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NCJ Number: 184533 Find in a Library
Title: Effects of Ignition Interlock License Restrictions on Drivers With Multiple Alcohol Offenses: A Randomized Trial in Maryland
Journal: American Journal of Public Health  Volume:89  Issue:11  Dated:November 1999  Pages:1696-1700
Author(s): Kenneth H. Beck Ph.D.; William J. Rauch D.A.; Elizabeth A. Baker Ph.D.; Allan F. Williams Ph.D.
Date Published: November 1999
Page Count: 5
Sponsoring Agency: Insurance Institute for Highway Safety
Washington, DC 20037
Document: HTML|PDF
Publisher: http://www.apha.org/ 
Type: Program/Project Evaluation
Format: Article
Language: English
Country: United States of America
Annotation: This study tested the effectiveness of a statewide ignition interlock license restriction program for drivers with multiple alcohol-related offenses.
Abstract: Ignition interlock devices that are connected to breath analyzers are a countermeasure that has only recently been investigated. In theory, an interlock device prevents an intoxicated individual from starting a motor vehicle. It is an automated system designed to control intersecting risk behaviors (drinking and driving) rather than either behavior separately. In the current study, a total of 1,387 multiple offenders eligible for license reinstatement were randomly assigned to participate in an ignition interlock program (experimental group). The arrest rates of these two groups for alcohol traffic offenses were compared for 1 year during the ignition interlock license restriction program and for 1 year after unrestricted driving privileges were returned. The study found that participation in the interlock program reduced offenders' risk of committing an alcohol traffic violation within the first year by about 65 percent. The alcohol traffic violation rate during the first year was significantly less for participants in the program (2.4 percent) than for those in the control group (6.7 percent); however, there was no statistically significant difference between these groups in the second year, after the interlock license restriction was lifted. 1 table, 2 figures, and 16 references
Main Term(s): Drug prevention programs
Index Term(s): Crime specific countermeasures; Driving Under the Influence (DUI); Drunk driver programs; Maryland; Science and Technology
Note: Free online PDF and HTML access to the American Journal of Public Health is provided by the publisher 24 months after individual issues are released.
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http://www.ncjrs.gov/App/publications/abstract.aspx?ID=184533

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