From the Institute for Prevention of Cardiovascular Disease, Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (M.A.M., D.M., G.H.T.); the Department of Epidemiology, Harvard School of Public Health, Boston, Mass (M.A.M., M.M.); the Department of Health and Social Behavior, Harvard School of Public Health, Boston, Mass (J.B.S.); and the Division of Cardiology, Department of Medicine, University of Kentucky Medical Center,... (At 1999-06)