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Measuring the propensity to drink and drive
Anthony M Bertelli1, Lilliard E Richardson
1Department of Public Administration, University of Georgia, USA.
Evaluation Review
|May 5, 2007
Summary
This study introduces a new way to measure drink-driving propensity using national survey data. This helps understand the effectiveness of laws aimed at reducing impaired driving incidents.
Area of Science:
- Public Health
- Criminology
- Behavioral Science
Background:
- Existing laws like .08 blood alcohol content (BAC) and open container regulations aim to curb impaired driving.
- Assessing the true incidence of drinking and driving is challenging as most trips go undetected, unlike other crimes.
Purpose of the Study:
- To develop and validate a novel measure for quantifying drink-driving propensity.
- To analyze the relationship between this measure and state-level law enforcement strategies.
Main Methods:
- Utilized national survey data to estimate an item response model.
- Developed a new metric for drink-driving propensity based on survey responses.
Main Results:
- Successfully created a novel measure for drink-driving propensity.
- Demonstrated the application of this measure at both aggregate and state levels.
Conclusions:
- The developed measure offers a new approach to assessing drink-driving behavior.
- Findings can inform policy and law enforcement strategies for impaired driving reduction.
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