Table 1 Prevalence of alcohol and marijuana in drivers who died within 1 hour of crash by age, FARS, selected states, 1999 to 2010
Age | Number of drivers tested | Percent alcohol only involved | Absolute change in percent for each year of age | Percent Marijuana only involved | Absolute change in percent for each year of age | Alcohol and marijuana involved | Absolute change in percent for each year of age |
|---|---|---|---|---|---|---|---|
16 | 280 | 15 | Â | 4.6 | Â | 3.9 | Â |
17 | 473 | 18.2 | 3.2 | 9.9 | 5.3 | 5.9 | 2 |
18 | 770 | 24.8 | 6.6 | 8.2 | −1.7 | 5.8 | −0.1 |
19 | 825 | 28.4 | 3.6 | 7.4 | −0.8 | 6.8 | 1 |
20 | 811 | 35.6 | 7.2 | 6.7 | −0.7 | 6.9 | 0.1 |
21 | 973 | 42.3 | 6.7 | 5.2 | −1.5 | 8.7 | 1.8 |
22 | 875 | 43.4 | 1.1 | 4.7 | −0.7 | 8 | −0.7 |
23 | 769 | 44 | 0.6 | 4.8 | 0.1 | 9.8 | 1.8 |
24 | 758 | 47.6 | 3.6 | 4.5 | −0.3 | 8.6 | −1.2 |
25 | 657 | 47.3 | −0.3 | 3.8 | −0.7 | 8.1 | −0.5 |
Total | 7,191 | 36.8 | Â | 5.9 | Â | 7.6 | Â |