambling Mental Health First Aid course: effects on knowledge, stigmatising attitudes, confidence and helping behaviour.

BACKGROUND: The effects of problem gambling are wide-ranging, affecting many aspects of health and negatively impacting the person who gambles, their family and friends, and their community. People experiencing problem gambling have low rates of help-seeking and perceive many barriers to treatment, although evidence suggests that encouragement and support from friends and family can increase rates of help-seeking. Mental Health First Aid Australia's Conversations About Gambling course aims to teach members of the public evidence-based strategies for recognising and responding to signs of problem gambling in a person they know. METHODS: This research evaluated the effects of the Conversations About Gambling course on participants' knowledge, confidence, stigmatising attitudes, intended helping behaviour and actual helping behaviour towards a person experiencing problem gambling. Participants from Australia completed surveys before the course, immediately after the course and six months later. Changes over time (pre-course to post-course, and pre-course to 6-month follow-up) were assessed with linear mixed models. Descriptive statistics and content analyses of open-ended questions pertaining to participants' satisfaction with the course were also produced. RESULTS: Between 2018 and 2020, 166 participants were recruited into this study. At 6-month follow-up 87 participants (52.4%) provided data. Participants' knowledge about gambling and gambling problems, confidence, desire for social distance and intentions to help a person experiencing problem gambling significantly improved from pre-course to post-course, and from pre-course to 6-month follow-up. The quality of some actions taken to support a person they knew who was experiencing problem gambling also improved from pre-course to 6-month follow-up, in line with the teachings of the course. Participants perceived the course to be highly acceptable. CONCLUSIONS: The results of this initial evaluation of Mental Health First Aid Australia's Conversations About Gambling course suggest that it is an effective and acceptable educational intervention for those who wish to support a person experiencing problem gambling.

Pilot trial of a media intervention with journalism students on news reporting of mental illness in the context of violence and crime.

ISSUE ADDRESSED: News reports linking mental illness to violent crime are among the most stigmatising portrayals. These portrayals can perpetuate stereotypes of dangerousness, negatively influencing public attitudes and having a harmful impact on people with lived experience of mental illness. With the aim of improving the quality of news portrayals and mitigating harm, best-practice guidelines for media reporting on mental illness, violence and crime have been developed. To increase understanding of the guidelines' content, a 1-hour workshop based on the main principles was developed for journalism students. METHODS: In this study, the workshop was piloted with a pre and 3-week follow-up evaluation with a cohort of journalism students (n = 29). RESULTS: Three weeks after the workshop, there were significant improvements in attitudes towards severe mental illness, knowledge of best-practice reporting, intentions and confidence to report consistently with the best-practice guidelines and performance on an editing task designed to assess adherence to the guidelines. Belief in dangerousness/unpredictability reduced markedly, demonstrating that the workshop effectively addressed misinformation about people with severe mental illness being a risk to the public. CONCLUSIONS: This pilot trial provides promising initial results and provides a basis for wider implementation and evaluation of media training on this topic. SO WHAT: Improved understanding of best-practice media guidelines, as generated through this workshop, has potential to reduce stigmatising news reporting on people with mental illness, and consequently reduce public stigma.

The role of social technologies in community care - A realist evaluation of a Danish web-based citizen-to-citizen platform adopted in community care to promote belonging and mental health.

As social technologies increase in popularity, there is a growing interest in incorporating them into mental health interventions. Research shows that the use of social technologies may support belonging and mental health. Findings, however, are contradictory and highlight the need to clarify the processes and mechanisms by which this technology may have positive effects. This study conducted a realist evaluation of a web-based citizen-to-citizen platform adopted within community care in a Danish Municipality. It focused on how, for whom and under what circumstances the web-based platform worked to promote belonging and mental health. The evaluation was structured in subsequent phases of development, testing, and refinement of programme theories. A purposeful sampling frame was developed based on the programme theories, and 27 interviews were conducted. With variations, the platform was found to support its users in meeting their social needs by (a) expanding their access to social networks; (b) allowing them to overcome barriers related to reaching out to new people in real life and (c) providing them with an improved starting point for identification of a relational match. Whether this resulted in improved belongingness and mental health was strongly affected by individual and relational circumstances. Findings suggest that web-based platforms that aim to enable citizens to locate friends and activity partners can serve as helpful tools in interventions striving to promote mental health in the community, as they may support people to fulfil a need for belongingness. However, the impact of such tools is highly dependent on the individual's abilities to use the initiatives to form relationships of sufficient quality to accommodate these needs. People with previous relational difficulties, and who have struggled to achieve feelings of belonging and citizens with limited digital literacy, may need support to realise the social opportunities provided by these technologies.

The association between adverse childhood experiences and common mental disorders and suicidality: an umbrella review of systematic reviews and meta-analyses.

Adverse childhood experiences (ACEs) are related to increased risk of common mental disorders. This umbrella review of systematic reviews and meta-analyses aimed to identify the key ACEs that are consistently associated with increased risk of mental disorders and suicidality. We searched PsycINFO, PubMed, and Google Scholar for systematic reviews and meta-analyses on the association between ACEs and common mental disorders or suicidality published from January 1, 2009 until July 11, 2019. The methodological quality of included reviews was evaluated using the AMSTAR2 checklist. The effect sizes reported in each meta-analysis were combined using a random-effects model. Meta-regressions were conducted to investigate whether associations vary by gender or age of exposure to ACEs. This review is registered with PROSPERO (CRD42019146431). We included 68 reviews with moderate (55%), low (28%) or critically low (17%) methodological quality. The median number of included studies in these reviews was 14 (2-277). Across identified reviews, 24 ACEs were associated with increased risk of common mental disorders or suicidality. ACEs were associated with a two-fold higher odds of anxiety disorders (pooled odds ratios (ORs): 1.94; 95% CI 1.82, 2.22), internalizing disorders (OR 1.76; 1.59, 1.87), depression (OR 2.01; 1.86, 2.32) and suicidality (OR 2.33; 2.11, 2.56). These associations did not significantly (P > 0.05) vary by gender or the age of exposure. ACEs are consistently associated with increased risk of common mental disorders and suicidality. Well-designed cohort studies to track the impact of ACEs, and trials of interventions to prevent them or reduce their impact should be global research priorities.