This scientific study design recruited 1250 men and females from 4 different communities which included: Forsyth County(North Carolina), Pittsburgh, (Pennsylvania), Sacramento County(California), Washington County, (Maryland). Furthermore, an additional 687 African-Americans were recruited in the study after the initial baseline survey. The original time frame intended for the Cardiovascular Health Study was a six years, based on the availability of funds. Moreover, an additional six years were approved later in 1994 as a follow- up
This scientific study design recruited 1250 men and females from 4 different communities which included: Forsyth County(North Carolina), Pittsburgh, (Pennsylvania), Sacramento County(California), Washington County, (Maryland). Furthermore, an additional 687 African-Americans were recruited in the study after the initial baseline survey. The original time frame intended for the Cardiovascular Health Study was a six years, based on the availability of funds. Moreover, an additional six years were approved later in 1994 as a follow- up