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Researcher Resources

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CLSA Sampling Weights Summary
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Modelling Complex Survey Data Using R, SAS, SPSS and Stata: A Comparison Using CLSA Datasets
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2025 Sampling and Computation of Response Rates and Sample Weights for the Tracking (Telephone Interview) Participants and Comprehensive Participants (Version 4.0)
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2024 Sampling and Computation of Response Rates and Sample Weights for the Tracking (Telephone Interview) Participants and Comprehensive Participants (Version 3.0)
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2023 Sampling and Computation of Response Rates and Sample Weights for the Tracking (Telephone Interview) Participants and Comprehensive Participants (Version 2.0)
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2020 Baseline Sampling and Computation of Response Rates and Sample Weights for the Tracking (Telephone Interview) Participants and Comprehensive Participants (Version 1.2)
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2017 Baseline Sampling and Computation of Response Rates and Sample Weights for the Tracking (Telephone Interview) Participants and Comprehensive Participants (Version 1.1)
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Recent News

Explore the research findings, webinar recordings and videos, and the latest news from the CLSA.

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April 13, 2026

CIHR invests $2.1M to advance aging research using CLSA data

April 8, 2026

Metabolomic sweet spot clock predicts mortality and age-related diseases in the Canadian Longitudinal Study on Aging

March 19, 2026

CLSA endorses the San Francisco Declaration on Research Assessment (DORA)

Data Access

The CLSA data are currently available to approved public sector researchers in Canada and elsewhere. Learn more about eligibility and how to apply for access.

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