For Researchers
CanCOLD Data
With longitudinal evaluations and detailed characterization of study subjects using a range of assessment tools, CanCOLD is an invaluable resource to catalyze COPD research.
Data Overview
At each data collection wave, trained CanCOLD research staff collect a deep pool of information that can be queried to address research questions related to COPD. A wide range of physical measures and assessment tools are used including anthropometric measures, validated questionnaires, blood samples, pulmonary function tests, cardiopulmonary exercise test (CPET) and multidetector computerized tomography scan (CT Scan).
Respiratory health is additionally evaluated by telephone contact every 3 months, when participants respond to a COPD exacerbation questionnaire, with questions on symptom changes, medication and health service use.
CanCOLD data can be linked to information held in provincial administrative and vital statistics databases such as health care utilization, medication intake, and cause of mortality. Finally, in order to assess the relationship of chronic respiratory disease development and progression with environmental factors such as ambient air pollution exposure and climate and weather events, data distributed by the Canadian Urban Environmental Health Research Consortium (CANUE) is linked to CanCOLD data.
To explore all variables collected by the CanCOLD Study, please visit our Data Portal.
Data Collection Wave | Measurements |
Visit 1 (Baseline) |
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Visit 2 (18 months) |
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Visit 3* (3 years) |
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Visit 4 (10 years) |
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Every 3 months | COPD exacerbation questionnaires (telephone/online) |
PFT – Pulmonary Function Test, CPET – Cardiopulmonary Exercise Test, CT Scan – multidetector computerized tomography scan,
6MWT – 6 Minute Walking Test
*Visit 3 PET, CPET, CTScan done on “at-risk” and COPD subjects only.
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