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Home » Publications » Surveillance Reports » Surveillance Report #96
Table 1-3. YRBS: Prevalence of drinking in the past 30 days, by grade and sex, United States, 1991–2011.
Sex and Year Grade
Total 9th grade 10th grade 11th grade 12th grade
Percent S.E. Percent S.E. Percent S.E. Percent S.E. Percent S.E.
Both Sexes
2011 38.7 0.8 29.8 1.3 35.7 1.4 42.7 1.3 48.4 1.3
2009 41.8 0.8 31.5 1.3 40.6 1.4 45.7 2.0 51.7 1.4
2007 44.7 1.2 35.7 1.1 41.8 1.7 49.0 1.8 54.9 2.1
2005 43.3 1.4 36.2 1.2 42.0 1.9 46.0 2.0 50.8 2.1
2003 44.9 1.2 36.2 1.4 43.5 1.7 47.0 2.1 55.9 1.6
2001 47.1 1.1 41.1 1.8 45.2 1.3 49.3 1.7 55.2 1.5
1999 50.0 1.3 40.6 2.2 49.7 1.9 50.9 2.0 61.7 2.3
1997 50.8 1.4 44.2 3.1 47.2 2.2 53.2 1.5 57.3 2.5
1995 51.6 1.2 45.6 1.9 49.5 2.4 53.7 1.5 56.5 1.6
1993 48.0 1.1 40.5 1.8 44.0 2.0 49.7 1.7 56.4 1.3
1991 50.8 1.7 40.9 2.6 47.8 1.7 54.5 2.0 59.9 2.2
Male
2011 39.5 0.9 29.3 1.7 34.4 1.8 45.2 1.8 51.2 1.6
2009 40.8 1.1 28.4 1.9 40.1 2.0 45.7 2.5 52.6 2.1
2007 44.7 1.4 34.3 2.1 41.4 2.1 51.5 1.7 55.6 2.8
2005 43.8 1.4 36.3 1.7 41.4 2.3 47.8 2.1 52.0 2.1
2003 43.8 1.3 33.9 1.8 42.2 1.9 47.3 2.2 56.0 1.9
2001 49.2 1.4 42.2 2.3 46.9 1.6 53.6 2.2 56.6 1.6
1999 52.3 1.5 40.2 2.2 52.7 3.0 53.5 2.9 66.6 2.3
1997 53.3 1.2 44.7 3.8 48.7 2.0 57.8 1.5 60.2 2.9
1995 53.2 1.3 46.9 2.4 50.4 3.1 55.5 2.0 59.5 1.9
1993 50.1 1.2 40.2 2.2 44.1 2.2 53.6 2.2 60.5 2.1
1991 52.7 2.0 40.2 3.5 48.9 1.8 58.5 2.7 62.8 2.9
Female
2011 37.9 0.9 30.3 1.6 37.1 1.6 40.1 1.6 45.4 1.9
2009 42.9 0.9 35.3 1.7 41.2 1.5 45.6 2.1 50.7 1.4
2007 44.6 1.4 37.2 2.0 42.3 2.2 46.5 2.3 54.2 2.2
2005 42.8 1.6 36.2 1.7 42.7 1.9 44.2 2.5 49.6 2.6
2003 45.8 1.3 38.5 1.7 44.9 1.8 46.8 2.4 55.5 2.0
2001 45.0 1.1 40.0 2.1 43.5 1.6 45.1 1.5 53.9 2.2
1999 47.7 1.5 41.0 3.0 46.8 1.7 48.3 2.6 56.9 3.0
1997 47.8 2.0 43.7 3.4 45.3 3.8 47.8 3.2 53.7 2.8
1995 49.9 1.8 43.7 2.9 48.6 2.7 51.8 2.6 53.6 2.6
1993 45.9 1.3 40.5 2.8 44.0 2.2 45.9 2.1 52.0 1.7
1991 48.8 1.6 41.5 2.6 46.6 2.4 50.2 2.1 56.9 2.0

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