Table 3.
Rate ratios, 95% confidence intervals, and rates for alcohol crashes involving teen and adult male drivers
| Crash types | Rate ratio | 95% CI |
Ratea |
||
| Lower | Upper | Teens | Adults | ||
| Overall | 2.41 | 2.40 | 2.42 | 14.92 | 6.19 |
| Overall alcohol | 2.13 | 2.10 | 2.16 | 0.81 | 0.38 |
| Alcohol crash types | |||||
| Passenger/speeding | 18.16 | 16.45 | 20.04 | 0.10 | 0.01 |
| Nighttime/passenger | 9.08 | 8.70 | 9.47 | 0.32 | 0.04 |
| Nighttime/weekend | 8.03 | 7.57 | 8.52 | 0.28 | 0.07 |
| Speeding/weekend | 5.44 | 5.08 | 5.84 | 0.08 | 0.02 |
| Passenger/weekend | 5.12 | 4.90 | 5.35 | 0.20 | 0.04 |
| Speeding | 5.10 | 4.87 | 5.33 | 0.19 | 0.04 |
| Passenger | 4.89 | 4.75 | 5.04 | 0.44 | 0.09 |
| Nighttime/speeding | 4.16 | 4.02 | 4.31 | 0.15 | 0.02 |
| Nighttime | 3.71 | 3.62 | 3.79 | 0.59 | 0.16 |
| Weekend | 2.40 | 2.34 | 2.47 | 0.37 | 0.15 |
| Alcohol casualty crash types | |||||
| Casualty | 2.16 | 2.10 | 2.21 | 0.39 | 0.18 |
| Casualty/speeding | 5.07 | 4.76 | 5.40 | 0.10 | 0.02 |
| Casualty/passenger | 4.62 | 4.44 | 4.82 | 0.22 | 0.05 |
| Casualty/nighttime | 3.66 | 3.53 | 3.78 | 0.29 | 0.08 |
| Casualty/weekend | 2.41 | 2.32 | 2.50 | 0.18 | 0.07 |
Notes: CI = confidence interval.
a
Rates are based on 100,000 person-miles driven.