Traffic Safety Facts 1999: State Alcohol Estimates
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2000-01-01
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TRIS Online Accession Number:00806984
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NTL Classification:NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Highway Safety;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:The data in this traffic safety fact sheet provide estimates of alcohol involvement in fatal crashes for the United States and individually for the 50 states, the District of Columbia, and Puerto Rico (not included in the national totals). These estimates are based on data from the National Highway Traffic Safety Administration's (NHTSA's) Fatality Analysis Reporting System (FARS). Unfortunately, known blood alcohol concentration (BAC) test results are not available for all drivers and nonoccupants involved in fatal crashes. To address the missing data issue, NHTSA has developed and employs a statistical model to estimate the likelihood that a fatal crash-involved driver or nonoccupant was sober, had some alcohol, or was intoxicated (BAC of 0.10 or greater) at the time of the crash. The statistical model was developed using all available known data in the aggregate (that is, at the national level) and applied to each individual driver and nonoccupant with an unknown BAC test result. The estimates presented include a mix of both known and estimated BACs.
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