CCS-2 population
The population is composed of teachers and education workers (educational assistants, school office staff, custodians, librarians, early childhood educators), aged between 18-74 years old, in Ontario.
The population is composed of teachers and education workers (educational assistants, school office staff, custodians, librarians, early childhood educators), aged between 18-74 years old, in Ontario.
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Minimum age
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18
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Maximum age
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74
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Newborns
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Twins
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Countries
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Territory
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Ethnic Origin
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Health Status
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- Do not have a bleeding disorder, have not had chemotherapy in the past 4 weeks, and have not had a bilateral mastectomy
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Other Criteria
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Inclusion: employed in any capacity by an Ontario public school board or independent school; work, on average, at least 8 hours per week and can be available for at least the next 3 months after enrolment
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Sources of recruitment
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Specific Population
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Other specific population : Teachers and education workers
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Supplementary Information
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Participants were recruited by advertising of the study to key partners membership, using a variety of media including inclusion in emails and updates and posting on their website and social media sites; promoting the study through stories about the study and interviews on radio, newspapers, and television, and posting on Facebook, Twitter, and LinkedIn.
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Number of Participants
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7,000
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Number of Participants with Biological Samples
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7,000
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Supplementary Information about selection criteria
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Phase I: 7000 participants
Phase II Cohort A: 6650 participants
Phase II Cohort B: 350 participants