COVID-19: Data dictionary for the case report form
The following tables outline the definitions, format and values for each variable in the COVID-19 case report form.
| Variable | Format/values | Definition |
|---|---|---|
| PT |
|
Province/territory where the case resides |
| PTCaseID | - | ID assigned by the PT |
| PHACReportedDate | dd/mm/yyyy | Date case was reported to PHAC. Auto-generated field. |
| ReportedDate | dd/mm/yyyy | Date case was reported to PT |
| Variable | Format/values | Definition |
|---|---|---|
| Classification | Confirmed Probable |
Surveillance classification of the reported case (according to the case definition) |
Reinfection_Lab_Based |
|
Surveillance classification of laboratory-based reinfected case (according to the case definition) |
Reinfection_Time_Based |
|
Surveillance classification of time-based reinfected case (according to the case definition) |
| Variable | Format/values | Definition |
|---|---|---|
| Sex | Male Female Intersex Unknown |
A set of biological attributes in humans and animals assigned at birth. It is primarily associated with physical and physiological features including chromosomes, gene expression, hormone levels and function, and reproductive/sexual anatomy. Note: Collection of both sex and gender data may unintentionally out a person and/or may cause distress. Suggestion to add gender sensitivity training for interviewers for this particular piece, if feasible. |
| Gender | Male Female Another gender Unknown |
Refers to the socially constructed roles, behaviours, expressions and identities of girls, women, boys, men, and gender diverse people. Note: Collection of both sex and gender data may unintentionally out a person and/or may cause distress. Suggestion to add gender sensitivity training for interviewers for this particular piece, if feasible. |
| Age | 0-130 (3 digits) 999 if unknown |
Age of case at time of illness onset. For cases <1 year, indicate age in months. For cases ≥ 1 year, indicate age in years. |
| AgeUnit | Months Years |
For cases <1 year, indicate age in months in Age variable and select 'Months' for AgeUnit variable. For cases ≥ 1year, indicate age in years in 'Age' variable and select 'Years' for AgeUnit variable. |
| HealthRegion | - | Indicates the case's health region |
| FSA | - | Forward Sortation Area - first three letters/digits of the postal code |
| Race |
|
Indicates the population group to which the case most closely identifies; multiple entries possible. Examples that fall within response category:
|
| RaceSpec | - | Specification for cases that don't meet current population group categories |
| IndigenousIdentity |
|
Indicates the case's Indigenous identity. Multiple entries possible. |
| IndigenousIdentitySpec | - | Specifies Other Indigenous |
| Residence_ReserveCommunityCrownLand |
|
Indicates whether the case resides in a First Nations Community (on-reserve or Crown land) or Inuit Community |
| Variable | Format/values | Definition |
|---|---|---|
| OccupationHCW |
|
Is the case currently a health care worker? (Any role in a private or public health care setting, including employee, volunteer, student.) |
| RotationalWorker |
|
Indicates more details on the type of occupation Is the case a rotational worker* (travel outside of the province/territory for work)? * A worker whose shifts rotate or change according to a set schedule. This includes workers who work in remote or isolated regions at worksites that employ a fly-in-fly-out (FIFO) or drive-in-drive-out (DIDO) model (e.g., oil sands or mine workers). |
| TempForeignWorker |
|
Indicates more details on the type of occupation Is the case a temporary foreign worker*? * Individuals who are neither a Canadian citizen nor a permanent resident who work in Canada. |
| Variable | Format/values | Definition |
|---|---|---|
| OnsetDate | dd/mm/yyyy | Date of symptom onset |
| Asymptomatic | Yes No |
Indicates if the case was asymptomatic at time of report |
| Variable | Format/values | Definition |
|---|---|---|
| RFPregnancy |
|
Indicates if case is pregnant |
| Variable | Format/values | Definition |
|---|---|---|
| Hosp |
|
Indicates if the case was admitted to the hospital as a result of their illness (does not include ER visits): |
| ICU |
|
If hospitalized, was the case admitted to intensive care unit (ICU): |
| Deceased |
|
Indicates if case is deceased. |
| DeathCovid |
|
If the case has died, indicates if COVID-19 was the cause of death or a contributing factor COVID-19 Deceased case definition: A probable or confirmed COVID-19 case whose death results from a clinically compatible illness, unless there is a clear alternative cause of death identified (e.g., trauma, poisoning, drug overdose). A Medical Officer of Health, relevant public health authority, or coroner may use their discretion when determining if a death was due to COVID-19, and their judgement will supersede the above criteria. A death due to COVID-19 may be attributed when COVID-19 is the cause of death or is a contributing factor. |
| DeathCause | - | If the case has died, indicates the cause of death (as listed on the death certificate) |
| DeathDate | dd/mm/yyyy | Case's date of death (if applicable) |
| Variable | Format/values | Definition |
|---|---|---|
| OutbreakID | - | If the case was exposed to a known outbreak in the 14 days prior to symptom onset, Outbreak ID (assigned by the PT) Definitions *Test-confirmed would include positive COVID-19 results from NAAT or RAT methods Notes:
|
| Variable | Format/values | Definition |
|---|---|---|
| LabSpecimenCollectionDate | dd/mm/yyyy | Date(s) the case's lab specimen was collected |
| LabTestMethod | Laboratory-based NAAT Serology POC NAAT POC antigen test Other |
Indicates the type of test used for case identification |
| Sequencing |
|
Has sequencing been completed? |
| LabTestResultDate | dd/mm/yyyy | Indicates the date the lab's test result was available. |
| LabID | Free-text | Provincial/Territorial Laboratory ID for case's specimen, (which is included in national laboratory reporting for COVID-19) |
| Lab_name | Texte libre | Name of lab providing the LabID for national laboratory reporting |
| VariantIdentified |
|
Has a variant of concern, variant of interest or other mutation of interest been identified? |
| VariantScreenResult | Free-text | The result of the VOC screening assay (e.g N501Y mutation, E484K mutation, etc) |
| VariantSequenceResult | Free-text | The name of the identified VOC/VUI (e.g. B.1.1.7, B.1.351, P.1, B.1.525 etc). Pango lineage should be provided where appropriate. |
| Variable | Format/values | Definition |
|---|---|---|
| VaccineHistory |
|
Did the case received vaccination for COVID-19? |
| VaccName1 |
|
Indicate vaccine(s) received for first dose |
| VaccName2 |
|
Indicate vaccine(s) received for second dose |
| VaccName3 |
|
Indicate vaccine(s) received for third dose |
| VaccName4 |
|
Indicate vaccine(s) received for fourth dose |
| VaccName5 |
|
Indicate vaccine(s) received for fifth dose |
| VaccNameSub |
|
Indicate vaccine(s) received for subsequent dose |
| Vaccnamespec1 |
|
If other vaccine received for first dose, specify which vaccine (if applicable) |
| Vaccnamespec2 |
|
If other vaccine received for second dose, specify which vaccine (if applicable) |
| Vaccnamespec3 |
|
If other vaccine received for third dose, specify which vaccine (if applicable) |
| Vaccnamespec4 |
|
If other vaccine received for fourth dose, specify which vaccine (if applicable) |
| Vaccnamespec5 |
|
If other vaccine received for fifth dose, specify which vaccine (if applicable) |
| Vaccnamespecsub |
|
If other vaccine received for subsequent dose, specify which vaccine (if applicable) |
| vaccdate1 |
|
Date of first dose administered; (DD/MM/YYYY); |
| vaccdate2 |
|
Date of second dose administered; (DD/MM/YYYY); |
| vaccdate3 |
|
Date of third dose administered; (DD/MM/YYYY); |
| vaccdate4 |
|
Date of fourth dose administered; (DD/MM/YYYY); |
| vaccdate5 |
|
Date of fifth dose administered; (DD/MM/YYYY); |
| vaccdatesub |
|
Date of subsequent dose administered; (DD/MM/YYYY); |
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