OFFICE OF APPLIED STUDIES

This publication was developed for the Substance Abuse and Mental Health Services Administration (SAMHSA), Office of Applied Studies (OAS), by the Research Triangle Institute (RTI) under Contract No. 283-96-0001. Significant contributors at RTI include Jody M. Greene, L. Lynn Guess, Larry A. Kroutil, Robert L. Flewelling, Lisa E. Packer, Teresa Davis, Donald R. Akin, Richard S. Straw, Kathryn A. Restivo, Brenda K. Porter, and Brenda J. Smith. Robert Flewelling was the task leader for the production of the report, and Tom Virag was RTI's project director for the NHSDA contract. Janet Greenblatt was the OAS project officer. The report was reviewed by Andrea Kopstein, an OAS statistician, and Joseph C. Gfroerer, Chief of the Prevalence Branch, OAS.

All material appearing in this report is in the public domain and may be reproduced or copied without permission from SAMHSA. Citation of the source is appreciated.