For Researchers
Data Access Process

1
Submit Preliminary Access Application Form, if needed.

2
Secure funding.

3
Submit Data and Biosample Application Form along with required documents*

4
Data Access Committee reviews applications

5
If the application is approved, the OHS will notify the approved user and a Data and Biosample Access Agreement will need to be signed.
* Approval letter from Research Ethics Board (REB) and REB-approved research protocol; Evidence of scientific peer-review of research protocol, if available; 2-page CV of Principal Applicant; List of required data linkage to data repositories, if any
Before submitting a request, we recommend that you familiarize yourself with the Ontario Health Study Data and Biosample Access Policy and contact access@ontariohealthstudy.ca.
Researchers can also link OHS data sets to administrative and health data to amplify their research.
CanPath Data Access

The Ontario Health Study is one of seven regional cohort studies participating in the Canadian Partnership for Tomorrow’s Health (CanPath).
Cohorts currently providing ready-to-access data include:
If you are interested in accessing data and samples from multiple cohorts, visit the Canpath website at CanPath.ca.