Individual Study / DISCoVER

Determining Infection Severity of CoV-2 in Elderly Residents

Determining Infection Severity of CoV-2 in Elderly Residents

DISCoVER logo
Networks -
Datasets -
Variables -
Start Year
2020
End Year
2022

Members

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Investigators Contacts
  • Dr. Donald Vinh
    Centre universitaire de santé McGill
  • Dr. Diana Cruz-Santiago
    Institut universitaire de gériatrie de Montréal
  • Dr. Hélène Girouard
    Université de Montréal
  • Dr. Jean-Philippe Gouin
    Institut universitaire de gériatrie de Montréal
  • Dr. Xiangfei Meng
    Centre de Recherche Douglas
  • Michelle Marquis
    McGill University Health Center
  • Dr. Donald Vinh
    Centre universitaire de santé McGill

Design

Study design
Cohort
Follow Up
After it's determined whether participants are COVID positive or negative at day 0, they are followed-up at day 7, at months 1, 3 and 6.

Recruitment

Recruitment Target
  • Individuals

Number of Participants

Number of Participants
850
Number of Participants with Biological Samples
850

Access

Availability of data and biosamples

Possible Access to Data
Possible Access to Biosamples
Other

Timeline

DISCoVER population

Selection Criteria
Minimum age
65
Newborns
Twins
Countries
  • Canada
Territory
Ethnic Origin
Health Status
Other Criteria
Exclusion: Cannot fill out the form in english nor french, or has been transferred in other hospital than the McGill University Health Centre, has not given consentment

Recruitment

Sources of recruitment
  • Specific population
Specific Population
  • Clinic patients
Supplementary Information
Participants were recruited from long-term facilities such as "Centre d'hébergement et de soins de longue durée (CHSLDs)", Intermediate Resources (IR), or seniors' residence. The care staff will carry out the required pre-consent process to their residents being identified as COVID positive, and also to those identified as COVID negative.

Number of Participants

Number of Participants
850
Number of Participants with Biological Samples
850
Data Collection Events
# Name Description Start End
0 DISCoVER - Day 0 Psychosocial interviews were conducted to collect in-depth perspective and lived experience (i.e. challenges and needs) during the COVID-19 pandemic. Quantitative psychosocial evaluations were ... 2020-11
1 DISCoVER - Day 7 At day 7, blood samples were collected for plasma, DNA, RNA and cells studies analysis in the future. Clinical data (sociodemographic factors, symptoms related to COVID, medication) were ... 2020-11
2 DISCoVER - Month 1 Psychosocial interviews were conducted to collect in-depth perspective and lived experience (i.e. challenges and needs) during the COVID-19 pandemic. Quantitative psychosocial evaluations were ... 2020-12
3 DISCoVER - Month 3 Psychosocial interviews were conducted to collect in-depth perspective and lived experience (i.e. challenges and needs) during the COVID-19 pandemic. Quantitative psychosocial evaluations were ... 2021-02
4 DISCoVER - Month 6 Psychosocial interviews were conducted to collect in-depth perspective and lived experience (i.e. challenges and needs) during the COVID-19 pandemic. Quantitative psychosocial evaluations were ... 2021-05

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
Perception of health
Quality of life
Life course development
Functional limitations
Other perception of health, quality of life and functional limitation-related information
Tobacco
Alcohol
Drugs
Nutrition
Breastfeeding
Physical activity
Sleep
Sexual behaviours and orientation
Technological devices
Misbehaviour and criminality
Other and unspecified lifestyle information
Social network
Social participation
Social support
Parenting and familial environment
Other social environment characteristics

Socio-demographic and economic characteristics

Age/birthdate
Sex/gender
Marital/partner status
Family and household structure
Education
Residence
Birthplace
Ethnicity, race and religion

Lifestyle and behaviours

Tobacco
Drugs
Sleep

Perception of health, quality of life, development and functional limitations

Perception of health
Quality of life
Functional limitations

Diseases

Certain infectious and parasitic diseases (A00-B99)
Neoplasms (C00-D48)
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Endocrine, nutritional and metabolic diseases (E00-E90)
Mental and behavioural disorders (F00-F99)
Diseases of the nervous system (G00-G99)
Diseases of the eye and adnexa (H00-H59)
Diseases of the ear and mastoid process (H60-H95)
Diseases of the circulatory system (I00-I99)
Diseases of the respiratory system (J00-J99)
Diseases of the digestive system (K00-K93)
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Diseases of the genitourinary system (N00-N99)
Injury, poisoning and certain other consequences of external causes (S00-T98)
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 cognition, perception, emotional state and behaviour (R40-R46)
Symptoms and signs involving speech and voice (R47-R49)
General symptoms and signs (R50-R69)
Symptoms related to multiple categories

Medication and supplements

Medication and supplement intake

Non-pharmacological interventions

Laboratory diagnosis interventions
Other and unspecified non-pharmacological interventions

Health and community care services utilization

Hospitalizations
Community and social care
Other health and community care

Death

Vital status
Other end of life or death-related information

Physical measures and assessments

Anthropometry
Circulation and respiration
Brain and nerves
Other physical measures and assessments

Laboratory measures

Hematology
Biochemistry
Virology
Immunology

Cognition, personality and psychological measures and assessments

Cognitive functioning
Psychological distress and emotions
Other psychological measures and assessments

Social environment and relationships

Social network
Social participation
Social support

Administrative information

Identifiers
Date and time-related information
Questionnaire and interview-related information
Physical and cognitive measure and biosample-related information
Data and sample collection center-related information
Other administrative information

Cognitive functioning

Informant Questionnaire on Cognitive Decline in the Elderly
Memory and Aging Telephone Screen
Montreal Cognitive Assessment

Psychological distress and emotions

Geriatric Anxiety Inventory
Geriatric Depression Scale
Neuropsychiatric Inventory

Quality of life

Alzheimer’s Disease-Related Quality of Life - Social Interaction
Brief Pain Inventory
Functional Assessment of Chronic Illness Therapy-Fatigue Scale

Functional limitations

Clinical Frailty Scale
Strength, Assistance with walking, Rising from a chair, Climbing stairs, and Falls Questionnaire

Sleep

Pittsburgh Sleep Quality Index

Social support

UCLA Loneliness Scale