The Covid-19 HEalth caRe wOrkErS (HEROES) Study (HEROES)
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ClinicalTrials.gov Identifier: NCT04352634 |
Recruitment Status :
Recruiting
First Posted : April 20, 2020
Last Update Posted : April 1, 2021
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Since December 2019 the world has been shaken with an enormous global threat: the Covid-19 pandemic. This new kind of coronavirus is generating an unprecedented impact both on the general population and on the healthcare systems in most countries. Health services are trying to expand their capacity to respond to the pandemic, taking actions such as increasing the number of beds; acquiring necessary equipment to provide intensive therapy (ventilators), and calling retired health professionals and health students so they can assist the overwhelmed health care workforce. Unfortunately, these organizational changes at health facilities, along with the fears and concerns of becoming ill with the virus or infecting their families, put an enormous emotional burden on workers in health services which may lead to negative outcomes on mental health in this population.
Recent cross-sectional studies in China indicate that health service workers exposed to people with Covid-19 reported higher rates of depressive and anxious symptoms. This negative impact on mental health among health workers in China has also been informally reported in other countries where the Covid-19 pandemic has been devastating in its effects (such as Spain and Italy), as well as in countries where the pandemic is becoming a growing public health problem. This is particularly relevant in regions with fewer resources (Latin America, North Africa), where there are limited means and the response from the health system is usually insufficient. Moreover, it is necessary to study these negative effects longitudinally considering that some effects will appear over time (post-traumatic stress).
The COVID-19 HEalth caRe wOrkErS (HEROES) study is a large, bottom-up, South-North initiative aimed to evaluate the impact of the COVID-19 pandemic on the mental health of health care workers (HCWs). HEROES encompasses a wide variety of academic institutions in 19 LMICs and 8 HICs, in partnership with the Pan American Health Organization (PAHO) and with support from the World Health Organization (WHO). The HEROES study is led by Dr. Rubén Alvarado at University of Chile, and Dr. Ezra Susser and Franco Mascayano at Columbia U Mailman School of Public Health.
Condition or disease | Intervention/treatment |
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Covid-19 Mental Health Disorder Stress Disorder Anxiety Depression SARS-CoV-2 | Other: Exposure to the SARS-CoV-2 and its consequences |
Since December 2019 the world has been shaken with an enormous global threat: the Covid-19 pandemic. This new kind of coronavirus is generating an unprecedented impact both on the general population and on the healthcare systems in most countries. Health services are trying to expand their capacity to respond to the pandemic, taking actions such as increasing the number of beds; acquiring necessary equipment to provide intensive therapy (ventilators), and calling retired health professionals and health students so they can assist the overwhelmed health care workforce. Unfortunately, these organizational changes at health facilities, along with the fears and concerns of becoming ill with the virus or infecting their families, put an enormous emotional burden on workers in health services which may lead to negative outcomes on mental health in this population. Based on the literature to date, Covid-19 is significantly larger than previous pandemics in terms of the number of affected people worldwide, its spread across countries, its impact on healthcare systems and the severity of measures that have been taken by governments. Immediate consequences are palpable in the health care system. Many healthcare workers are overwhelmed by the increased workload; the lack of supplies and materials to provide appropriate treatment; the lack of clinical guidelines on prioritization and triage; and the increased feelings of isolation and loneliness. Previous research indicates that these negative effects can last over time and lead to the development of serious mental health problems such as post-traumatic stress disorder.
Recent cross-sectional studies in China indicate that health service workers exposed to people with Covid-19 reported higher rates of depressive and anxious symptoms. This negative impact on mental health among health workers in China has also been informally reported in other countries where the Covid-19 pandemic has been devastating in its effects (such as Spain and Italy), as well as in countries where the pandemic is becoming a growing public health problem. This is particularly relevant in regions with fewer resources (Latin America, North Africa), where there are limited means and the response from the health system is usually insufficient. Moreover, it is necessary to study these negative effects longitudinally considering that some effects will appear over time (post-traumatic stress). Also, it is necessary to take into account the nature and the extent of the health response (e.g., deployment, increased workload) in order to advance our understanding of these complex phenomenon and to inform policy and develop the kind of supports that this population deems useful.
The COVID-19 HEalth caRe wOrkErS (HEROES) study is a large, bottom-up, South-North initiative aimed to evaluate the impact of the COVID-19 pandemic on the mental health of health care workers (HCWs). HEROES encompasses a wide variety of academic institutions in 19 LMICs and 8 HICs, in partnership with the Pan American Health Organization (PAHO) and with support from the World Health Organization (WHO). The HEROES study is led by Dr. Rubén Alvarado at University of Chile, and Dr. Ezra Susser and Franco Mascayano at Columbia U Mailman School of Public Health.
Participants will complete an online questionnaire, which will be completely self-administered. It will take approximately 12 minutes and includes sociodemographic data, questions on work activity, training, fears and concerns related to Covid-19, as well as the GHQ-12 and a series of questions on other mental health issues (e.g., suicide, acute stress), resilience and psycho/social factors (e.g., formal and informal support).
Study Type : | Observational |
Estimated Enrollment : | 2000 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | The Impact of the Covid-19 Pandemic on the Mental Health of Workers in Health Services: The Covid-19 HEalth caRe wOrkErS (HEROES) Study |
Actual Study Start Date : | April 26, 2020 |
Estimated Primary Completion Date : | December 31, 2021 |
Estimated Study Completion Date : | December 31, 2021 |

Group/Cohort | Intervention/treatment |
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Healthcare workers
Workers who interact with people with confirmed or suspected COVID-19 at different health services (primary care centers, emergency units, specialized care units, inpatient care units, critically ill patient units, among others). Potential participants will include any type of worker in these centers, including clinical and administrative staff, as well as supportive staff (e.g., food services)
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Other: Exposure to the SARS-CoV-2 and its consequences
This is an observational design. Participants are exposed to the SARS-CoV-2, the Covid-19 pandemic, and/or its consequences |
- Anxiety and depressive symptoms [ Time Frame: 12 months ]The 12-item version of the General Health Questionnaire (GHQ-12) is a self-reported instrument that measures symptoms of anxiety and depression. It provides cut-off points to identify people at risk of anxiety and/or depression, which differ slightly between countries
- Experiences, fears and concerns about the Covid-19 [ Time Frame: Baseline ]Ad hoc survey on experiences, fears, and concerns about Covid-19
- Experiences, fears and concerns about the Covid-19 [ Time Frame: 3 months ]Ad hoc survey on experiences, fears, and concerns about Covid-19
- Experiences, fears and concerns about the Covid-19 [ Time Frame: 6 months ]Ad hoc survey on experiences, fears, and concerns about Covid-19
- Experiences, fears and concerns about the Covid-19 [ Time Frame: 12 months ]Ad hoc survey on experiences, fears, and concerns about Covid-19
- Training and resource prioritization [ Time Frame: Baseline ]Ad hoc survey on Covid-19 training and resource prioritization
- Training and resource prioritization [ Time Frame: 3 months ]Ad hoc survey on Covid-19 training and resource prioritization
- Training and resource prioritization [ Time Frame: 6 months ]Ad hoc survey on Covid-19 training and resource prioritization
- Training and resource prioritization [ Time Frame: 12 months ]Ad hoc survey on Covid-19 training and resource prioritization
- Suicide ideation (presence) [ Time Frame: Baseline ]Item from the Columbia Suicide Severity Rating Scale (C-SSRS) that measures suicidal ideation with a dichotomous answer (presence/absence)
- Suicide ideation (presence) [ Time Frame: 3 months ]Item from the Columbia Suicide Severity Rating Scale (C-SSRS) that measures suicidal ideation with a dichotomous answer (presence/absence)
- Suicide ideation (presence) [ Time Frame: 6 months ]Item from the Columbia Suicide Severity Rating Scale (C-SSRS) that measures suicidal ideation with a dichotomous answer (presence/absence)
- Suicide ideation (presence) [ Time Frame: 12 months ]Item from the Columbia Suicide Severity Rating Scale (C-SSRS) that measures suicidal ideation with a dichotomous answer (presence/absence)
- Suicide ideation (frequency) [ Time Frame: Baseline ]5-point Likert item from the Columbia Suicide Severity Rating Scale (C-SSRS). Higher scores indicate higher frequency.
- Suicide ideation (frequency) [ Time Frame: 3 months ]5-point Likert item from the Columbia Suicide Severity Rating Scale (C-SSRS). Higher scores indicate higher frequency.
- Suicide ideation (frequency) [ Time Frame: 6 months ]5-point Likert item from the Columbia Suicide Severity Rating Scale (C-SSRS). Higher scores indicate higher frequency.
- Suicide ideation (frequency) [ Time Frame: 12 months ]5-point Likert item from the Columbia Suicide Severity Rating Scale (C-SSRS). Higher scores indicate higher frequency.
- Acute stress symptoms [ Time Frame: Baseline ]Ad hoc 3-item survey to evaluate acute stress disorder. Higher values of the 5-points Likert scales suggest higher frequency of symptoms
- Acute stress symptoms [ Time Frame: 3 months ]Ad hoc 3-item survey to evaluate acute stress disorder. Higher values of the 5-points Likert scales suggest higher frequency of symptoms
- Acute stress symptoms [ Time Frame: 6 months ]Ad hoc 3-item survey to evaluate acute stress disorder. Higher values of the 5-points Likert scales suggest higher frequency of symptoms
- Acute stress symptoms [ Time Frame: 12 months ]Ad hoc 3-item survey to evaluate acute stress disorder. Higher values of the 5-points Likert scales suggest higher frequency of symptoms
- Psycho/social support and network [ Time Frame: Baseline ]Ad hoc survey on support network. The answers to the multiple items will be adjusted so higher values indicate higher levels of psychological and social support
- Psycho/social support and network [ Time Frame: 3 months ]Ad hoc survey on support network. The answers to the multiple items will be adjusted so higher values indicate higher levels of psychological and social support
- Psycho/social support and network [ Time Frame: 6 months ]Ad hoc survey on support network. The answers to the multiple items will be adjusted so higher values indicate higher levels of psychological and social support
- Psycho/social support and network [ Time Frame: 12 months ]Ad hoc survey on support network. The answers to the multiple items will be adjusted so higher values indicate higher levels of psychological and social support
- Resilience [ Time Frame: Baseline ]The Brief Resilience Scale (BRS) is a 6-item self-reported instrument that measures resilience. The range of scores is 6-30. Higher scores indicate higher resilience levels.
- Resilience [ Time Frame: 3 months ]The Brief Resilience Scale (BRS) is a 6-item self-reported instrument that measures resilience. The range of scores is 6-30. Higher scores indicate higher resilience levels.
- Resilience [ Time Frame: 6 months ]The Brief Resilience Scale (BRS) is a 6-item self-reported instrument that measures resilience. The range of scores is 6-30. Higher scores indicate higher resilience levels.
- Resilience [ Time Frame: 12 months ]The Brief Resilience Scale (BRS) is a 6-item self-reported instrument that measures resilience. The range of scores is 6-30. Higher scores indicate higher resilience levels.
- Anxiety and depressive symptoms [ Time Frame: Baseline ]The 12-item version of the General Health Questionnaire (GHQ-12) is a self-reported instrument that measures symptoms of anxiety and depression. It provides cut-off points to identify people at risk of anxiety and/or depression, which differ slightly between countries
- Anxiety and depressive symptoms [ Time Frame: 3 months ]The 12-item version of the General Health Questionnaire (GHQ-12) is a self-reported instrument that measures symptoms of anxiety and depression. It provides cut-off points to identify people at risk of anxiety and/or depression, which differ slightly between countries
- Anxiety and depressive symptoms [ Time Frame: 6 months ]The 12-item version of the General Health Questionnaire (GHQ-12) is a self-reported instrument that measures symptoms of anxiety and depression. It provides cut-off points to identify people at risk of anxiety and/or depression, which differ slightly between countries

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Legal age
- Currently working on a health service that provides care to COVID-19 patients
- Give informed consent
Exclusion Criteria:
- Inability to use electronic devices (required to complete the survey)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04352634
Contact: Rubén Alvarado, PhD | +56 2 2978 6967 | ralvarado@med.uchile.cl |

Principal Investigator: | Rubén Alvarado, PhD | University of Chile [Universidad de Chile] | |
Principal Investigator: | Ezra Susser, MD DrPH | Columbia University | |
Principal Investigator: | Franco Mascayano, MPH | Columbia Universty |
Responsible Party: | Rubén Alvarado, PhD, University of Chile |
ClinicalTrials.gov Identifier: | NCT04352634 |
Other Study ID Numbers: |
HEROES Covid-19 |
First Posted: | April 20, 2020 Key Record Dates |
Last Update Posted: | April 1, 2021 |
Last Verified: | March 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Covid-19 healthcare professionals mental health pandemic |
Disease Mental Disorders Pathologic Processes |