Data Support Documentation

Researchers are strongly encouraged to review all of the following documentation prior to preparing an application for data and/or sample access.

Data Collection Tools:

Data Dictionaries:

Data dictionaries are documents that provide information about each variable in a dataset. Below, you will find data dictionaries for the variables collected during the CLSA Baseline assessment. There are three data dictionaries, corresponding to Tracking Questionnaires, Maintaining Contact Questionnaires and Comprehensive Data, including Questionnaires, Physical Assessments and Hematological Biomarkers. These documents are updated periodically, as needed. If you have questions about the data dictionaries, please contact us via

Sampling Weights Documents:

Derived Variables Documents:

Other Data Support Materials: