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Percentage of students who during the past 30 days rode 1 or more times in a vehicle driven by someone who had been drinking alcohol, by geographic area according to sex: YRBS, 1991–2005, biennially.



[yrbs01.htm, updated 12/06]

<

Geographic Area/Year

Total

Female

Male

National

 

 

 

2005

28.5

29.6

27.2

CI

(26.6-30.4)

(27.2-32.0)

(25.2-29.2)

2003

30.2

31.1

29.2

CI

(28.1-32.3)

(29.1-33.1)

(26.6-31.8)

2001

30.7

29.6

31.8

CI

(28.7-32.7)

(27.5-31.7)

(29.5-34.1)

1999

33.1

31.7

34.4

CI

(30.7-35.5)

(28.8-34.6)

(31.8-37.0)

1997

36.6

34.5

38.3

CI

(34.5-38.7)

(32.3-36.7)

(35.8-40.8)

1995

38.8

37.8

39.5

CI

(34.9-42.7)

(33.5-42.1)

(35.1-43.9)

1993

35.3

34.5

36.3

CI

(32.7-37.9)

(31.4-37.6)

(33.5-39.1)

1991

39.9

39.8

40.0

CI

(37.1-42.7)

(36.9-42.7)

(37.0-43.0)

 

 

 

 

State

 

 

 

 

 

 

 

Alabama

 

 

 

2005

28.8

25.7

31.9

CI

(26.0-31.6)

(22.3-29.1)

(28.5-35.3)

2003

29.2

26.1

32.2

CI

(26.1-32.3)

(21.7-30.5)

(27.1-37.3)

2001

33.7

35.0

32.0

CI

(30.9-36.5)

(31.5-38.5)

(27.1-36.9)

1999

34.7

31.0

38.1

CI

(32.0-37.4)

(27.2-34.8)

(35.2-41.0)

1997

40.3

38.7

41.5

CI

(37.5-43.1)

(35.2-42.2)

(38.6-44.4)

1995

38.4

34.9

41.6

CI

(35.9-40.9)

(31.9-37.9)

(38.6-44.6)

1993

39.7

37.9

41.2

CI

(37.5-41.9)

(35.1-40.7)

(38.3-44.1)

1991

42.7

39.0

46.2

CI

(40.4-45.0)

(36.7-41.3)

(42.1-50.3)

 

 

 

 

Alaska

 

 

 

2005

-

-

-

CI

-

-

-

2003

25.0

25.0

24.7

CI

(22.2-27.8)

(20.4-29.6)

(21.7-27.7)

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Arizona

 

 

 

2005

34.3

34.9

33.7

CI

(32.1-36.5)

(32.2-37.6)

(30.7-36.7)

2003

35.3

36.6

33.8

CI

(32.1-38.5)

(32.7-40.5)

(29.7-37.9)

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Arkansas

 

 

 

2005

27.8

26.5

29.0

CI

(24.7-30.9)

(22.0-31.0)

(25.3-32.7)

2003

-

-

-

CI

-

-

-

2001

31.2

29.9

32.5

CI

(28.1-34.3)

(27.2-32.6)

(27.8-37.2)

1999

34.0

30.9

36.9

CI

(31.1-36.9)

(26.5-35.3)

(33.9-39.9)

1997

41.4

39.3

43.4

CI

(38.3-44.5)

(35.8-42.8)

(39.1-47.7)

1995

41.9

39.3

44.5

CI

(39.2-44.6)

(36.0-42.6)

(41.3-47.7)

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Colorado

 

 

 

2005

26.9

29.8

24.0

CI

(22.4-31.4)

(24.5-35.1)

(18.9-29.1)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

38.0

38.6

37.4

CI

(34.6-41.4)

(34.4-42.8)

(33.7-41.1)

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Connecticut

 

 

 

2005

29.7

31.9

27.5

CI

(27.3-32.1)

(28.9-34.9)

(24.1-30.9)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

38.3

38.4

38.2

CI

(35.1-41.5)

(34.2-42.6)

(34.6-41.8)

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Delaware

 

 

 

2005

26.7

26.6

27.1

CI

(24.7-28.7)

(23.9-29.3)

(24.2-30.0)

2003

29.1

28.0

30.1

CI

(27.1-31.1)

(25.7-30.3)

(27.4-32.8)

2001

29.2

26.7

32.0

CI

(27.2-31.2)

(24.3-29.1)

(29.1-34.9)

1999

32.4

31.9

32.9

CI

(29.6-35.2)

(28.3-35.5)

(29.5-36.3)

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

District of Columbia

 

 

 

2005

24.1

23.1

24.8

CI

(22.1-26.1)

(20.6-25.6)

(21.6-28.0)

2003

29.1

26.4

31.9

CI

(26.4-31.8)

(23.1-29.7)

(28.2-35.6)

2001

-

-

-

CI

-

-

-

1999

31.4

28.9

34.4

CI

(28.6-34.2)

(25.8-32.0)

(30.2-38.6)

1997

34.6

29.4

40.1

CI

(31.7-37.5)

(25.9-32.9)

(35.8-44.4)

1995

-

-

-

CI

-

-

-

1993

32.9

31.3

34.6

CI

(30.5-35.3)

(28.6-34.0)

(30.9-38.3)

1991

-

-

-

CI

-

-

-

 

 

 

 

Florida

 

 

 

2005

27.2

27.5

26.5

CI

(25.4-29.0)

(25.3-29.7)

(24.1-28.9)

2003

30.4

31.2

29.6

CI

(29.0-31.8)

(29.4-33.0)

(27.1-32.1)

2001

31.5

30.3

32.5

CI

(29.0-34.0)

(27.4-33.2)

(29.8-35.2)

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Georgia

 

 

 

2005

26.7

26.4

26.9

CI

(23.5-29.9)

(21.2-31.6)

(23.2-30.6)

2003

24.0

23.5

24.4

CI

(21.2-26.8)

(19.8-27.2)

(21.1-27.7)

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Hawaii

 

 

 

2005

33.0

36.3

29.7

CI

(30.2-35.8)

(33.0-39.6)

(25.3-34.1)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

38.3

36.6

40.1

CI

(33.3-43.3)

(30.2-43.0)

(35.0-45.2)

1997

36.1

37.0

35.1

CI

(32.6-39.6)

(33.0-41.0)

(30.4-39.8)

1995

37.6

38.7

36.7

CI

(34.2-41.0)

(34.3-43.1)

(33.1-40.3)

1993

36.3

35.9

36.6

CI

(33.3-39.3)

(31.6-40.2)

(32.7-40.5)

1991

-

-

-

CI

-

-

-

 

 

 

 

Idaho

 

 

 

2005

27.7

28.8

26.6

CI

(23.6-31.8)

(24.1-33.5)

(21.1-32.1)

2003

24.1

24.2

24.0

CI

(20.2-28.0)

(20.8-27.6)

(18.7-29.3)

2001

28.7

27.2

29.7

CI

(26.1-31.3)

(23.9-30.5)

(26.3-33.1)

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Indiana

 

 

 

2005

24.6

21.6

27.4

CI

(21.1-28.1)

(18.0-25.2)

(22.4-32.4)

2003

28.3

27.1

29.4

CI

(25.9-30.7)

(23.1-31.1)

(25.8-33.0)

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Iowa

 

 

 

2005

30.6

32.0

29.4

CI

(26.1-35.1)

(26.9-37.1)

(23.4-35.4)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

40.4

38.7

42.0

CI

(37.7-43.1)

(34.3-43.1)

(38.7-45.3)

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Kansas

 

 

 

2005

29.2

27.7

30.3

CI

(25.9-32.5)

(24.2-31.2)

(25.1-35.5)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Kentucky

 

 

 

2005

22.0

20.6

23.4

CI

(20.3-23.7)

(18.8-22.4)

(20.8-26.0)

2003

25.5

23.7

27.0

CI

(23.2-27.8)

(20.2-27.2)

(23.5-30.5)

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

35.9

30.2

41.5

CI

(31.4-40.4)

(26.4-34.0)

(35.4-47.6)

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Louisiana

 

 

 

2005

-

-

-

CI

-

-

-

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

45.7

44.5

46.6

CI

(43.0-48.4)

(41.1-47.9)

(43.9-49.3)

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Maine

 

 

 

2005

25.2

24.2

26.4

CI

(21.6-28.8)

(20.4-28.0)

(21.1-31.7)

2003

24.2

22.9

25.1

CI

(20.5-27.9)

(18.8-27.0)

(20.3-29.9)

2001

27.4

27.3

27.4

CI

(24.3-30.5)

(22.6-32.0)

(24.7-30.1)

1999

-

-

-

CI

-

-

-

1997

34.0

32.1

35.5

CI

(31.3-36.7)

(28.8-35.4)

(33.1-37.9)

1995

34.2

33.0

35.5

CI

(30.5-37.9)

(28.7-37.3)

(30.6-40.4)

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Maryland

 

 

 

2005

25.0

24.7

25.3

CI

(21.1-28.9)

(20.2-29.2)

(20.6-30.0)

2003

-

-

-

CI

-

-

-

2001

-

-

-

CI

-

-

-

1999

-

-

-

CI

-

-

-

1997

-

-

-

CI

-

-

-

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Massachusetts

 

 

 

2005

27.2

26.8

27.5

CI

(25.6-28.8)

(25.0-28.6)

(24.9-30.1)

2003

27.5

28.0

27.1

CI

(24.9-30.1)

(25.0-31.0)

(24.0-30.2)

2001

30.5

28.7

32.3

CI

(28.6-32.4)

(26.4-31.0)

(29.7-34.9)

1999

33.4

31.7

35.0

CI

(30.9-35.9)

(28.9-34.5)

(32.0-38.0)

1997

35.4

35.0

35.8

CI

(33.5-37.3)

(32.2-37.8)

(33.7-37.9)

1995

36.6

33.4

39.6

CI

(34.4-38.8)

(30.5-36.3)

(37.1-42.1)

1993

32.5

31.6

33.3

CI

(30.0-35.0)

(28.5-34.7)

(30.4-36.2)

1991

-

-

-

CI

-

-

-

 

 

 

 

Michigan

 

 

 

2005

24.9

25.3

24.4

CI

(22.1-27.7)

(22.6-28.0)

(20.8-28.0)

2003

29.6

29.3

29.8

CI

(27.4-31.8)

(26.7-31.9)

(27.1-32.5)

2001

32.1

32.6

31.2

CI

(28.6-35.6)

(28.4-36.8)

(28.0-34.4)

1999

33.6

30.8

36.3

CI

(30.9-36.3)

(27.6-34.0)

(32.7-39.9)

1997

37.1

36.7

37.4

CI

(33.3-40.9)

(32.1-41.3)

(33.3-41.5)

1995

-

-

-

CI

-

-

-

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Mississippi

 

 

 

2005

-

-

-

CI

-

-

-

2003

30.9

30.0

32.0

CI

(28.2-33.6)

(26.4-33.6)

(28.9-35.1)

2001

35.0

33.0

37.1

CI

(31.8-38.2)

(28.2-37.8)

(33.2-41.0)

1999

39.8

38.1

41.3

CI

(36.2-43.4)

(34.0-42.2)

(36.6-46.0)

1997

41.3

38.5

44.2

CI

(37.8-44.8)

(32.9-44.1)

(40.9-47.5)

1995

44.6

41.4

47.7

CI

(40.0-49.2)

(35.4-47.4)

(42.8-52.6)

1993

42.6

39.1

46.4

CI

(38.9-46.3)

(34.9-43.3)

(41.1-51.7)

1991

-

-

-

CI

-

-

-

 

 

 

 

Missouri

 

 

 

2005

25.0

25.2

24.6

CI

(22.1-27.9)

(20.8-29.6)

(22.0-27.2)

2003

31.7

33.0

30.3

CI

(28.2-35.2)

(27.8-38.2)

(27.0-33.6)

2001

32.6

30.3

34.8

CI

(29.2-36.0)

(25.3-35.3)

(31.9-37.7)

1999

35.1

33.1

37.1

CI

(31.8-38.4)

(28.8-37.4)

(33.3-40.9)

1997

39.8

40.3

39.2

CI

(36.9-42.7)

(36.9-43.7)

(34.9-43.5)

1995

45.2

43.3

47.0

CI

(42.6-47.8)

(40.0-46.6)

(44.4-49.6)

1993

-

-

-

CI

-

-

-

1991

-

-

-

CI

-

-

-

 

 

 

 

Montana

 

 

 

2005

34.4

34.5

33.9

CI

(31.9-36.9)

(31.2-37.8)

(30.6-37.2)

2003

36.9

36.4

37.0

CI

(34.0-39.8)

(32.8-40.0)

(33.6-40.4)

2001

39.3

39.0

39.5

CI

(36.5-42.1)

(35.3-42.7)

(35.3-43.7)

1999

43.1

42.9

43.2

CI

(40.5-45.7)

(39.8-46.0)

(39.9-46.5)

1997

46.6

46.2