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Sadler, D. D.; Perrine, M. W.; and Peck, R. C. Accident Analysis and Prevention, vol. 23, pgs. 203-224 (1991) During the 4-year period following a repeat driving under the influence (DUI) conviction, participants in 12-month treatment programs had worse overall traffic safety records than did recipients of license suspensions. The results from a series of analyses using repeated measures analysis of covariance showed that, in comparison with license- suspension recipients: (1) participants had significantly higher rates (70 percent) of nonalcohol-related accidents and convictions; (2) participants had significantly lower rates (9 percent) of alcohol- related convictions, but no difference was found on alcohol- related accidents; and (3) participants had a significantly higher rate (30 percent) of total accidents. These results suggest that the use of license-suspension waiver as an incentive to participate in a drinking driver program had a negative impact on traffic safety. The predicted reduction in alcohol-related accidents among program participants did not occur, and reductions in nonalcohol-related accidents, which could have been achieved with license suspensions, were sacrificed. It was recommended that some other alternative besides license-suspension waivers be used as an inducement for repeat DUI offenders to participate in treatment.
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