1. From the School of Nursing (S.B.W.), Divisions of Hypertension (S.B.W., M.R.W., D.W.J.) and Cardiology (H.A.T.), School of Medicine, Jackson Heart Study Examination Center (S.B.W., M.R.W., W.J.K., H.A.T., D.W.J.), and Department of Pharmacy Services (W.J.K.), University of Mississippi Medical Center, Jackson; Jackson Heart Study Coordinating Center (E.L.A., W.J.K., H.A.T.), Jackson State University, Miss; Division of Population and Prevention Science (S.A.C.), National Heart, Lung, and Blood...