2007 National Roadside Survey of Alcohol and Drug Use by Drivers

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This publication is distributed by the U.S. Department of Transportation, NationalHighway Traffic Safety Administration, in the interest of information exchange.The opinions, findings and conclusions expressed in this publication are those ofthe author(s) and not necessarily those of the Department of Transportation or theNational Highway Traffic Safety Administration. The United States Governmentassumes no liability for its content or use thereof. If trade or manufacturers’ namesor products are mentioned, it is because they are considered essential to the objectof the publication and should not be construed as an endorsement. The UnitedStates Government does not endorse products or manufacturers.
Technical Report Documentation Page1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No.DOT HS 811 2494. Title and Subtitle2007 National Roadside Survey of Alcohol and Drug Use by Drivers:5. Report DateDecember 2009Drug Results7. Author(s)John H. Lacey, Tara Kelley-Baker, Debra Furr-Holden, Robert B.Voas, Eduardo Romano, Anthony Ramirez, Katharine Brainard,Christine Moore, Pedro Torres, and Amy Berning6. Performing Organization Code8. Performing Organization Report No.9. Performing Organization Name and Address 10. Work Unit No. (TRAIS)Pacific Institute for Research and Evaluation11720 Beltsville Drive, Ste. 900, Calverton, MD 20705Phone: 301-755-2700 Fax: (301) 755-279911. Contract or Grant No.DTNH22-06-C-0004012. Sponsoring Agency Name and Address 13. Type of Report and Period CoveredNational Highway Traffic Safety AdministrationFinal ReportOffice of Behavioral Safety Research14. Sponsoring Agency Code1200 New Jersey Avenue, SEWashington, DC 2059015. Supplementary NotesAmy Berning served as the project’s Contracting Officer’s Technical Representative.The National Institute on Alcohol Abuse and Alcoholism (NIAAA) provided funding and support for the assessment ofalcohol use disorders.The National Institute on Drug Abuse (NIDA) provided funding for the collection of additional blood samples and theadministration of the drug use disorders assessment.The National Institute of Justice (NIJ) provided support for querying participants about interaction with the criminaljustice system.16. AbstractThis report presents the first national prevalence estimates for drug-involved driving derived from the recentlycompleted 2007 National Roadside Survey (NRS). The NRS is a national field survey of alcohol- and drug-involveddriving conducted primarily among nighttime weekend drivers, but also daytime Friday drivers. The survey involvedrandomly stopping drivers at 300 locations across the continental United States; sites were selected through a stratifiedrandom sampling procedure. This included data that we collected during a two-hour Friday daytime session at 60locations and during four 2-hour nighttime periods (10:00 p.m. to midnight and 1:00 a.m. to 3:00 a.m. on both Fridayand Saturday) at 240 locations. Both self-report and biological measures were taken. Biological measures includedbreath alcohol measurements on 9,413 respondents, oral fluid from 7,719 respondents, and blood samples from 3,276respondents. Oral fluid and blood samples were subjected to laboratory screening and LC/MS-MS and GC/MSconfirmation for 75 drugs and metabolites, including illegal, prescription, and over-the-counter drugs. These data wereanalyzed to develop the first national prevalence estimate of alcohol- and drug-involved driving. Two prior reports onthe 2007 NRS described: (1) the sampling plan and data collection methodology, summarizing the response patterns tothe various stages of the multi-part survey; and (2) the prevalence estimates for alcohol-involved driving derived fromthe study, and comparing them with the three previous National Roadside Surveys (NRS).17. Key Words 18. Distribution StatementAlcohol and driving, drugs and driving, roadsidesurvey, impaired driving, drugged driving, alcoholinvolveddriving, drug-involved drivingDocument is available to the public from theNational Technical Information Servicewww.ntis.gov19 Security Classif. (of this report) 20. Security Classif. (of this page) 21 No. of Pages 22. PriceUnclassified Unclassified 148Form DOT F 1700.7 (8/72)Reproduction of completed page authorizedi
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DOT HS 811 249December 2009
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2007 National Roadside Survey of Alcohol and Drug Use by Drivers

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