Effects of recent 0.08% legal blood alcohol limits on fatal crash involvement.

Boston University School of Public Health: Social and Behavioral Sciences Department, MA 02118, USA.
Injury Prevention (Impact Factor: 1.76). 07/2000; 6(2):109-14. DOI: 10.1136/ip.6.2.109
Source: PubMed

ABSTRACT This study assessed whether states that lowered legal blood alcohol limits from 0.10% to 0.08% in 1993 and 1994 experienced post-law reductions in alcohol related fatal crashes.
Six states that adopted 0.08% as the legal blood alcohol limit in 1993 and 1994 were paired with six nearby states that retained a 0.10% legal standard. Within each pair, comparisons were made for the maximum equal available number of pre-law and post-law years.
States adopting 0.08% laws experienced a 6% greater post-law decline in the proportion of drivers in fatal crashes with blood alcohol levels at 0.10% or higher and a 5% greater decline in the proportion of fatal crashes that were alcohol related at 0.10% or higher.
If all states adopted the 0.08% legal blood alcohol level, 400-500 fewer traffic fatalities would occur annually.

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