01519606

Component

Based on the linking of the 2007 National Roadside Survey (NRS) data to the 2006-2007 Fatality Analysis Reporting System (FARS), the authors compared blood alcohol content (BAC) relative-risk (RR) estimates (i.e., crash risk at different BAC levels relative to BAC=.00) for drivers with and without previous driving while intoxicated (DWI) arrests. Following Zador et al. and Voas et al. the authors used logistic regression. The RR of a fatal crash was approximated by the odds ratio (OR) estimates yielded by the logistic regression [1] [2]. The authors found that although at low BAC levels the relative crash risk drivers with a previous DWI arrest face is very similar to that faced by the general population of drinking drivers, at high BACs however, drivers with at least one previous DWI arrest face a RR about eight times lower than those who have never been arrested for DWI The findings of this study point out to the need of paying attention not only to those drivers who are heavy drinkers and routinely drink and drive, but also to those drivers showing low frequency but high level of consumption.

This paper was sponsored by TRB committee ANB50 Alcohol, Other Drugs, and Transportation. Alternate title: Alcohol-Related Fatal Crashes: Risk for Drivers with Previous DWI

01503729

14-4813

English

11p

2014

Transportation Research Board 93rd Annual Meeting

Digital/other

Figures; References; Tables

Blood alcohol levels; Crash risk forecasting; Drunk driving; Fatalities; Logistic regression analysis; Traffic arrests

Highways; Planning and Forecasting; Safety and Human Factors; I72: Traffic and Transport Planning; I83: Accidents and the Human Factor

Transportation Research Board Annual Meeting 2014 Paper #14-4813

TRIS, TRB, ATRI

Jan 27 2014 3:41PM