1. From the Jackson Heart Study, National Heart, Lung, and Blood Institute, Jackson, Miss (C.M.B.); Biostatistics and Epidemiology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV (C.M.B., M.E.A.); Departments of Medicine (T.N.S., D.W.J., H.A.T.) and Preventive Medicine (M.E.A.), University of Mississippi Medical Center, Jackson; Jackson Heart Study Coordinating Center, Jackson State University, Jackson, Miss (R.J.G.); and Division of...