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Collaborative Cohort of Cohorts for COVID-19 Research (C4R): REasons for Geographic and Racial Differences in Stroke (REGARDS)

Cohort Description
The REasons for Geographic and Racial Differences in Stroke (REGARDS) cohort is one of the nation's largest, most comprehensive population-based cohorts, and it uses innovative home- and telephone-based data collection. REGARDS centrally recruited and initially examined 30,239 Black and White men and women aged ≥45 years in 2003-7 to understand why Southerners and Black Americans have a higher incidence of stroke and related diseases that affect brain health.

Data Being Submitted
Wave 1 questionnaire data includes 397 variables for 8109 REGARDS participants in C4R.
Wave 2 questionnaire data includes 448 variables for 6421 REGARDS participants in C4R.
Dried Blood Spot/Serosurvey data includes 7 variables for 4058 REGARDS participants in C4R.
Derived data includes 43 variables for 8606 REGARDS participants in C4R.
Phenotype data includes 113 variables for 7880 REGARDS participants in C4R.