Available data sets

The iCARE study uses different survey methodologies to gather information from people across the globe. These include:

  • Convenience surveys (distributed globally through a variety of methods)
  • Web-panel surveys (distributed in targeted countries to obtain representative samples)
  • Longitudinal survey (currently distributed in Canada)

The iCARE study team is committed to making research materials and data available to all study collaborators. For more information about our data access procedure, please refer to our step-by-step Data Access Guide.

See below for information about available data sets and their date ranges.


iCARE Convenience Samples

iCARE Convenience Samples are a series of cross-sectional surveys that have been released approximately every six weeks since March 2020.

In order to reach as many people around the world as possible, we use a mixture of snowball sampling and online advertising, facilitated through a vast network of over 200 international collaborators.

Convenience sampling ended on January 11, 2022.

Consult cumulative and ongoing recruitment numbers from the Convenient Samples

iCARE Web-Panel Surveys

The iCARE Web-Panel Surveys are attempts to obtain representative samples from a series of target countries, including Australia, Canada, Colombia, France, Ireland, Israel, Italy, the United Kingdom and the US.

Sample size varies by country, but each sample usually includes between 1,000 and 3,000 participants. Sample weights, according to key sociodemographic characteristics (e.g., age, sex, education), are included in most data sets to adjust analyses.

Updated August 3, 2022

Canadian Longitudinal Survey

The iCARE Canadian Longitudinal Survey began recruitment in January 2021. Since then, all participants who complete the iCARE Convenience Survey and indicate that they live in Canada have been invited to participate.

Each time a new convenience sample is released, participants enrolled in the longitudinal survey are invited (by email) to complete a separate survey that allows us to track changes in participant responses over time.

Updated August 3, 2022

Please note that dates shown in the table below may differ slightly than the actual dates of the survey’s data capture. The iCARE team can provide anyone requesting data with the exact dates as needed.

If you require any additional information about our convenience samples, web-panel data sets, or Canadian longitudinal data sets, please contact the iCARE team: covid19study@mbmc-cmcm.ca


OVERVIEW OF iCARE STUDY DATA SETS AND RECRUITMENT TIMELINE


DATEConvenience samplesLongitudinal
samples
Web-panel samples (representative)Web-panel dates
March 27 to May 5, 2020Survey 1  UKApril 3-30, 2020
  CanadaApril 9-20, 2020
May 5 to June 8, 2020Survey 2Australia  May 1-5, 2020
  CanadaJune 4-17, 2020
June 8 to July 22, 2020Survey 3  IrelandJune 22-July 15, 2020
AustraliaJuly 1-7, 2020
July 22 to September 15, 2020Survey 4
September 15 to November 3, 2020Survey 5
November 3, 2020 to December 16, 2020Survey 6  CanadaOctober 29-November 11, 2020
December 16, 2020 to February 9, 2021Survey 7  Canada  CanadaJanuary 27-February 7, 2021
February 9 to March 25, 2021Survey 8  Canada and AustraliaFebruary 15-25, 2021
  CanadaMarch 11-23, 2021
March 25 to May 4, 2021Survey 9  Canada  ItalyApril 23-28, 2021
  IrelandApril 28-May 24, 2021
  IsraelApril 29-May 4, 2021
May 4 to June 15, 2021Survey 10  Canada  CanadaMay 31-June 14, 2021
June 15 to August 24, 2021Survey 11  Canada  FranceJune 25-July 2, 2021
  IrelandJuly 5-27, 2021
  ColombiaJuly 7-21, 2021
  AustraliaJune 30-August 12, 2021
August 24 to September 21, 2021Survey 12  Canada  CanadaSeptember 10-20, 2021
   USASeptember 15-28, 2021
September 21 to October 19, 2021Survey 13
October 19 to November 30, 2021Survey 14   Canada   CanadaNovember 15-December 3, 2021
  IrelandNovember 15-December 3, 2021
  ItalyOctober 19-November 30, 2021
  FranceNovember 22-30, 2021
  ColombiaNovember 15-December 1, 2021
November 30, 2021 to January 11, 2022Survey 15   Canada    USADecember 17-28, 2021
January 11 to February 22, 2022Survey 16  Canada and   AustraliaJanuary 7 to February 10, 2022
  CanadaJanuary 20 to February 2, 2022
  ColombiaJanuary 26 to February 2, 2022
  FranceJanuary 26 to February 2, 2022
  ItalyFebruary 3 to 6, 2022
  IrelandJanuary 21 to February 4, 2022
February 22 to April 5, 2022Survey 17  Canada
April 5 to May 17, 2022Survey 18  Canada  CanadaMay 6 to June 6, 2022
May 17 to June 28, 2022Survey 19  Canada and   AustraliaMay 20 to June 21, 2022
  ColombiaMay 24 to June 1, 2022
  FranceMay 23 to June 1, 2022
  ItalyMay 23 to 29, 2022
  IrelandMay 23 to June 3, 2022
June 28 to August 9, 2022Survey 20  Canada
August 9 to September 20, 2022Survey 21  Canada  CanadaSeptember 5 to 12, 2022
  AustraliaSeptember 5 to 12, 2022
  ColombiaSeptember 5 to 12, 2022
  FranceSeptember 5 to 12, 2022
  ItalySeptember 5 to 12, 2022
  IrelandSeptember 5 to 12, 2022
September 20 to November 1, 2022Survey 22  Canada
November 1 to December 13, 2022Survey 23  Canada  CanadaNovember 18 to Dec 2, 2022
  AustraliaNovember 18 to Dec 2, 2022
  ColombiaNovember 18 to Dec 2, 2022
  FranceNovember 18 to Dec 2, 2022
  ItalyNovember 18 to Dec 2, 2022
  IrelandNovember 18 to Dec 2, 2022
December 13, 2022 to January 24, 2023Survey 24  Canada

113,416 responses collected worldwide

Location of iCARE Study participants (Surveys 1 to 15 combined)

iCARE Canadian Longitudinal Study

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