1. Dr. Helzer is Assistant Professor of Psychiatry, Dr. Robins is Professor of Sociology in Psychiatry, and Ms. Hesselbrock is and Dr. Wish was Medical Research Technician, Department of Psychiatry, Washington University School of Medicine, St. Louis, Mo. 63110. Dr. Wish is now Research Investigator, Burt Associates, Inc., Bethesda, Md.