1. From the Division of Chronic Disease Epidemiology (M.M.D.), Yale School of Public Health, New Haven, Conn; Baylor Health Care System (B.D.S.), Dallas, Tex; the Departments of Internal Medicine and Preventive Medicine (H.H.H.F.), Griffin Hospital, Derby, Conn; and the Center for Outcomes Research and Evaluation (G.C.S.), Yale-New Haven Hospital, New Haven, Conn. Dr Stauffer was a postdoctoral fellow in the Robert Wood Johnson Clinical Scholars Program at Yale University during the time this work was...