Table 11 | National Institute on Alcohol Abuse and Alcoholism (NIAAA)

Table 11

Table 11. Percentage distributions of blood alcohol concentration (BAC) level among alcohol-involved drivers1, according to sex and age, United States, 1998 and 2004.
Sex, year, and ageBAC level2
0.01–.040.05–.070.08–.090.10–.140.15–.190.20–.240.25–.290.30+
Both Sexes
2004
Under 2110.610.69.526.921.413.85.21.9
21–247.77.96.824.124.717.38.13.4
25–347.17.16.321.525.219.29.04.7
35–446.85.76.219.423.020.111.57.3
45+8.77.96.519.722.117.710.86.5
Total37.97.66.921.923.417.99.35.1
1998
Under 2112.312.69.626.221.611.74.11.9
21–246.68.87.325.426.415.96.92.7
25–347.27.36.420.925.417.810.05.0
35–446.96.55.418.123.419.012.87.8
45+10.97.26.318.021.717.310.87.8
Total38.48.16.821.223.916.89.55.5
Male
2004
Under 2110.39.99.026.622.214.85.31.9
21–247.47.77.024.125.117.28.03.4
25–346.96.96.321.625.419.38.94.7
35–446.85.56.019.922.920.011.57.4
45+8.37.96.519.521.818.211.46.5
Total37.77.46.821.923.618.29.45.1
1998
Under 2112.312.19.926.721.211.64.12.1
21–246.28.77.325.226.616.37.02.7
25–347.07.06.321.025.817.710.25.2
35–446.56.05.518.124.019.212.88.0
45+10.36.86.117.621.618.011.28.3
Total38.17.76.721.124.117.09.65.6
Female
2004
Under 2112.314.111.728.517.49.14.92.0
21–249.69.05.924.222.217.48.63.0
25–347.98.26.420.623.918.79.54.8
35–446.86.66.917.023.420.711.67.0
45+11.07.86.720.923.715.48.26.3
Total39.38.77.221.522.616.88.95.0
1998
Under 2112.915.57.623.723.512.03.81.0
21–249.29.67.526.525.213.26.02.7
25–348.28.67.220.723.718.39.04.2
35–448.28.35.218.321.518.412.97.4
45+13.89.17.420.222.413.38.65.2
Total39.99.66.821.023.016.09.04.7