Wietse A Tol

University of Copenhagen · Department of Public Health

Background Researchers focused on mental health of conflict-affected children are increasingly interested in the concept of resilience. Knowledge on resilience may assist in developing interventions aimed at improving positive outcomes or reducing negative outcomes, termed promotive or protective interventions.Methods We performed a systematic revi...

Background: Armed conflicts are associated with a wide range of impacts on the mental health of children and adolescents. We evaluated the effectiveness of a school-based intervention aimed at reducing symptoms of posttraumatic stress disorder, depression, and anxiety (treatment aim); and improving a sense of hope and functioning (preventive aim)....

Background Population-based epidemiological research has established that refugees in low- and middle-income countries (LMIC) are at increased risk for a range of mental, neurological and substance use (MNS) problems. Improved knowledge of rates for MNS problems that are treated in refugee camp primary care settings is needed to identify service ga...

Wietse Tol and colleagues discuss some of the key challenges for implementation of new WHO guidelines for stress-related mental health disorders in low- and middle-income countries. Please see later in the article for the Editors' Summary

Background: Innovative solutions are required to provide mental health support at scale in low-resource humanitarian contexts. We aimed to assess the effectiveness of a facilitator-guided, group-based, self-help intervention (Self-Help Plus) to reduce psychological distress in female refugees. Methods: We did a cluster randomised trial in rural...

Background There is a growing need for mental health and psychosocial support (MHPSS) interventions that can feasibly be provided to larger groups of people, particularly in humanitarian settings. However, scaling up mental health interventions is notoriously difficult. There are therefore growing calls for integrating mental health outside traditi...

Background Every year, millions of people are affected by humanitarian crises. With a growing population of people affected, the need for coordination and integration of services aiming to improve the effectiveness of mental health and psychosocial support also grows. In this study, we examine how psychological interventions in humanitarian setting...

Evidence on the effectiveness and implementation of mental health and psychosocial support (MHPSS) interventions for men in humanitarian settings is limited. Moreover, engagement and retention of men in such interventions has been challenging. Adaptations may therefore be required to improve the appropriateness and acceptability of these interventi...

Introduction Promoting mental health, preventing and treating mental disorders are critically important in public health, and many randomised controlled trials (RCTs) evaluate intervention strategies for these objectives. However, distinguishing promotion from prevention and from treatment RCTs is challenging. A tool to place studies along the prom...

Background The use of feedback to address gaps and reinforce skills is a key component of successful competency-based mental health and psychosocial support intervention training approaches. Competency-based feedback during training and supervision for personnel delivering psychological interventions is vital for safe and effective care. Aims For...

Plain language summary Do psychological and social interventions promote improved mental health in people living in low‐ and middle‐income countries affected by humanitarian crises? Key message – We did not find enough evidence in favour of interventions for promoting positive aspects of mental health in humanitarian settings. Larger, well‐conducte...

Armed conflict and forced displacement can significantly strain nurturing family environments, which are essential for child well-being. Yet, limited evidence exists on the effectiveness of family-systemic interventions in these contexts. We conducted a two-arm, single-masked, feasibility Randomised Controlled Trial (fRCT) of a whole-family interve...

Background Forcibly displaced populations are highly vulnerable to psychosocial distress and mental disorders, including alcohol misuse. In an ongoing trial that seeks to develop a transdiagnostic intervention addressing psychological distress and alcohol use disorders among conflict-affected populations, we will carry out a cost-effectiveness eval...

Research on mental health and psychosocial support (MHPSS) interventions within refugee and migrant communities has increasingly focused on evaluating implementation, including identifying strategies to promote retention in services. This study examines the relationship between participant characteristics, study setting, and reasons for interventio...

There is increasing guidance promoting the provision of mental health and psychosocial support programs to both migrant and host community members in humanitarian settings. However, there is a lack of information on the respective experiences and benefits for migrant and host community members who are participating in mental health and psychosocial...

As evidence supporting the effectiveness of mental health and psychosocial interventions grows, more research is needed to understand optimal strategies for improving their implementation in diverse contexts. We conducted a qualitative process evaluation of a multicomponent psychosocial intervention intended to promote well-being among refugee, mig...

In conflict-affected settings, prevalence of alcohol use disorders (AUDs) can be high. However, limited practical information exists on AUD management in low-income settings. Using a theory of change (ToC) approach, we aimed to identify pathways influencing the implementation and maintenance of a new transdiagnostic psychological intervention (“CHA...

Aims Depression and anxiety are the leading contributors to the global burden of disease among young people, accounting for over a third (34.8%) of years lived with disability. Yet there is limited evidence for interventions that prevent adolescent depression and anxiety in low- and middle-income countries (LMICs), where 90% of adolescents live. Th...

Introduction Evidence-based and scalable prevention and promotion focused mental health and psychosocial support interventions are needed for conflict-affected populations in humanitarian settings. This study retrospectively assessed whether participation in Self Help Plus (SH+) versus enhanced usual care (EUC) resulted in reduced incidence of prob...

Question Refugees and asylum seekers are at high risk of mental disorders due to various stressors before, during and after forceful displacement. The WHO Self-Help Plus (SH+) intervention was developed to manage psychological distress and a broad range of mental health symptoms in vulnerable populations. This study aimed to examine the effects and...

Community-based psychosocial interventions are key elements of mental health and psychosocial support; yet evidence regarding their effectiveness and implementation in humanitarian settings is limited. This study aimed to assess the appropriateness, acceptability, feasibility and safety of conducting a cluster randomized trial evaluating two versio...

Aim: to assess the efficacy of psychosocial interventions delivered through task-sharing approaches for preventing perinatal common mental disorders among women in low- and middle-income countries. Methods: We conducted a systematic review of randomized controlled trials following a prespecified protocol registered in the Open Science Framework...

We describe an effort to develop a consensus-based research agenda for mental health and psychosocial support (MHPSS) interventions in humanitarian settings for 2021-30. By engaging a broad group of stakeholders, we generated research questions through a qualitative study (in Indonesia, Lebanon, and Uganda; n=101), consultations led by humanitarian...

Although partner alcohol use and acceptance of intimate partner violence against women (IPVAW) are critical determinants of IPVAW, little is known about their interaction. We explored how partner alcohol use and attitudes toward IPVAW act independently and jointly at the individual and community levels to influence women's reports of experiencing I...

Issues: Despite the large number of effective psychological interventions for alcohol use disorders (AUD), there is still a lack of clarity concerning the strategies that make these interventions effective. Approach: The overall goal of this review was to identify, examine and synthesise the information about common strategies from evidence-base...

There is considerable variation in the presentation of mental health problems across cultural contexts. Most screening and assessment tools do not capture local idioms and culturally specific presentations of distress, thus introducing measurement error and overlooking meaningful variation in mental health. Before applying screening and assessment...

Despite considerable stigmatisation of widows in Nepal, little is known about factors affecting their ability to function in society. Using mixed methods, we studied psychosocial factors associated with impaired functioning among Nepali widows. For the qualitative analysis, we analysed 3 focus groups, 25 in-depth interviews, and 12 key-informant in...

We explore multi-sectoral integration as a model for scaling up evidence-based mental health and psychosocial support interventions in humanitarian settings. We introduce Self Help Plus 360, designed to support humanitarian partners across different sectors to integrate a psychosocial intervention into their programming and more holistically addres...

There is increasing evidence supporting the effectiveness of scalable mental health and psychosocial support (MHPSS) interventions delivered by non-specialists for improving wellbeing among migrant populations in humanitarian settings. Balancing fidelity in the implementation of evidence-based MHPSS interventions with their fit to the needs and pre...

Aims Refugees typically spend years in a state of protracted displacement prior to permanent resettlement. Little is known about how various prior displacement contexts influence long-term mental health in resettled refugees. In this study, we aimed to determine whether having lived in refugee camps v. community settings prior to resettlement impac...

Background Community- and strengths-based psychosocial interventions are central to mental health and psychosocial support guidelines, but rigorous evidence regarding the effectiveness of these interventions is limited. The complexity and variability that is inherent to many community-based psychosocial interventions requires innovative strategies...

Background This study examines mental, neurological, and substance use (MNS) service usage within refugee camp primary health care facilities in low- and middle-income countries (LMICs) by analyzing surveillance data from the United Nations High Commissioner for Refugees Health Information System (HIS). Such information is crucial for efforts to st...

Objectives: This is a protocol for a Cochrane Review (intervention). The objectives are as follows:. To assess the efficacy of psychosocial interventions aimed at promoting mental health versus control conditions (no intervention, intervention as usual, or waiting list) in people living in LMICs affected by humanitarian crises. Copyright © 2022 The...

Background Randomised controlled trials (RCTs) have been increasingly used to test the effectiveness of mental health and psychosocial (MHPSS) interventions for populations affected by humanitarian crises. Process evaluations are often integrated within RCTs of psychological interventions to investigate the implementation of the intervention, the i...

The current Russian war against Ukraine is of global concern. It builds on the annexation of Crimea in 2014 and subsequently the war in the Donbas region of Ukraine, and has become a large-scale Russian invasion of Ukraine from three directions, Crimea in the south, Russia in the east, and Belarus in the north. Despite the geopolitical background t...

Introduction: Acceptance and commitment therapy (ACT) has a rapidly developing evidence base, with few studies in the developing world or humanitarian context. A recent trial of a guided self-help intervention derived from ACT reported significant positive findings, but the extent to which the central principles of this intervention were maintained...

Qualitative research is increasingly being integrated within the development and evaluation phases of trials of complex health interventions. Qualitative research can complement effectiveness data and provide insights around how context and implementation impact the results of the trial and to what extent interventions fit implementation contexts a...

Background School-based violence prevention interventions offer enormous potential to reduce children’s experience of violence perpetrated by teachers, but few have been rigorously evaluated globally and, to the best of our knowledge, none in humanitarian settings. We tested whether the EmpaTeach intervention could reduce physical violence from tea...

Background There is an urgent need for evidence-based, scalable, psychological interventions to improve the mental health of adolescents affected by adversity in low-resource settings. Early Adolescents Skills for Emotions (EASE) was developed by the WHO as a brief, transdiagnostic, group intervention for early adolescents exhibiting internalising...

Background Populations affected by humanitarian emergencies are vulnerable to substance (alcohol and other drug) use disorders, yet treatment and prevention services are scarce. Delivering substance use disorder treatment services in humanitarian settings is hampered by limited guidance around the preparation, implementation, and evaluation of subs...

There is a paucity of evidence regarding interventions that can improve the mental health of adversity-affected young adolescents living in low-resource settings. We evaluated the feasibility, acceptability, relevance, and safety of the World Health Organization's Early Adolescent Skills for Emotions (EASE) intervention among Burundian refugee adol...

Background Refugees and asylum seekers face various stressors due to displacement and are especially vulnerable to common mental disorders. To effectively manage psychological distress in this population, innovative interventions are required. The World Health Organization (WHO) Self-Help Plus (SH+) intervention has shown promising outcomes in redu...

Introduction The complex relationship between intimate partner violence and psychological distress warrants an integrated intervention approach. In this study we examined the relevance, acceptability, and feasibility of evaluating a multi-sectoral integrated violence- and mental health-focused intervention (Nguvu). Methods We enrolled 311 Congoles...

Introduction Refugees and asylum seekers are vulnerable to common mental disorders, including post-traumatic stress disorder (PTSD). Using a network meta-analysis (NMA) approach, the present systematic review compared and ranked psychosocial interventions for the treatment of PTSD in adult refugees and asylum seekers. Methods Randomised studies of...

Background Reports about child witchcraft are not uncommon in sub-Saharan Africa. In this study we approach child witchcraft as an idiom of distress. In an environment that may prohibit children from openly expressing distress, the shared imagery of witchcraft can provide a cultural idiom to communicate about psychosocial suffering. We used an ecol...

Problem Management+ (PM+) is a transdiagnostic intervention and addresses symptoms across multiple common mental disorders. It does not yet include strategies to reduce alcohol misuse which is a considerable problem among conflict-affected men, and part of the co-morbidity spectrum. In this commentary, we describe the need to address symptoms of co...

Background: There is an urgent need for evidence-based, scalable, psychological interventions to improve the mental health of adolescents affected by adversity in low-resource settings. Early Adolescents Skills for Emotions (EASE) was developed by the WHO as a brief, transdiagnostic, group intervention for early adolescents exhibiting internalising...

Objectives: This is a protocol for a Cochrane Review (intervention). The objectives are as follows:. To assess the effectiveness of delivery by primary workers of interventions for promotion of mental health and for prevention of mental disorders or symptoms of mental illness in LMICs To examine the impact of intervention delivery by primary worker...

Background Men living in low- and middle-income countries are unlikely to seek mental health care, where poor healthcare infrastructure, differences in illness conceptualization, and stigma can impact treatment seeking. Vulnerable groups, such as former political prisoners, are more likely than others to experience potentially traumatic events that...

Aims When the Interagency Standing Committee (IASC) adopted the composite term mental health and psychosocial support (MHPSS) and published its guidelines for MHPSS in emergency settings in 2007, it aimed to build consensus and strengthen coordination among relevant humanitarian actors. The term MHPSS offered an inclusive tent by welcoming the diff...

Background: While evidence is growing for the efficacy of trauma-focused mental health interventions in low- and middle-income countries, concerns have been raised about whether these types of interventions can be effectively delivered in contexts with ongoing conflict and violence. Cognitive Processing Therapy (CPT) has been shown to be effective...

The experience of grief varies across different cultures and contexts. Women in Nepal who lose their husbands confront discrimination, social isolation, and abuse that influence their experience of grief. Through eight focus group discussions with Nepali widows, we elicited socially sanctioned grief reactions and local idioms used to describe commo...

Longitudinal studies on children's and adolescents' psychological reactions to conflict-related traumatic events in low- and middle-income countries are scarce. The present study aimed to analyze children's and adolescents' responses to conflict-related potentially traumatic events (PTEs) and the impact of the number of different types of PTEs on p...

Major knowledge gaps remain concerning the most effective ways to address mental health and psychosocial needs of populations affected by humanitarian crises. The Research for Health in Humanitarian Crisis (R2HC) program aims to strengthen humanitarian health practice and policy through research. As a significant portion of R2HC’s research has focu...

Aims: Observational studies have shown a relationship between maternal mental health (MMH) and child development, but few studies have evaluated whether MMH interventions improve child-related outcomes, particularly in low- and middle-income countries. The objective of this review is to synthesise findings on the effectiveness of MMH interventions...

Background: People living in 'humanitarian settings' in low- and middle-income countries (LMICs) are exposed to a constellation of physical and psychological stressors that make them vulnerable to developing mental disorders. A range of psychological and social interventions have been implemented with the aim to prevent the onset of mental disorde...

This editorial paper accompanies a special series in the journal Global Mental Health focused on the topic of interpersonal violence and mental health. This series included 24 papers reporting on data from 31 countries, published between 2017 and 2019. This accompanying paper provides a short summary of findings in the special series and reflects o...

Background Alcohol use is a consistent correlate of intimate partner violence (IPV) in low-income and middle-income countries (LMICs). However, the magnitude of this association differs across studies, which may be due to contextual and methodological factors. This study aims to estimate and explore sources of heterogeneity in the association betwe...

Background Men are less likely to seek care for mental health problems globally. This finding is more pronounced in low- and middle-income countries, where poor healthcare infrastructure, differences in illness conceptualization, and stigma impact treatment seeking. To improve the likelihood of successful engagement of men in psychotherapy, it is n...

Background Men living in low- and middle-income countries are unlikely to seek mental health care, where poor healthcare infrastructure, differences in illness conceptualization, and stigma can impact treatment seeking. Vulnerable groups, such as former political prisoners, are more likely than others to experience potentially traumatic events that...

Background Men living in low- and middle-income countries are unlikely to seek mental health care, where poor healthcare infrastructure, differences in illness conceptualization, and stigma can impact treatment seeking. Vulnerable groups, such as former political prisoners, are more likely than others to experience potentially traumatic events that...

This longitudinal study indicates that exposure to the traumas of mass conflict and subsequent depressive symptoms play an important role in pathways leading to functional impairment in the postconflict period among women of child-rearing age. Our study, conducted in Timor-Leste, involved an analytic sample of 1292 women recruited at antenatal clin...

Background: Mental health conditions are leading causes of disability worldwide. Psychosocial interventions for these conditions might have a key role in their treatment, although applicability of findings to poor-resource settings might be a challenge. We aimed to evaluate the strength and credibility of evidence generated in low-income and middl...

Background: Research on psychosocial interventions has been focused on the effectiveness of psychosocial interventions on mental health outcomes, without exploring how interventions achieve beneficial effects. Identifying the potential pathways through which interventions work would potentially allow further strengthening of interventions by empha...

Background: We aim to test the effectiveness of the EmpaTeach intervention to prevent physical violence from teachers to students in Nyarugusu Refugee Camp, Tanzania. EmpaTeach is a 10-week, 14-session, classroom management and cognitive-behavioural therapy-based intervention for groups of teachers for delivery by lay personnel in resource-constra...

Background Given the range and reach of psychosocial support (PSS) interventions in humanitarian settings, within the continuum of mental health and psychosocial support services, evaluation of their impact is critical. Understanding stakeholders' perspectives on which PSS interventions of unknown effectiveness warrant rigorous evaluation is essent...