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原文传递 Traffic Safety Facts, 2004 Data: State Alcohol Estimates.

题名：	Traffic Safety Facts, 2004 Data: State Alcohol Estimates.
关键词：	DRINKING DRIVERS; MOTOR VEHICLE ACCIDENTS; TRAFFIC SAFETY; UNITED STATES
摘要：	The following data provides estimate 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 form NHTSA's Fatality Analysis Reporting System (FARS). Unfortunately, blood alcohol concentration (BAC) test results are not available for all drivers and non-occupants involved in fatal crashes. Missing data can result for a number of reasons, the most common being that people are not always tested for alcohol. To address the missing data issue, NHTSA has developed and employed a statistical model to estimate the likelihood that a fatal crash-involved driver or non-occupant was sober, had some alcohol, or was intoxicated at the time of the crash. The statistical model is based on important characteristics of the crash including crash factors (time of day, day of week, type of crash, location), vehicle factors (vehicle type and role in the crash), and person factors (age, sex, restraint use, pervious driving violations), and whether or not the state had a 21-year-old minimum-drinking age law.
报告类型：	科技报告