Proportion of fatal crashes involving a driver or pedestrian with a BAC of 0.10% or higher before and after the passage of 0.08% legal blood alcohol limit in six states
| 0.08% Law states and comparison states | Proportion before 0.08% law (n) | Proportion after 0.08% law (n) | % Change in proportion (RR) | Ratio of the RRs (95% CI) |
|---|---|---|---|---|
| BAC = blood alcohol content; CI = confidence interval; RR = relative risk. | ||||
| Kansas (0.08%) | 0.36 (664/1834) | 0.29 (589/2049) | −21% (0.79) | 0.95 (0.85 to 1.07) |
| Oklahoma | 0.36 (994/2778) | 0.30 (960/3217) | −17% (0.83) | |
| North Carolina (0.08%) | 0.36 (2217/6209) | 0.28 (1847/6512) | −21% (0.79) | 0.95 (0.89 to 1.02) |
| Tennessee | 0.40 (2021/5104) | 0.33 (1834/5546) | −16% (0.84) | |
| Florida (0.08%) | 0.38 (4568/12035) | 0.29 (3611/12537) | −24% (0.76) | 0.97 (0.92 to 1.04) |
| Georgia | 0.35 (2292/6489) | 0.28 (1882/6836) | −22% (0.78) | |
| New Mexico (0.08%) | 0.50 (1060/2115) | 0.41 (814/2003) | −19% (0.81) | 0.93 (0.84 to 1.02) |
| Colorado | 0.38 (928/2441) | 0.33 (910/2735) | −12% (0.88) | |
| New Hampshire (0.08%) | 0.35 (232/657) | 0.29 (167/572) | −17% (0.83) | 0.95 (0.79 to 1.15) |
| Connecticut | 0.42 (678/1608) | 0.37 (544/1488) | −13% (0.87) | |
| Virginia (0.08%) | 0.35 (1133/3230) | 0.31 (1037/3381) | −13% (0.87) | 0.90 (0.80 to 1.01) |
| Maryland | 0.26 (632/2415) | 0.25 (591/2326) | −3% (0.97) | |
| Overall law effect | 0.95 (0.92 to 0.99) | |||