The impact of Covid-19 on the health of physicians, nurses and other healthcare workers: an interprovincial cohort study
Networks
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Datasets
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Variables
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The objectives of this study are:
* To assess the impact of working through the Covid-19 pandemic on health care workers (HCW);
* To identify remediable workplace practices associated with infection in HCW and interventions helpful in managing the mental health impact of the pandemic; and
* Post-vaccine, to monitor changes in IgG antibody concentration over time.
- Start Year
- 2020
| Investigators | Contacts |
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Design
- Study design
- Cohort
- Follow Up
- After recruitment (Phase I), participants were followed-up in October 2020 (Phase II), then in May 2021 (Phase III) and in March 2022 (Phase IV). In addition, participants were followed-up at 4, 7 and 13 months after the first dose of the vaccine.
- Supplementary Information
- A nested case-control study of all new cases was done after Phase II. Participants found positive for the virus are matched with controls in the cohort from within their own professional group and health region.
Recruitment
- Recruitment Target
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- Individuals
Number of Participants
- Number of Participants
- 5,200
- Number of Participants with Biological Samples
- 3,000
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
Timeline
C19-HCW population
The population is composed of health care workers (doctors, nurses, health care aides and personal support workers) in four provinces of Canada.
Selection Criteria
- Newborns
- Twins
- Countries
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- Canada
- Territory
- Ethnic Origin
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- Health Status
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- Other Criteria
- Be a health care worker: physicians, nurses, health care aides and personal support workers
Recruitment
- Sources of recruitment
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- Specific population
- Specific Population
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- Members of an association
- Supplementary Information
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Recruitment procedure was done by approaching health care workers through their regulatory bodies. In Alberta, British Columbia, Ontario and Quebec physicians have been approached through the provincial College of Physicians and Surgeons. Nurses (RN, RPNs, LPNs) have been recruited only in Alberta, personal support workers (PSW) in Ontario and health care aides (HCA) in Alberta.
Number of Participants
- Number of Participants
- 5,200
- Number of Participants with Biological Samples
- 3,000
Data Collection Events
| # | Name | Description | Start | End |
|---|---|---|---|---|
| 0 |
C19-HCW - Phase I
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Information on work practices, infection and mental health was collected. | 2020-04 | 2020-10 |
| 1 |
C19-HCW - Phase II
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Information on work practices, infection and mental health was collected. A blood sample was collected for serological test. | 2020-10 | 2021-03 |
| 2 |
C19-HCW - Phase III
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Information on work practices, infection, and mental health was collected. In those not vaccinated, a blood sample was collected for serological test. | 2021-05 | 2021-10 |
| 3 |
C19-HCW - Nested case-control study
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Information about exposures and incidents in the 21 days leading up to the date of the case sample was collected. | 2020-10 | 2022-03 |
| 4 |
C19-HCW - 4 months post-vaccination
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Update information on vaccination/infection was collected. Blood samples were collected for serological testing. | 2021-04 | 2022-03 |
| 5 |
C19-HCW - 7 months post-vaccination
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Update information on vaccination/infection was collected. Blood samples were collected for serological testing. | 2021-07 | 2022-03 |
| 6 |
C19-HCW - 13 months post-vaccination
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Update information on vaccination/infection was collected. Blood samples were collected for serological testing. | 2022-01 | 2022-03 |
| 7 |
C19-HCW - Phase IV
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Information about work practices, infection and mental health was collected. | 2022-03 |
Classifications
- Socio-demographic and economic characteristics
- Lifestyle and behaviours
- Birth, pregnancy and reproductive health history
- Perception of health, quality of life, development and functional limitations
- Diseases
- Symptoms and signs
- Medication and supplements
- Non-pharmacological interventions
- Health and community care services utilization
- Death
- Physical measures and assessments
- Laboratory measures
- Cognition, personality and psychological measures and assessments
- Life events, life plans, beliefs and values
- Preschool, school and work life
- Social environment and relationships
- Physical environment
- Administrative information
- Cognitive functioning
- Personality
- Psychological distress and emotions
- Other psychological measures and assessments
Socio-demographic and economic characteristics
Age/birthdate
Sex/gender
Marital/partner status
Family and household structure
Education
Residence
Citizenship and immigrant status
Ethnicity, race and religion
Labour force and retirement
Income, possessions, and benefits
Lifestyle and behaviours
Tobacco
Alcohol
Drugs
Sleep
Birth, pregnancy and reproductive health history
Pregnancy, delivery and birth
Perception of health, quality of life, development and functional limitations
Perception of health
Life course development
Functional limitations
Diseases
Certain infectious and parasitic diseases (A00-B99)
Neoplasms (C00-D48)
Mental and behavioural disorders (F00-F99)
Diseases of the nervous system (G00-G99)
Diseases of the respiratory system (J00-J99)
Diseases of the digestive system (K00-K93)
Diseases of the skin and subcutaneous tissue (L00-L99)
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Diseases without precise specification or falling into multiple categories
Symptoms and signs
Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
Symptoms and signs involving the digestive system and abdomen (R10-R19)
Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
Symptoms and signs involving nervous and musculoskeletal systems (R25-R29)
Symptoms and signs involving cognition, perception, emotional state and behaviour (R40-R46)
General symptoms and signs (R50-R69)
Symptoms related to multiple categories
Medication and supplements
Medication and supplement intake
Posology and protocol of administration
Non-pharmacological interventions
Surgical interventions
Physical therapy interventions
Cognitive, psychological and sensory interventions
Laboratory diagnosis interventions
Other and unspecified non-pharmacological interventions
Health and community care services utilization
Visits to health professionals
Hospitalizations
Community and social care
Physical measures and assessments
Anthropometry
Laboratory measures
Virology
Immunology
Cognition, personality and psychological measures and assessments
Personality
Psychological distress and emotions
Life events, life plans, beliefs and values
Life events
Preschool, school and work life
Work life
Other preschool, school or work life-related information
Social environment and relationships
Social support
Physical environment
Workplace characteristics
Biological exposure
Administrative information
Date and time-related information
Questionnaire and interview-related information
Psychological distress and emotions
Hospital Anxiety and Depression Scale