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Results from the 2020 National Survey on Drug Use and Health: Detailed Tables
Prevalence Estimates, Standard Errors, and Sample Sizes

Appendix C: List of Contributors

These tables were prepared by the Substance Abuse and Mental Health Services Administration (SAMHSA), Center for Behavioral Health Statistics and Quality, and by RTI International (a registered trademark and a trade name of Research Triangle Institute). Work by RTI was performed under Contract No. HHSS283201700002C. Rong Cai served as the government project officer and as the contracting officer representative, and David Hunter served as the RTI project director.

These tables were drafted by RTI and reviewed at SAMHSA. Production of the tables at SAMHSA was managed by Douglas Richesson and Jennifer Hoenig. Additional SAMHSA contributors included Ahmed Khago, Shiromani Gyawali, and Qiyuan Pan.

Contributors and reviewers at RTI, listed alphabetically, included Tricia Adams, Katherine J. Asman, Stephanie N. Barnett, Michael R. Bradshaw, Kristen G. Brown, Glynis E. Burner, Wallace A. Campbell, Lisa A. Carpenter, Patrick (Pinliang) Chen, Chuchun Chien, Jennifer Cooney, Devon S. Cribb, Lanting Dai, Teresa R. Davis, Susan L. Edwards, Barbara J. Felts, Zachary French, Julia M. Gable, Harper Gordek, Paxton S. Gorsage, Rebecca K. Granger, Rachel M. Harter, Erica L. Hirsch, Phil Kott, Larry A. Kroutil, Philip K. Lee, Charlotte Looby, Nicole A. Mack, Peilan Chen Martin, Andrew S. Moore, Lisa E. Packer, Michael A. Penne, Andy Peytchev, Jeremy D. Porter, Rosanna S. Quiroz, Jessica L. Roycroft, Ana Saravia, Neeraja S. Sathe, Jennifer H. Schoden, Victoria M. Scott, Kathryn E. Spagnola, Marissa Trotta (formerly with RTI), Akhil Vaish, Lauren K. Warren, Matthew J. Westlake, and Carol L. Woodell. Also at RTI, Farrah Bullock Mann formatted the tables; Claudia Clark, Margaret A. Johnson, Brenda K. Porter (retired from RTI), and Amber M. Rohloff provided editorial assistance; Debbie Bond, Kimberly H. Cone, Teresa Mink, Daniel Occoquan, Pamela G. Tuck, and Cheryl L. Velez provided web conversion and/or document production support.

SAMHSA's mission is to reduce the impact of substance abuse and mental illness on America's communities.
1-877-SAMHSA-7 (1-877-726-4727) | 1-800-487-4889 (TDD) | www.samhsa.gov

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