This was a cross sectional analysis of the JHS baseline data. JHS is a community-based cohort study that explores the risk and etiologic factors for cardiovascular disease among African Americans. JHS commenced in 2000 and includes a cohort of 5,306 participants from the Jackson, Mississippi metropolitan statistical area. Participants were selected from 4 recruitment pools: random (17%), volunteer (22%), Atherosclerosis Risk in Communities (ARIC) Study (30%), and secondary family members (31%). Study design and methods have been described previously [21].
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