[ythdrk6b.txt, updated 11/07]

YRBS: Prevalence of binge drinking in the past 30 days, by grade and sex,
United States, 1991-2005.

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                                         Grade
Sex,     ------------------------------------------------------------------
and       Total       9th grade     10th grade    11th grade    12th grade
Year   Percent S.E.  Percent S.E.  Percent S.E.  Percent S.E.  Percent S.E.
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Both Sexes
2005     25.5  1.1     19.0  1.1     24.6  1.6     27.6  1.6     32.8  1.7
2003     28.3  1.0     19.8  1.2     27.4  1.5     31.8  1.6     37.2  1.2
2001     29.9  1.0     24.5  1.4     28.2  1.3     32.2  1.7     36.7  1.9
1999     31.5  1.0     21.1  1.1     32.2  1.6     34.0  1.5     41.6  2.8
1997     33.4  1.1     25.7  2.0     29.9  1.9     37.5  1.5     39.3  2.4
1995     32.6  1.5     24.5  1.8     30.3  2.0     34.9  2.0     39.0  1.9
1993     30.0  1.0     22.0  1.0     26.2  1.3     31.3  1.7     39.1  1.6
1991     31.3  1.7     22.6  2.0     27.1  1.8     36.3  2.5     39.3  2.7

Male
2005     27.5  1.3     20.7  1.7     25.1  1.8     30.4  2.0     36.2  1.8
2003     29.0  1.1     18.8  1.4     27.7  1.8     34.1  2.0     39.5  1.9
2001     33.5  1.5     26.2  2.2     30.1  1.8     38.5  2.4     42.0  2.2
1999     34.9  1.3     21.7  1.9     33.4  2.8     38.8  2.9     49.5  2.8
1997     37.3  1.2     25.5  2.8     32.7  1.5     45.2  2.3     44.0  2.9
1995     36.2  1.5     27.6  2.6     32.1  2.2     37.8  2.4     46.5  2.1
1993     33.7  1.1     24.0  1.6     27.2  1.5     37.1  2.2     45.0  2.3
1991     36.5  2.1     24.8  2.5     31.4  2.2     44.1  3.3     45.8  3.5

Female
2005     23.5  1.2     17.3  1.4     24.1  1.8     25.0  1.7     29.2  2.0
2003     27.5  1.1     20.9  1.7     27.2  1.8     29.4  1.7     34.5  1.8
2001     26.4  1.0     23.0  1.6     26.3  1.5     26.1  1.5     31.8  2.5
1999     28.1  1.0     20.2  1.6     31.1  1.8     29.0  2.5     33.9  3.0
1997     28.6  1.4     25.8  2.5     26.3  3.7     28.2  2.1     33.6  2.5
1995     28.6  2.0     20.2  1.7     28.3  2.8     31.8  2.8     31.6  2.4
1993     26.0  1.1     19.7  1.6     25.3  1.6     25.1  1.4     33.0  1.8
1991     25.9  1.3     20.4  2.1     22.3  2.1     28.1  2.3     32.8  2.4
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Source: Alcohol Epidemiologic Data System. Newes-Adeyi, G.; Chen, C.M.;
        Williams, G.D.; and Faden, V.B. Surveillance Report #81: Trends in
        Underage Drinking in the United States, 1991-2005. Bethesda, MD:
        National Institute on Alcohol Abuse and Alcoholism, Division of
        Epidemiology and Prevention Research (October 2007).