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Youth Substance  Use: State Estimates From the 1999 National Household Survey on Drug Abuse

Appendix C: Sample-Based Estimates

In this report, the State estimates include both model-based estimates and sample-based estimates. The tables in this appendix represent sample-based estimates, which were restricted to scales and other continuous data that resulted in more precise estimates than questions having only "yes" or "no" answers. Still, the smaller sample sizes in the 42 States and the District of Columbia and the wide range of responses for some of the variables sometimes resulted in sample-based estimates with sizable sampling errors. Therefore, it is important to use the 95 percent confidence interval associated with each State sample-based estimate when making inferences about it.

The sample-based estimates in the average age at first use tables (Tables C.1, C.3, C.5, C.12, C.16, C.17, C.18) are based on special considerations. Specifically, when estimating the average age at first use, using only those who were 12 to 17 in 1999 was also considered because their earlier behavior would have a more direct bearing on their current use. However, there was concern that, for some youths, the age at first use might have occurred as early as 1990 or as late as 1999, and thus not present a summary of more "recent" experience. In addition, given the small age span, there is little differentiation in the average age at first use, which makes it difficult to analyze differences in the patterns in different subgroups. For example, in 1999, the average ages at first use among youths aged 12 to 17 were 12.3 years for cigarettes, 12.9 years for alcohol, and 13.6 years for marijuana (data not shown in tables). Even if the measures were limited to youths aged 12 to 17, the true average age at first use among all youths (i.e., persons aged 0 to 17) would be significantly underestimated for cigarettes and alcohol because significant numbers of youths aged 10 and 11 initiate alcohol or cigarettes. For these reasons, the summary was limited to relatively "recent" initiation in the years 1995 to 1997, even though it would be less directly related to "explaining" current use among youths.

10629

Table C.1 Average Age at First Alcohol Use Among Persons Reporting First Use of Alcohol at Age 25 or Younger in 1995 to 1997, by State: 1999

State

Average Age

95% C.I.

State

Average Age

95% C.I.

National

15.7

(15.6 -15.8)

Missouri

15.6

(14.6 -16.6)

Alabama

15.6

(14.8 -16.3)

Montana

14.8

(14.5 -15.1)

Alaska

15.3

(14.7 -15.8)

Nebraska

15.6

(15.0 -16.2)

Arizona

15.1

(14.3 -15.8)

Nevada

15.1

(14.4 -15.8)

Arkansas

15.5

(14.8 -16.2)

New Hampshire

15.5

(14.6 -16.5)

California

15.7

(15.5 -16.0)

New Jersey

15.9

(15.4 -16.4)

Colorado

15.1

(14.5 -15.6)

New Mexico

15.8

(15.1 -16.4)

Connecticut

15.6

(14.6 -16.5)

New York

15.5

(15.1 -16.0)

Delaware

15.6

(15.0 -16.1)

North Carolina

15.7

(15.3 -16.2)

District of Columbia

16.5

(15.3 -17.7)

North Dakota

15.1

(14.4 -15.8)

Florida

15.9

(15.5 -16.3)

Ohio

15.5

(15.3 -15.8)

Georgia

16.0

(15.4 -16.6)

Oklahoma

15.1

(14.3 -15.9)

Hawaii

15.4

(14.8 -16.1)

Oregon

15.3

(14.6 -16.1)

Idaho

15.7

(15.3 -16.1)

Pennsylvania

15.8

(15.5 -16.1)

Illinois

15.8

(15.4 -16.2)

Rhode Island

14.9

(14.3 -15.4)

Indiana

16.2

(15.8 -16.6)

South Carolina

16.2

(15.4 -17.0)

Iowa

15.8

(15.0 -16.5)

South Dakota

15.1

(14.7 -15.4)

Kansas

15.4

(14.8 -16.0)

Tennessee

16.0

(15.5 -16.5)

Kentucky

15.7

(15.3 -16.1)

Texas

15.8

(15.5 -16.1)

Louisiana

15.5

(14.7 -16.2)

Utah

15.7

(15.1 -16.3)

Maine

15.6

(15.0 -16.2)

Vermont

15.0

(14.5 -15.5)

Maryland

15.7

(14.7 -16.7)

Virginia

16.0

(15.5 -16.6)

Massachusetts

15.6

(15.1 -16.2)

Washington

15.4

(14.7 -16.2)

Michigan

15.7

(15.4 -16.0)

West Virginia

15.6

(15.1 -16.2)

Minnesota

15.6

(15.2 -16.0)

Wisconsin

15.4

(15.0 -15.7)

Mississippi

16.3

(15.8 -16.8)

Wyoming

15.2

(14.3 -16.1)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10702

Table C.2 Average Scale Scores of Alcohol Dependence Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

0.58

(0.56 -0.60)

Missouri

0.54

(0.39 -0.70)

Alabama

0.47

(0.32 -0.62)

Montana

0.84

(0.68 -1.00)

Alaska

0.65

(0.50 -0.80)

Nebraska

0.58

(0.44 -0.73)

Arizona

0.76

(0.58 -0.94)

Nevada

0.73

(0.56 -0.89)

Arkansas

0.61

(0.48 -0.74)

New Hampshire

0.59

(0.45 -0.74)

California

0.56

(0.50 -0.63)

New Jersey

0.60

(0.44 -0.76)

Colorado

0.70

(0.54 -0.87)

New Mexico

0.67

(0.48 -0.87)

Connecticut

0.72

(0.52 -0.93)

New York

0.61

(0.49 -0.72)

Delaware

0.73

(0.52 -0.95)

North Carolina

0.47

(0.34 -0.60)

District of Columbia

0.50

(0.17 -0.84)

North Dakota

0.96

(0.74 -1.17)

Florida

0.44

(0.37 -0.51)

Ohio

0.54

(0.47 -0.61)

Georgia

0.49

(0.41 -0.58)

Oklahoma

0.53

(0.38 -0.68)

Hawaii

0.55

(0.37 -0.74)

Oregon

0.60

(0.43 -0.77)

Idaho

0.53

(0.42 -0.64)

Pennsylvania

0.54

(0.47 -0.61)

Illinois

0.61

(0.53 -0.69)

Rhode Island

0.56

(0.40 -0.71)

Indiana

0.56

(0.46 -0.66)

South Carolina

0.55

(0.39 -0.72)

Iowa

0.73

(0.61 -0.84)

South Dakota

0.80

(0.62 -0.99)

Kansas

0.52

(0.36 -0.67)

Tennessee

0.40

(0.29 -0.52)

Kentucky

0.54

(0.43 -0.66)

Texas

0.59

(0.52 -0.66)

Louisiana

0.60

(0.41 -0.78)

Utah

0.37

(0.24 -0.49)

Maine

0.54

(0.39 -0.69)

Vermont

0.60

(0.46 -0.73)

Maryland

0.64

(0.48 -0.80)

Virginia

0.46

(0.32 -0.60)

Massachusetts

0.78

(0.60 -0.96)

Washington

0.57

(0.43 -0.71)

Michigan

0.55

(0.49 -0.61)

West Virginia

0.62

(0.45 -0.78)

Minnesota

0.63

(0.45 -0.80)

Wisconsin

0.76

(0.60 -0.92)

Mississippi

0.66

(0.51 -0.81)

Wyoming

0.77

(0.63 -0.91)

*Low precision; no estimate reported.

NOTE: A respondent who answered "Yes" to three or more of the seven alcohol criteria for dependence listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) would be considered alcohol dependent. Respondents were assigned a score of 1 if they answered "no" to all seven questions, and a score of 8 if they answered "yes" to all the questions. A respondent who has not used alcohol in the past year was assigned a score of zero.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10629

Table C.3 Average Age at First Cigarette Use Among Persons Reporting First Use of Cigarettes at Age 25 or Younger in 1995 to 1997, by State: 1999

State

Average Age

95% C.I.

State

Average Age

95% C.I.

National

15.0

(14.9 -15.1)

Missouri

15.2

(14.5 -15.9)

Alabama

15.0

(14.1 -15.9)

Montana

14.4

(13.8 -14.9)

Alaska

14.4

(13.7 -15.1)

Nebraska

15.4

(14.7 -16.0)

Arizona

14.4

(13.5 -15.3)

Nevada

14.1

(13.3 -14.9)

Arkansas

15.2

(13.7 -16.8)

New Hampshire

16.6

(15.3 -18.0)

California

15.4

(15.1 -15.8)

New Jersey

15.3

(14.7 -15.8)

Colorado

14.2

(13.5 -15.0)

New Mexico

14.8

(14.3 -15.3)

Connecticut

15.2

(14.0 -16.4)

New York

15.5

(14.9 -16.1)

Delaware

14.4

(13.8 -14.9)

North Carolina

14.8

(13.9 -15.7)

District of Columbia

16.0

(15.2 -16.8)

North Dakota

15.2

(14.4 -15.9)

Florida

14.9

(14.5 -15.2)

Ohio

15.3

(14.9 -15.6)

Georgia

14.7

(14.0 -15.4)

Oklahoma

14.8

(13.7 -15.9)

Hawaii

15.5

(14.1 -16.8)

Oregon

14.7

(13.3 -16.0)

Idaho

14.5

(13.9 -15.2)

Pennsylvania

14.7

(14.4 -15.1)

Illinois

15.2

(14.9 -15.6)

Rhode Island

14.2

(13.4 -15.0)

Indiana

15.0

(14.2 -15.9)

South Carolina

15.0

(14.0 -16.0)

Iowa

15.3

(14.6 -16.1)

South Dakota

15.3

(14.1 -16.5)

Kansas

15.4

(14.5 -16.3)

Tennessee

14.9

(14.4 -15.5)

Kentucky

14.2

(13.6 -14.8)

Texas

15.0

(14.7 -15.3)

Louisiana

15.0

(13.9 -16.1)

Utah

15.3

(14.2 -16.3)

Maine

15.1

(14.4 -15.8)

Vermont

14.9

(14.0 -15.9)

Maryland

14.7

(13.8 -15.7)

Virginia

14.8

(14.2 -15.5)

Massachusetts

14.6

(14.1 -15.1)

Washington

15.1

(13.9 -16.3)

Michigan

15.0

(14.5 -15.5)

West Virginia

15.1

(14.7 -15.6)

Minnesota

14.8

(14.1 -15.4)

Wisconsin

14.8

(14.3 -15.3)

Mississippi

14.6

(13.8 -15.4)

Wyoming

14.5

(13.9 -15.2)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10702

Table C.4 Average Scale Scores of Cigarette Dependence Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

0.56

(0.54 -0.58)

Missouri

0.59

(0.39 -0.78)

Alabama

0.58

(0.35 -0.80)

Montana

0.84

(0.65 -1.02)

Alaska

0.64

(0.45 -0.83)

Nebraska

0.53

(0.38 -0.68)

Arizona

0.60

(0.40 -0.81)

Nevada

0.63

(0.35 -0.92)

Arkansas

0.80

(0.56 -1.04)

New Hampshire

0.51

(0.33 -0.69)

California

0.36

(0.32 -0.41)

New Jersey

0.46

(0.34 -0.58)

Colorado

0.66

(0.44 -0.88)

New Mexico

0.65

(0.38 -0.91)

Connecticut

0.54

(0.33 -0.76)

New York

0.46

(0.34 -0.57)

Delaware

0.93

(0.64 -1.22)

North Carolina

0.71

(0.44 -0.98)

District of Columbia

0.31

(0.12 -0.51)

North Dakota

0.87

(0.75 -0.99)

Florida

0.39

(0.31 -0.47)

Ohio

0.65

(0.55 -0.75)

Georgia

0.64

(0.50 -0.78)

Oklahoma

0.68

(0.51 -0.85)

Hawaii

0.54

(0.30 -0.78)

Oregon

0.57

(0.35 -0.79)

Idaho

0.48

(0.31 -0.65)

Pennsylvania

0.63

(0.52 -0.74)

Illinois

0.62

(0.54 -0.69)

Rhode Island

0.52

(0.28 -0.75)

Indiana

0.58

(0.40 -0.77)

South Carolina

0.77

(0.54 -1.00)

Iowa

0.74

(0.53 -0.94)

South Dakota

0.65

(0.49 -0.82)

Kansas

0.54

(0.35 -0.72)

Tennessee

0.53

(0.41 -0.66)

Kentucky

0.82

(0.56 -1.07)

Texas

0.50

(0.44 -0.56)

Louisiana

0.71

(0.52 -0.90)

Utah

0.38

(0.23 -0.52)

Maine

0.65

(0.47 -0.83)

Vermont

0.58

(0.39 -0.78)

Maryland

0.65

(0.48 -0.82)

Virginia

0.50

(0.33 -0.68)

Massachusetts

0.74

(0.54 -0.94)

Washington

0.54

(0.36 -0.73)

Michigan

0.57

(0.48 -0.66)

West Virginia

0.91

(0.63 -1.19)

Minnesota

0.78

(0.48 -1.08)

Wisconsin

0.61

(0.48 -0.75)

Mississippi

0.79

(0.57 -1.01)

Wyoming

0.61

(0.48 -0.73)

*Low precision; no estimate reported.

NOTE: A respondent who answered "Yes" to three or more of the seven cigarette criteria for dependence listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) would be considered cigarette dependent. Respondents were assigned a score of 1 if they answered "no" to all seven questions, and a score of 8 if they answered "yes" to all the questions. A respondent who has not used cigarettes in the past year was assigned a score of zero.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10629

Table C.5 Average Age at First Marijuana Use Among Persons Reporting First Use of Marijuana at Age 25 or Younger in 1995 to 1997, by State: 1999

State

Average Age

95% C.I.

State

Average Age

95% C.I.

National

16.2

(16.1 -16.4)

Missouri

16.2

(15.3 -17.0)

Alabama

16.6

(15.6 -17.6)

Montana

15.1

(14.5 -15.7)

Alaska

16.0

(14.8 -17.2)

Nebraska

16.1

(15.0 -17.1)

Arizona

15.3

(14.4 -16.2)

Nevada

15.1

(14.3 -15.8)

Arkansas

15.9

(15.4 -16.4)

New Hampshire

16.5

(14.7 -18.2)

California

16.1

(15.8 -16.4)

New Jersey

16.9

(16.0 -17.7)

Colorado

15.9

(15.2 -16.6)

New Mexico

15.9

(15.1 -16.7)

Connecticut

16.8

(15.1 -18.6)

New York

16.7

(16.1 -17.3)

Delaware

16.2

(15.2 -17.1)

North Carolina

16.1

(15.6 -16.7)

District of Columbia

16.4

(15.0 -17.8)

North Dakota

16.9

(16.0 -17.7)

Florida

16.1

(15.6 -16.6)

Ohio

16.6

(16.2 -17.0)

Georgia

15.8

(15.1 -16.6)

Oklahoma

15.9

(14.9 -16.8)

Hawaii

16.5

(14.7 -18.4)

Oregon

16.0

(14.8 -17.2)

Idaho

16.7

(15.8 -17.6)

Pennsylvania

16.6

(16.2 -16.9)

Illinois

15.7

(15.4 -16.0)

Rhode Island

16.3

(15.1 -17.5)

Indiana

16.3

(15.7 -17.0)

South Carolina

16.0

(15.1 -16.8)

Iowa

16.9

(16.2 -17.7)

South Dakota

16.8

(15.5 -18.1)

Kansas

15.7

(15.0 -16.5)

Tennessee

16.9

(15.3 -18.4)

Kentucky

16.5

(15.8 -17.2)

Texas

16.1

(15.8 -16.5)

Louisiana

16.0

(15.2 -16.9)

Utah

15.6

(15.0 -16.2)

Maine

17.1

(15.5 -18.7)

Vermont

16.7

(15.1 -18.2)

Maryland

16.0

(14.9 -17.1)

Virginia

16.5

(15.4 -17.6)

Massachusetts

16.2

(15.2 -17.2)

Washington

15.8

(15.3 -16.3)

Michigan

16.6

(16.0 -17.2)

West Virginia

16.3

(15.5 -17.1)

Minnesota

15.6

(15.0 -16.2)

Wisconsin

16.6

(15.4 -17.7)

Mississippi

16.8

(16.1 -17.5)

Wyoming

15.9

(15.2 -16.6)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10702

Table C.6 Average Scale Scores of Marijuana Dependence Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

0.30

(0.29 -0.32)

Missouri

0.23

(0.14 -0.32)

Alabama

0.20

(0.09 -0.30)

Montana

0.53

(0.34 -0.72)

Alaska

0.38

(0.28 -0.47)

Nebraska

0.12

(0.09 -0.16)

Arizona

0.37

(0.20 -0.54)

Nevada

0.41

(0.22 -0.60)

Arkansas

0.36

(0.20 -0.52)

New Hampshire

0.29

(0.18 -0.39)

California

0.36

(0.30 -0.42)

New Jersey

0.29

(0.19 -0.39)

Colorado

0.33

(0.21 -0.45)

New Mexico

0.51

(0.31 -0.70)

Connecticut

0.38

(0.17 -0.59)

New York

0.27

(0.19 -0.36)

Delaware

0.57

(0.39 -0.74)

North Carolina

0.32

(0.20 -0.43)

District of Columbia

0.32

(0.06 -0.58)

North Dakota

0.38

(0.20 -0.56)

Florida

0.21

(0.15 -0.28)

Ohio

0.24

(0.20 -0.29)

Georgia

0.25

(0.15 -0.34)

Oklahoma

0.23

(0.15 -0.31)

Hawaii

0.34

(0.21 -0.47)

Oregon

0.38

(0.24 -0.52)

Idaho

0.15

(0.08 -0.22)

Pennsylvania

0.26

(0.18 -0.34)

Illinois

0.32

(0.25 -0.39)

Rhode Island

0.36

(0.21 -0.51)

Indiana

0.24

(0.13 -0.35)

South Carolina

0.30

(0.16 -0.44)

Iowa

0.27

(0.10 -0.43)

South Dakota

0.28

(0.15 -0.41)

Kansas

0.24

(0.06 -0.41)

Tennessee

0.21

(0.12 -0.30)

Kentucky

0.29

(0.14 -0.43)

Texas

0.27

(0.22 -0.33)

Louisiana

0.35

(0.21 -0.50)

Utah

0.23

(0.15 -0.30)

Maine

0.29

(0.20 -0.38)

Vermont

0.46

(0.29 -0.63)

Maryland

0.32

(0.22 -0.42)

Virginia

0.24

(0.17 -0.31)

Massachusetts

0.50

(0.35 -0.65)

Washington

0.36

(0.21 -0.50)

Michigan

0.33

(0.26 -0.39)

West Virginia

0.34

(0.15 -0.53)

Minnesota

0.34

(0.15 -0.54)

Wisconsin

0.36

(0.24 -0.47)

Mississippi

0.33

(0.21 -0.44)

Wyoming

0.31

(0.17 -0.45)

*Low precision; no estimate reported.

NOTE: A respondent who answered "Yes" to three or more of the seven marijuana criteria for dependence listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) would be considered marijuana dependent. Respondents were assigned a score of 1 if they answered "no" to all seven questions, and a score of 8 if they answered "yes" to all the questions. A respondent who has not used marijuana in the past year was assigned a score of zero.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10530

Table C.7 Average Scale Scores of Difficulty Obtaining Marijuana Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

3.41

(3.39 -3.44)

Missouri

3.49

(3.29 -3.68)

Alabama

3.33

(2.98 -3.68)

Montana

3.47

(3.25 -3.68)

Alaska

3.49

(3.30 -3.67)

Nebraska

3.17

(2.93 -3.40)

Arizona

3.49

(3.25 -3.72)

Nevada

3.67

(3.52 -3.82)

Arkansas

3.45

(3.28 -3.61)

New Hampshire

3.48

(3.23 -3.74)

California

3.34

(3.27 -3.41)

New Jersey

3.34

(3.21 -3.48)

Colorado

3.70

(3.53 -3.87)

New Mexico

3.59

(3.37 -3.81)

Connecticut

3.60

(3.45 -3.75)

New York

3.45

(3.31 -3.59)

Delaware

3.70

(3.45 -3.95)

North Carolina

3.28

(3.08 -3.47)

District of Columbia

3.18

(2.85 -3.50)

North Dakota

3.24

(3.01 -3.47)

Florida

3.21

(3.12 -3.31)

Ohio

3.46

(3.35 -3.57)

Georgia

3.42

(3.24 -3.60)

Oklahoma

3.35

(3.01 -3.69)

Hawaii

3.27

(3.12 -3.42)

Oregon

3.43

(3.15 -3.70)

Idaho

3.34

(3.18 -3.50)

Pennsylvania

3.39

(3.28 -3.49)

Illinois

3.57

(3.47 -3.68)

Rhode Island

3.42

(3.12 -3.72)

Indiana

3.59

(3.44 -3.73)

South Carolina

3.43

(3.28 -3.59)

Iowa

3.38

(3.24 -3.52)

South Dakota

3.09

(2.88 -3.31)

Kansas

3.29

(3.13 -3.46)

Tennessee

3.34

(3.07 -3.62)

Kentucky

3.65

(3.48 -3.81)

Texas

3.30

(3.20 -3.40)

Louisiana

3.44

(3.28 -3.61)

Utah

3.17

(3.00 -3.35)

Maine

3.41

(3.17 -3.64)

Vermont

3.54

(3.37 -3.70)

Maryland

3.55

(3.35 -3.75)

Virginia

3.36

(3.21 -3.52)

Massachusetts

3.53

(3.30 -3.76)

Washington

3.52

(3.36 -3.69)

Michigan

3.46

(3.37 -3.56)

West Virginia

3.56

(3.38 -3.75)

Minnesota

3.55

(3.36 -3.73)

Wisconsin

3.44

(3.24 -3.64)

Mississippi

3.41

(3.24 -3.58)

Wyoming

3.48

(3.32 -3.64)

*Low precision; no estimate reported.

NOTE: A scale score of 5 reflects that a respondent reported that it would be very easy to obtain marijuana if they wanted to get some, whereas a scale score of 1 implies it would be probably impossible.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10615

Table C.8 Average Scale Scores of Antisocial Behavior-Delinquency Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

1.15

(1.14 -1.15)

Missouri

1.15

(1.11 -1.19)

Alabama

1.14

(1.08 -1.19)

Montana

1.19

(1.16 -1.22)

Alaska

1.18

(1.12 -1.23)

Nebraska

1.10

(1.07 -1.14)

Arizona

1.19

(1.15 -1.23)

Nevada

1.15

(1.12 -1.19)

Arkansas

1.13

(1.10 -1.16)

New Hampshire

1.12

(1.07 -1.16)

California

1.14

(1.12 -1.16)

New Jersey

1.12

(1.10 -1.13)

Colorado

1.15

(1.10 -1.21)

New Mexico

1.19

(1.12 -1.26)

Connecticut

1.16

(1.09 -1.24)

New York

1.14

(1.12 -1.17)

Delaware

1.21

(1.11 -1.31)

North Carolina

1.14

(1.11 -1.17)

District of Columbia

1.15

(1.09 -1.22)

North Dakota

1.16

(1.10 -1.21)

Florida

1.15

(1.12 -1.18)

Ohio

1.14

(1.11 -1.16)

Georgia

1.12

(1.09 -1.15)

Oklahoma

1.13

(1.10 -1.16)

Hawaii

1.16

(1.11 -1.20)

Oregon

1.16

(1.08 -1.24)

Idaho

1.13

(1.09 -1.16)

Pennsylvania

1.13

(1.11 -1.15)

Illinois

1.16

(1.13 -1.19)

Rhode Island

1.18

(1.12 -1.25)

Indiana

1.11

(1.09 -1.14)

South Carolina

1.16

(1.12 -1.21)

Iowa

1.18

(1.12 -1.23)

South Dakota

1.13

(1.09 -1.17)

Kansas

1.15

(1.08 -1.22)

Tennessee

1.12

(1.08 -1.17)

Kentucky

1.18

(1.12 -1.23)

Texas

1.15

(1.13 -1.16)

Louisiana

1.20

(1.13 -1.27)

Utah

1.15

(1.11 -1.20)

Maine

1.14

(1.08 -1.19)

Vermont

1.14

(1.11 -1.17)

Maryland

1.16

(1.11 -1.21)

Virginia

1.11

(1.07 -1.14)

Massachusetts

1.17

(1.14 -1.20)

Washington

1.16

(1.11 -1.20)

Michigan

1.15

(1.12 -1.17)

West Virginia

1.16

(1.12 -1.19)

Minnesota

1.19

(1.10 -1.28)

Wisconsin

1.10

(1.07 -1.13)

Mississippi

1.17

(1.12 -1.21)

Wyoming

1.20

(1.15 -1.24)

*Low precision; no estimate reported.

NOTE: A scale score of 5 indicates a respondent participated in antisocial or delinquent actions in the past year, whereas a scale score of 1 reflects no such actions.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10723

Table C.9 Average Scale Scores of Favorable Attitudes Toward Substance Use Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

1.55

(1.54 -1.57)

Missouri

1.58

(1.46 -1.69)

Alabama

1.42

(1.30 -1.55)

Montana

1.62

(1.54 -1.70)

Alaska

1.53

(1.41 -1.65)

Nebraska

1.52

(1.42 -1.63)

Arizona

1.53

(1.40 -1.66)

Nevada

1.65

(1.54 -1.75)

Arkansas

1.58

(1.47 -1.68)

New Hampshire

1.46

(1.36 -1.55)

California

1.54

(1.51 -1.57)

New Jersey

1.54

(1.46 -1.62)

Colorado

1.70

(1.57 -1.83)

New Mexico

1.58

(1.48 -1.68)

Connecticut

1.63

(1.54 -1.72)

New York

1.56

(1.50 -1.62)

Delaware

1.73

(1.65 -1.81)

North Carolina

1.61

(1.49 -1.74)

District of Columbia

1.56

(1.39 -1.74)

North Dakota

1.62

(1.54 -1.71)

Florida

1.53

(1.48 -1.57)

Ohio

1.53

(1.48 -1.57)

Georgia

1.51

(1.43 -1.58)

Oklahoma

1.58

(1.47 -1.70)

Hawaii

1.52

(1.42 -1.62)

Oregon

1.51

(1.40 -1.63)

Idaho

1.41

(1.33 -1.49)

Pennsylvania

1.58

(1.53 -1.62)

Illinois

1.58

(1.53 -1.63)

Rhode Island

1.58

(1.46 -1.71)

Indiana

1.56

(1.46 -1.67)

South Carolina

1.65

(1.53 -1.77)

Iowa

1.59

(1.44 -1.73)

South Dakota

1.55

(1.45 -1.64)

Kansas

1.53

(1.39 -1.67)

Tennessee

1.56

(1.44 -1.67)

Kentucky

1.63

(1.53 -1.73)

Texas

1.53

(1.49 -1.57)

Louisiana

1.57

(1.46 -1.68)

Utah

1.30

(1.23 -1.37)

Maine

1.53

(1.40 -1.66)

Vermont

1.54

(1.48 -1.61)

Maryland

1.61

(1.53 -1.69)

Virginia

1.58

(1.50 -1.66)

Massachusetts

1.57

(1.48 -1.66)

Washington

1.53

(1.48 -1.58)

Michigan

1.54

(1.48 -1.60)

West Virginia

1.63

(1.51 -1.75)

Minnesota

1.61

(1.52 -1.70)

Wisconsin

1.58

(1.49 -1.67)

Mississippi

1.58

(1.47 -1.69)

Wyoming

1.59

(1.53 -1.65)

*Low precision; no estimate reported.

NOTE: A scale score of 1 indicates a respondent strongly disapproves of substance use, a score of 2 indicates a respondent somewhat disapproves of substance use, and a score of 3 indicates a respondent neither approves nor disapproves of substance use.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10723

Table C.10 Average Scale Scores of Peer Attitudes Toward Substance Use Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

1.61

(1.60 -1.62)

Missouri

1.62

(1.50 -1.74)

Alabama

1.52

(1.40 -1.63)

Montana

1.66

(1.54 -1.78)

Alaska

1.59

(1.46 -1.71)

Nebraska

1.51

(1.40 -1.62)

Arizona

1.61

(1.48 -1.74)

Nevada

1.64

(1.55 -1.73)

Arkansas

1.64

(1.55 -1.74)

New Hampshire

1.55

(1.46 -1.64)

California

1.55

(1.52 -1.58)

New Jersey

1.54

(1.47 -1.62)

Colorado

1.78

(1.67 -1.89)

New Mexico

1.73

(1.60 -1.86)

Connecticut

1.60

(1.51 -1.68)

New York

1.62

(1.54 -1.69)

Delaware

1.73

(1.63 -1.82)

North Carolina

1.69

(1.59 -1.79)

District of Columbia

1.58

(1.40 -1.77)

North Dakota

1.75

(1.66 -1.84)

Florida

1.54

(1.49 -1.59)

Ohio

1.60

(1.56 -1.64)

Georgia

1.59

(1.51 -1.68)

Oklahoma

1.58

(1.50 -1.65)

Hawaii

1.55

(1.45 -1.65)

Oregon

1.56

(1.42 -1.69)

Idaho

1.43

(1.35 -1.51)

Pennsylvania

1.63

(1.57 -1.68)

Illinois

1.66

(1.61 -1.71)

Rhode Island

1.63

(1.51 -1.74)

Indiana

1.66

(1.56 -1.76)

South Carolina

1.75

(1.65 -1.85)

Iowa

1.59

(1.46 -1.72)

South Dakota

1.59

(1.50 -1.69)

Kansas

1.62

(1.47 -1.77)

Tennessee

1.64

(1.52 -1.76)

Kentucky

1.75

(1.65 -1.85)

Texas

1.58

(1.54 -1.62)

Louisiana

1.70

(1.61 -1.80)

Utah

1.34

(1.29 -1.40)

Maine

1.62

(1.50 -1.75)

Vermont

1.65

(1.57 -1.73)

Maryland

1.71

(1.59 -1.82)

Virginia

1.63

(1.55 -1.71)

Massachusetts

1.60

(1.47 -1.72)

Washington

1.61

(1.52 -1.70)

Michigan

1.62

(1.57 -1.68)

West Virginia

1.77

(1.68 -1.86)

Minnesota

1.66

(1.55 -1.77)

Wisconsin

1.63

(1.52 -1.73)

Mississippi

1.69

(1.58 -1.80)

Wyoming

1.57

(1.50 -1.65)

*Low precision; no estimate reported.

NOTE: A scale score of 1 indicates a peer attitude of strongly disapprove towards substance use, a score of 2 indicates a somewhat disapprove peer attitude, and a score of 3 indicates neither an approve nor disapprove peer attitude.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10723

Table C.11 Average Scale Scores of Peer Substance Use Among Persons Aged 12 to 17, by State: 1999

State

Average Score

95% C.I.

State

Average Score

95% C.I.

National

1.69

(1.68 -1.70)

Missouri

1.66

(1.61 -1.72)

Alabama

1.61

(1.50 -1.73)

Montana

1.79

(1.68 -1.89)

Alaska

1.72

(1.60 -1.84)

Nebraska

1.67

(1.59 -1.75)

Arizona

1.76

(1.64 -1.89)

Nevada

1.79

(1.70 -1.88)

Arkansas

1.69

(1.63 -1.76)

New Hampshire

1.67

(1.55 -1.78)

California

1.63

(1.60 -1.66)

New Jersey

1.65

(1.57 -1.73)

Colorado

1.80

(1.70 -1.91)

New Mexico

1.84

(1.72 -1.96)

Connecticut

1.74

(1.63 -1.85)

New York

1.70

(1.63 -1.77)

Delaware

1.84

(1.76 -1.93)

North Carolina

1.69

(1.62 -1.75)

District of Columbia

1.51

(1.35 -1.66)

North Dakota

1.77

(1.69 -1.86)

Florida

1.60

(1.55 -1.65)

Ohio

1.69

(1.64 -1.73)

Georgia

1.68

(1.63 -1.73)

Oklahoma

1.65

(1.58 -1.72)

Hawaii

1.71

(1.59 -1.82)

Oregon

1.61

(1.50 -1.72)

Idaho

1.60

(1.51 -1.68)

Pennsylvania

1.69

(1.64 -1.74)

Illinois

1.73

(1.68 -1.78)

Rhode Island

1.69

(1.59 -1.79)

Indiana

1.67

(1.54 -1.79)

South Carolina

1.73

(1.60 -1.85)

Iowa

1.71

(1.65 -1.77)

South Dakota

1.79

(1.64 -1.94)

Kansas

1.72

(1.63 -1.80)

Tennessee

1.72

(1.61 -1.83)

Kentucky

1.78

(1.67 -1.89)

Texas

1.68

(1.64 -1.72)

Louisiana

1.78

(1.69 -1.88)

Utah

1.46

(1.39 -1.53)

Maine

1.69

(1.60 -1.78)

Vermont

1.69

(1.61 -1.77)

Maryland

1.72

(1.63 -1.80)

Virginia

1.67

(1.59 -1.75)

Massachusetts

1.77

(1.66 -1.88)

Washington

1.70

(1.61 -1.79)

Michigan

1.68

(1.63 -1.73)

West Virginia

1.88

(1.79 -1.96)

Minnesota

1.74

(1.62 -1.85)

Wisconsin

1.74

(1.67 -1.81)

Mississippi

1.77

(1.68 -1.86)

Wyoming

1.72

(1.63 -1.80)

*Low precision; no estimate reported.

NOTE: A scale score of 4 indicates that a respondent reported substance use by all of their friends , whereas a score of 1 indicates that a respondent reported substance use by none of their friends.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10629

Table C.12 Average Age at First Use for Cigarettes, Alcohol, and Marijuana Among Persons Reporting Initiation at Age 25 or Younger in 1995 to 1997, by State: 1999

State

FIRST USED CIGARETTES1

FIRST USED ALCOHOL2

FIRST USED MARIJUANA3

Average Age

95% C.I.

Average Age

95% C.I.

Average Age

95% C.I.

National

15.0

(14.9 -15.1)

15.7

(15.6 -15.8)

16.2

(16.1 -16.4)

Alabama

15.0

(14.1 -15.9)

15.6

(14.8 -16.3)

16.6

(15.6 -17.6)

Alaska

14.4

(13.7 -15.1)

15.3

(14.7 -15.8)

16.0

(14.8 -17.2)

Arizona

14.4

(13.5 -15.3)

15.1

(14.3 -15.8)

15.3

(14.4 -16.2)

Arkansas

15.2

(13.7 -16.8)

15.5

(14.8 -16.2)

15.9

(15.4 -16.4)

California

15.4

(15.1 -15.8)

15.7

(15.5 -16.0)

16.1

(15.8 -16.4)

Colorado

14.2

(13.5 -15.0)

15.1

(14.5 -15.6)

15.9

(15.2 -16.6)

Connecticut

15.2

(14.0 -16.4)

15.6

(14.6 -16.5)

16.8

(15.1 -18.6)

Delaware

14.4

(13.8 -14.9)

15.6

(15.0 -16.1)

16.2

(15.2 -17.1)

District of Columbia

16.0

(15.2 -16.8)

16.5

(15.3 -17.7)

16.4

(15.0 -17.8)

Florida

14.9

(14.5 -15.2)

15.9

(15.5 -16.3)

16.1

(15.6 -16.6)

Georgia

14.7

(14.0 -15.4)

16.0

(15.4 -16.6)

15.8

(15.1 -16.6)

Hawaii

15.5

(14.1 -16.8)

15.4

(14.8 -16.1)

16.5

(14.7 -18.4)

Idaho

14.5

(13.9 -15.2)

15.7

(15.3 -16.1)

16.7

(15.8 -17.6)

Illinois

15.2

(14.9 -15.6)

15.8

(15.4 -16.2)

15.7

(15.4 -16.0)

Indiana

15.0

(14.2 -15.9)

16.2

(15.8 -16.6)

16.3

(15.7 -17.0)

Iowa

15.3

(14.6 -16.1)

15.8

(15.0 -16.5)

16.9

(16.2 -17.7)

Kansas

15.4

(14.5 -16.3)

15.4

(14.8 -16.0)

15.7

(15.0 -16.5)

Kentucky

14.2

(13.6 -14.8)

15.7

(15.3 -16.1)

16.5

(15.8 -17.2)

Louisiana

15.0

(13.9 -16.1)

15.5

(14.7 -16.2)

16.0

(15.2 -16.9)

Maine

15.1

(14.4 -15.8)

15.6

(15.0 -16.2)

17.1

(15.5 -18.7)

Maryland

14.7

(13.8 -15.7)

15.7

(14.7 -16.7)

16.0

(14.9 -17.1)

Massachusetts

14.6

(14.1 -15.1)

15.6

(15.1 -16.2)

16.2

(15.2 -17.2)

Michigan

15.0

(14.5 -15.5)

15.7

(15.4 -16.0)

16.6

(16.0 -17.2)

Minnesota

14.8

(14.1 -15.4)

15.6

(15.2 -16.0)

15.6

(15.0 -16.2)

Mississippi

14.6

(13.8 -15.4)

16.3

(15.8 -16.8)

16.8

(16.1 -17.5)

Missouri

15.2

(14.5 -15.9)

15.6

(14.6 -16.6)

16.2

(15.3 -17.0)

See notes at end of table. (continued)

10629

Table C.12 Average Age at First Use for Cigarettes, Alcohol, and Marijuana Among Persons Reporting Initiation at Age 25 or Younger in 1995 to 1997, by State: 1999

State

FIRST USED CIGARETTES1

FIRST USED ALCOHOL2

FIRST USED MARIJUANA3

Average Age

95% C.I.

Average Age

95% C.I.

Average Age

95% C.I.

Montana

14.4

(13.8 -14.9)

14.8

(14.5 -15.1)

15.1

(14.5 -15.7)

Nebraska

15.4

(14.7 -16.0)

15.6

(15.0 -16.2)

16.1

(15.0 -17.1)

Nevada

14.1

(13.3 -14.9)

15.1

(14.4 -15.8)

15.1

(14.3 -15.8)

New Hampshire

16.6

(15.3 -18.0)

15.5

(14.6 -16.5)

16.5

(14.7 -18.2)

New Jersey

15.3

(14.7 -15.8)

15.9

(15.4 -16.4)

16.9

(16.0 -17.7)

New Mexico

14.8

(14.3 -15.3)

15.8

(15.1 -16.4)

15.9

(15.1 -16.7)

New York

15.5

(14.9 -16.1)

15.5

(15.1 -16.0)

16.7

(16.1 -17.3)

North Carolina

14.8

(13.9 -15.7)

15.7

(15.3 -16.2)

16.1

(15.6 -16.7)

North Dakota

15.2

(14.4 -15.9)

15.1

(14.4 -15.8)

16.9

(16.0 -17.7)

Ohio

15.3

(14.9 -15.6)

15.5

(15.3 -15.8)

16.6

(16.2 -17.0)

Oklahoma

14.8

(13.7 -15.9)

15.1

(14.3 -15.9)

15.9

(14.9 -16.8)

Oregon

14.7

(13.3 -16.0)

15.3

(14.6 -16.1)

16.0

(14.8 -17.2)

Pennsylvania

14.7

(14.4 -15.1)

15.8

(15.5 -16.1)

16.6

(16.2 -16.9)

Rhode Island

14.2

(13.4 -15.0)

14.9

(14.3 -15.4)

16.3

(15.1 -17.5)

South Carolina

15.0

(14.0 -16.0)

16.2

(15.4 -17.0)

16.0

(15.1 -16.8)

South Dakota

15.3

(14.1 -16.5)

15.1

(14.7 -15.4)

16.8

(15.5 -18.1)

Tennessee

14.9

(14.4 -15.5)

16.0

(15.5 -16.5)

16.9

(15.3 -18.4)

Texas

15.0

(14.7 -15.3)

15.8

(15.5 -16.1)

16.1

(15.8 -16.5)

Utah

15.3

(14.2 -16.3)

15.7

(15.1 -16.3)

15.6

(15.0 -16.2)

Vermont

14.9

(14.0 -15.9)

15.0

(14.5 -15.5)

16.7

(15.1 -18.2)

Virginia

14.8

(14.2 -15.5)

16.0

(15.5 -16.6)

16.5

(15.4 -17.6)

Washington

15.1

(13.9 -16.3)

15.4

(14.7 -16.2)

15.8

(15.3 -16.3)

West Virginia

15.1

(14.7 -15.6)

15.6

(15.1 -16.2)

16.3

(15.5 -17.1)

Wisconsin

14.8

(14.3 -15.3)

15.4

(15.0 -15.7)

16.6

(15.4 -17.7)

Wyoming

14.5

(13.9 -15.2)

15.2

(14.3 -16.1)

15.9

(15.2 -16.6)

*Low precision; no estimate reported.

1 Average age at first cigarette use was computed among persons who first used cigarettes at age 25 or younger in 1995 to 1997.

2 Average age at first alcohol use was computed among persons who first used alcohol at age 25 or younger in 1995 to 1997.

3 Average age at first marijuana use was computed among persons who first used marijuana at age 25 or younger in 1995 to 1997.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10703

Table C.13 Percentages Reporting No Substance Use and Substance Sequence Patterns for Use of Cigarettes, Alcohol, or Marijuana Among Persons Aged 20 to 25, by State: 1999

State

NEVER USED

USED ONE SUBSTANCE

Alcohol, Cigarettes, or Marijuana

Only Cigarettes or Only Alcohol

Only Marijuana

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

National

10.2

(9.5 -10.9)

18.8

(17.9 -19.7)

0.2

(0.1 -0.4)

Alabama

9.3

(5.9 -14.2)

18.4

(11.1 -28.9)

*

(* -*)

Alaska

5.1

(2.7 -9.4)

13.7

(8.7 -20.8)

*

(* -*)

Arizona

13.4

(9.2 -19.1)

17.0

(9.9 -27.6)

*

(* -*)

Arkansas

15.9

(9.9 -24.6)

15.6

(11.8 -20.4)

*

(* -*)

California

14.5

(12.3 -17.1)

20.4

(17.6 -23.5)

0.6

(0.2 -2.3)

Colorado

3.1

(1.2 -7.4)

16.2

(12.1 -21.4)

*

(* -*)

Connecticut

*

(* -*)

17.8

(10.5 -28.6)

*

(* -*)

Delaware

4.6

(2.0 -10.1)

19.2

(14.0 -25.8)

*

(* -*)

District of Columbia

16.0

(9.4 -26.1)

21.5

(12.6 -34.4)

*

(* -*)

Florida

13.0

(10.5 -16.1)

22.1

(18.6 -26.0)

*

(* -*)

Georgia

9.8

(4.1 -21.5)

26.6

(17.2 -38.8)

*

(* -*)

Hawaii

11.5

(5.7 -21.8)

18.8

(13.0 -26.3)

*

(* -*)

Idaho

15.9

(8.0 -29.1)

14.4

(9.9 -20.5)

*

(* -*)

Illinois

9.5

(7.4 -12.2)

17.4

(13.9 -21.6)

*

(* -*)

Indiana

8.9

(4.2 -17.7)

13.9

(9.5 -20.0)

0.8

(0.2 -3.6)

Iowa

2.1

(1.0 -4.4)

15.9

(11.2 -22.2)

*

(* -*)

Kansas

10.8

(7.4 -15.4)

14.9

(9.8 -21.9)

*

(* -*)

Kentucky

5.0

(2.5 -9.8)

18.3

(12.6 -25.7)

*

(* -*)

Louisiana

12.4

(7.7 -19.2)

18.0

(11.6 -27.0)

*

(* -*)

Maine

7.0

(2.9 -16.0)

9.8

(6.3 -15.1)

*

(* -*)

Maryland

6.3

(3.8 -10.3)

26.4

(19.2 -35.1)

*

(* -*)

Massachusetts

5.4

(1.8 -15.2)

14.5

(8.2 -24.3)

*

(* -*)

Michigan

6.6

(5.0 -8.6)

16.4

(13.4 -20.1)

*

(* -*)

Minnesota

6.4

(2.4 -15.8)

13.6

(9.8 -18.4)

0.2

(0.0 -1.4)

Mississippi

16.0

(10.7 -23.4)

20.3

(17.0 -24.1)

*

(* -*)

Missouri

7.6

(4.3 -13.1)

17.6

(12.2 -24.8)

*

(* -*)

See notes at end of table. (continued)

10703

Table C.13 Percentages Reporting No Substance Use and Substance Sequence Patterns for Use of Cigarettes, Alcohol, or Marijuana Among Persons Aged 20 to 25, by State: 1999

State

NEVER USED

USED ONE SUBSTANCE

Alcohol, Cigarettes, or Marijuana

Only Cigarettes or Only Alcohol

Only Marijuana

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Montana

5.4

(2.6 -10.7)

14.5

(10.3 -20.0)

*

(* -*)

Nebraska

9.4

(5.4 -16.0)

17.4

(11.8 -25.0)

*

(* -*)

Nevada

11.8

(6.9 -19.5)

16.6

(12.3 -22.0)

*

(* -*)

New Hampshire

3.5

(1.2 -10.3)

14.2

(7.1 -26.3)

*

(* -*)

New Jersey

8.0

(4.4 -14.2)

22.4

(14.7 -32.6)

*

(* -*)

New Mexico

5.0

(2.2 -10.8)

15.3

(9.0 -24.8)

0.2

(0.0 -1.4)

New York

9.3

(6.8 -12.6)

21.8

(18.2 -25.9)

0.1

(0.0 -0.6)

North Carolina

7.5

(4.6 -12.1)

15.7

(9.3 -25.3)

*

(* -*)

North Dakota

3.8

(1.9 -7.3)

13.4

(8.6 -20.2)

*

(* -*)

Ohio

8.7

(5.8 -12.9)

16.1

(13.7 -18.9)

*

(* -*)

Oklahoma

8.9

(4.8 -16.1)

20.0

(15.1 -26.0)

*

(* -*)

Oregon

5.8

(3.3 -10.2)

20.3

(14.7 -27.2)

*

(* -*)

Pennsylvania

8.5

(6.1 -11.7)

19.0

(15.8 -22.7)

0.3

(0.0 -2.4)

Rhode Island

13.0

(9.1 -18.1)

16.9

(10.3 -26.4)

*

(* -*)

South Carolina

11.0

(6.4 -18.2)

16.6

(11.8 -22.9)

*

(* -*)

South Dakota

2.8

(1.1 -7.4)

16.3

(9.5 -26.7)

*

(* -*)

Tennessee

11.0

(6.5 -18.1)

19.2

(13.0 -27.5)

*

(* -*)

Texas

13.5

(10.5 -17.2)

19.9

(16.6 -23.6)

0.1

(0.0 -0.6)

Utah

34.9

(29.6 -40.7)

14.4

(10.7 -19.0)

*

(* -*)

Vermont

0.9

(0.2 -4.4)

17.1

(12.3 -23.2)

*

(* -*)

Virginia

5.7

(2.9 -10.9)

20.0

(14.5 -27.0)

*

(* -*)

Washington

11.8

(7.2 -18.7)

16.2

(12.4 -20.9)

*

(* -*)

West Virginia

9.7

(5.0 -18.2)

16.6

(12.8 -21.2)

*

(* -*)

Wisconsin

5.8

(2.8 -11.5)

17.8

(13.2 -23.5)

*

(* -*)

Wyoming

6.1

(3.2 -11.1)

19.8

(14.4 -26.6)

*

(* -*)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10703

Table C.14 Percentages Reporting Two Substance Sequence Patterns for Use of Cigarettes, Alcohol, and Marijuana Among Persons Aged 20 to 25, by State: 1999

State

USED TWO SUBSTANCES

Cigarettes Before Alcohol

Alcohol Before Cigarettes

Cigarettes or Alcohol Before Marijuana

Marijuana Before Cigarettes or Alcohol

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

National

13.5

(12.8 -14.3)

9.9

(9.2 -10.5)

2.9

(2.6 -3.3)

1.1

(0.8 -1.4)

Alabama

18.5

(13.3 -25.2)

9.6

(5.5 -16.2)

2.6

(1.0 -6.5)

*

(* -*)

Alaska

16.9

(11.7 -23.7)

2.6

(1.4 -5.0)

2.1

(0.7 -6.3)

1.5

(0.4 -5.8)

Arizona

11.8

(6.1 - 21.3)

12.0

(6.5 - 21.0)

2.3

(0.8 - 6.3)

0.8

(0.2 - 3.7)

Arkansas

13.1

(9.5 - 17.8)

10.7

(7.2 - 15.7)

0.8

(0.1 - 3.7)

0.6

(0.1 - 3.1)

California

12.4

(10.0 - 15.4)

7.3

(5.3 - 10.0)

2.8

(2.0 - 4.1)

2.9

(1.7 - 4.9)

Colorado

12.2

(8.9 - 16.4)

6.1

(2.7 - 13.2)

*

(* - *)

*

(* - *)

Connecticut

11.1

(5.5 - 21.2)

*

(* - *)

*

(* - *)

*

(* - *)

Delaware

11.5

(7.3 - 17.7)

8.7

(4.2 - 17.1)

6.0

(3.2 - 11.0)

0.9

(0.3 - 3.0)

District of Columbia

6.7

(4.1 - 10.8)

9.9

(4.7 - 19.5)

5.8

(3.3 - 10.0)

1.3

(0.3 - 4.9)

Florida

12.9

(10.1 - 16.3)

10.6

(8.1 - 13.8)

3.8

(2.6 - 5.5)

1.0

(0.4 - 2.2)

Georgia

12.6

(7.1 - 21.3)

9.2

(5.5 - 14.9)

3.2

(0.9 - 10.8)

*

(* - *)

Hawaii

9.2

(5.6 - 14.9)

6.0

(2.8 - 12.4)

*

(* - *)

*

(* - *)

Idaho

15.1

(12.0 - 18.8)

10.4

(6.6 - 16.1)

2.2

(0.8 - 5.8)

0.9

(0.3 - 2.7)

Illinois

15.9

(12.8 - 19.6)

10.7

(8.1 - 14.0)

3.1

(2.0 - 4.7)

0.9

(0.4 - 2.0)

Indiana

19.0

(13.2 - 26.4)

11.1

(6.5 - 18.3)

3.4

(1.8 - 6.3)

0.7

(0.2 - 3.1)

Iowa

11.9

(7.9 - 17.5)

19.1

(11.5 - 30.2)

*

(* - *)

0.2

(0.0 - 1.4)

Kansas

13.7

(8.6 - 21.3)

14.3

(10.6 - 19.1)

2.4

(0.9 - 6.2)

0.3

(0.0 - 2.1)

Kentucky

21.1

(15.4 - 28.2)

10.4

(7.2 - 14.7)

3.0

(1.5 - 5.6)

*

(* - *)

Louisiana

16.3

(12.0 - 21.8)

12.0

(8.2 - 17.3)

3.4

(2.1 - 5.5)

1.1

(0.2 - 4.9)

Maine

11.2

(5.4 - 21.7)

6.7

(4.2 - 10.6)

4.9

(2.4 - 9.7)

*

(* - *)

Maryland

12.0

(6.8 - 20.1)

8.7

(5.1 - 14.5)

7.1

(4.6 - 10.6)

1.4

(0.3 - 6.1)

Massachusetts

8.6

(4.8 - 15.1)

8.5

(3.5 - 19.2)

4.4

(2.0 - 9.5)

*

(* - *)

Michigan

10.5

(8.3 - 13.1)

8.6

(6.5 - 11.4)

4.9

(2.9 - 8.2)

1.2

(0.5 - 2.8)

Minnesota

15.4

(9.8 - 23.5)

10.7

(5.7 - 19.1)

*

(* - *)

0.1

(0.0 - 1.4)

Mississippi

13.0

(9.1 - 18.1)

9.9

(5.3 - 17.7)

4.0

(1.4 - 10.8)

0.2

(0.0 - 1.6)

Missouri

11.1

(7.3 - 16.4)

14.6

(9.6 - 21.8)

1.0

(0.2 - 4.2)

0.7

(0.2 - 2.4)

See notes at end of table. (continued)

10703

Table C.14 Percentages Reporting Two Substance Sequence Patterns for Use of Cigarettes, Alcohol, and Marijuana Among Persons Aged 20 to 25, by State: 1999

State

USED TWO SUBSTANCES

Cigarettes Before Alcohol

Alcohol Before Cigarettes

Cigarettes or Alcohol Before Marijuana

Marijuana Before Cigarettes or Alcohol

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Montana

16.4

(11.8 - 22.2)

9.2

(5.3 -15.5)

*

(* - *)

*

(* - *)

Nebraska

16.9

(10.6 - 25.8)

16.0

(10.9 -22.9)

*

(* - *)

0.1

(0.0 - 1.1)

Nevada

15.5

(9.0 - 25.3)

5.4

(2.3 -12.2)

1.8

(1.1 - 3.1)

*

(* - *)

New Hampshire

15.5

(9.1 - 25.2)

8.4

(3.2 -19.9)

1.7

(0.4 - 7.0)

1.6

(0.4 - 6.4)

New Jersey

10.6

(5.7 - 19.1)

7.5

(5.3 -10.6)

3.1

(1.0 - 9.1)

*

(* - *)

New Mexico

11.7

(6.2 - 21.0)

10.7

(7.3 -15.3)

3.1

(1.0 - 9.1)

0.4

(0.1 - 3.0)

New York

9.1

(7.0 - 11.7)

10.0

(7.2 - 13.6)

3.5

(2.2 - 5.6)

1.4

(0.6 - 3.1)

North Carolina

23.0

(15.8 - 32.4)

7.9

(6.2 - 9.9)

2.7

(1.1 - 6.4)

0.5

(0.1 - 2.1)

North Dakota

18.2

(12.8 - 25.2)

25.4

(18.3 - 34.1)

1.7

(0.6 - 4.8)

*

(* - *)

Ohio

12.6

(10.2 - 15.6)

11.1

(9.0 - 13.7)

4.1

(2.9 - 5.8)

0.6

(0.2 - 1.7)

Oklahoma

16.1

(10.2 - 24.4)

9.1

(6.1 - 13.4)

2.0

(0.6 - 6.2)

1.8

(0.4 - 7.7)

Oregon

9.1

(5.8 - 13.8)

6.4

(4.4 - 9.3)

4.2

(1.8 - 9.6)

*

(* - *)

Pennsylvania

16.3

(13.7 - 19.4)

9.7

(7.4 - 12.4)

1.8

(1.0 - 3.1)

1.0

(0.5 - 2.1)

Rhode Island

12.8

(8.2 - 19.4)

5.5

(2.9 - 10.3)

5.9

(2.8 - 11.9)

0.3

(0.0 - 2.4)

South Carolina

17.9

(12.9 - 24.3)

9.3

(5.3 - 16.0)

3.2

(1.1 - 8.4)

0.9

(0.2 - 4.3)

South Dakota

17.3

(10.7 - 26.7)

19.8

(14.4 - 26.5)

1.8

(0.5 - 5.8)

*

(* - *)

Tennessee

12.0

(8.1 - 17.5)

9.0

(4.9 - 16.0)

1.6

(0.5 - 5.5)

*

(* - *)

Texas

15.4

(12.7 - 18.6)

10.1

(7.8 - 13.0)

2.7

(1.7 - 4.4)

0.8

(0.4 - 2.0)

Utah

10.9

(7.2 - 16.2)

8.2

(6.1 - 10.8)

1.5

(0.4 - 5.8)

*

(* - *)

Vermont

8.8

(4.7 - 15.9)

11.1

(7.6 - 15.9)

4.4

(1.9 - 9.8)

*

(* - *)

Virginia

13.0

(8.7 - 18.9)

12.9

(7.9 - 20.3)

*

(* - *)

0.2

(0.0 - 1.5)

Washington

10.4

(6.5 - 16.4)

9.5

(6.5 - 13.8)

0.8

(0.5 - 1.4)

*

(* - *)

West Virginia

22.6

(19.3 - 26.4)

8.9

(5.2 - 14.8)

1.2

(0.4 - 3.7)

*

(* - *)

Wisconsin

11.9

(6.4 - 20.9)

16.0

(10.6 - 23.3)

2.8

(1.0 - 7.5)

*

(* - *)

Wyoming

11.3

(7.7 - 16.4)

11.0

(7.4 - 16.1)

3.3

(1.4 - 7.6)

*

(* - *)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10703

Table C.15 Percentages Reporting Three Substance Sequence Patterns for Use of Cigarettes, Alcohol, and Marijuana Among Persons Aged 20 to 25, by State: 1999

State

USED ALL THREE SUBSTANCES

Alcohol Before Cigarettes Before Marijuana

Alcohol Before Marijuana Before Cigarettes

Cigarettes Before Marijuana Before Alcohol

Cigarettes Before Alcohol Before Marijuana

Marijuana First Then Either Alcohol Before Cigarettes or Cigarettes Before Alcohol

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

National

12.7

11.9 -13.5)

5.7

(5.2 -6.2)

6.1

(5.6 -6.6)

14.1

13.3 -14.9)

4.9

(4.4 -5.3)

Alabama

14.5

(8.3 -23.9)

3.3

(1.6 -6.5)

3.0

(1.6 -5.4)

14.2

10.4 -19.0)

4.8

(2.4 -9.0)

Alaska

12.4

(8.8 -17.3)

8.4

(4.5 -15.1)

10.6

(6.9 -16.1)

22.0

15.8 -29.6)

4.7

(2.0 -10.9)

Arizona

12.7

(7.2 -21.3)

6.9

(3.5 -12.9)

4.7

(2.0 -10.8)

11.5

(6.0 -20.9)

7.0

(3.8 -12.4)

Arkansas

11.2

(7.6 -16.3)

3.9

(2.6 -5.8)

6.0

(3.9 -9.2)

17.3

13.0 -22.6)

5.0

(3.0 -8.1)

California

11.1

(8.7 -14.0)

7.0

(5.2 -9.4)

3.5

(2.5 -4.9)

13.1

10.8 -15.7)

4.4

(3.3 -5.8)

Colorado

15.7

(9.4 -25.0)

6.9

(3.2 -14.2)

7.8

(4.8 -12.4)

23.4

16.5 -32.0)

3.4

(1.4 -8.2)

Connecticut

11.4

(5.4 -22.6)

11.9

(6.3 -21.3)

4.9

(3.1 -7.8)

10.2

(4.9 -20.1)

12.9

(6.2 -24.7)

Delaware

17.4

11.5 -25.6)

3.1

(1.5 -6.2)

7.6

(4.0 -13.7)

14.2

10.5 -18.9)

6.8

(4.3 -10.7)

District of Columbia

10.8

(7.1 -16.1)

6.1

(3.1 -11.6)

3.5

(1.4 -8.6)

12.9

(9.3 -17.6)

4.1

(1.7 -9.8)

Florida

6.8

(5.1 -8.9)

5.1

(3.4 -7.5)

7.2

(5.1 -9.9)

12.6

(9.7 -16.2)

4.7

(3.3 -6.7)

Georgia

7.0

(4.8 -10.1)

3.8

(1.9 -7.7)

6.9

(3.3 -13.7)

13.1

(6.0 -26.6)

4.8

(1.7 -13.3)

Hawaii

13.0

(6.9 -23.3)

4.8

(2.7 -8.4)

8.8

(6.1 -12.5)

18.3

11.5 -27.9)

5.7

(2.7 -11.7)

Idaho

12.8

(7.9 -19.9)

4.2

(2.7 -6.7)

3.5

(1.7 -6.9)

15.6

11.5 -20.8)

4.5

(2.4 -8.3)

Illinois

10.5

(8.5 -12.8)

6.3

(4.6 -8.6)

7.1

(5.0 -10.1)

13.0

10.2 -16.3)

5.6

(3.9 -7.9)

Indiana

11.0

(7.0 -17.0)

4.1

(1.9 -8.7)

10.1

(4.7 -20.1)

12.9

(9.2 -17.8)

4.1

(2.2 -7.3)

Iowa

20.9

15.0 -28.4)

3.6

(2.1 -6.2)

8.0

(3.6 -16.8)

13.5

(8.1 -21.6)

3.7

(1.5 -8.8)

Kansas

16.0

11.6 -21.7)

4.5

(1.9 -10.5)

8.7

(5.9 -12.7)

10.1

(6.5 -15.4)

4.3

(1.9 -9.4)

Kentucky

9.8

(5.7 -16.2)

3.9

(1.7 -8.9)

9.2

(6.0 -13.9)

14.6

(9.5 -21.7)

3.4

(1.4 -8.3)

Louisiana

7.3

(4.3 -12.3)

4.0

(1.5 -10.4)

5.3

(2.6 -10.6)

14.1

(9.5 -20.4)

6.1

(2.9 -12.2)

Maine

13.5

(9.0 -19.9)

9.4

(5.1 -16.7)

9.6

(6.0 -15.0)

20.0

13.5 -28.6)

6.4

(3.4 -11.5)

Maryland

11.3

(7.6 -16.4)

5.6

(2.1 -13.7)

6.5

(3.7 -11.0)

11.2

(6.2 -19.5)

3.6

(1.7 -7.6)

Massachusetts

23.2

13.2 -37.5)

3.6

(1.1 -10.6)

6.9

(2.8 -16.0)

18.4

10.4 -30.6)

4.4

(1.5 -12.3)

Michigan

14.4

11.7 -17.7)

6.0

(4.3 -8.3)

6.1

(4.2 -8.8)

17.4

14.5 -20.8)

7.9

(5.8 -10.8)

Minnesota

21.0

13.8 -30.5)

5.8

(2.8 -11.4)

5.4

(2.0 -13.4)

16.0

11.2 -22.3)

3.7

(2.1 -6.7)

Mississippi

9.1

(5.8 -14.1)

4.6

(2.3 -8.8)

3.9

(1.6 -9.1)

16.5

11.9 -22.5)

2.5

(1.4 -4.4)

Missouri

6.3

(3.0 -12.5)

6.8

(3.1 -14.5)

10.3

(5.4 -18.7)

18.8

13.4 -25.8)

5.2

(2.4 -10.7)

See notes at end of table. (continued)

10703

Table C.15 Percentages Reporting Three Substance Sequence Patterns for Use of Cigarettes, Alcohol, and Marijuana Among Persons Aged 20 to 25, by State: 1999

State

USED ALL THREE SUBSTANCES

Alcohol Before Cigarettes Before Marijuana

Alcohol Before Marijuana Before Cigarettes

Cigarettes Before Marijuana Before Alcohol

Cigarettes Before Alcohol Before Marijuana

Marijuana First Then Either Alcohol Before Cigarettes or Cigarettes Before Alcohol

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Percentage

95% C.I.

Montana

23.1

16.6 -31.2)

7.3

(3.9 -13.5)

6.5

(2.9 -13.9)

11.8

(8.6 -16.0)

4.7

(2.5 -8.5)

Nebraska

12.8

(7.6 -20.8)

3.3

(1.6 -6.8)

8.4

(5.0 -13.6)

12.6

(7.1 -21.4)

1.1

(0.2 -4.6)

Nevada

13.4

(8.9 -19.7)

6.2

(2.5 -14.8)

12.2

(6.5 -21.8)

11.6

(5.7 -22.3)

5.5

(2.4 -12.1)

New Hampshire

12.2

(5.6 -24.6)

*

(* -*)

*

(* -*)

18.0

10.6 -28.7)

6.6

(3.0 -14.0)

New Jersey

17.9

11.2 -27.4)

6.8

(3.3 -13.3)

4.8

(1.9 -11.6)

15.0

(9.6 -22.7)

3.4

(0.9 -11.8)

New Mexico

13.5

(7.1 -24.1)

10.5

(6.1 -17.5)

4.0

(1.3 -11.8)

19.5

11.4 -31.2)

6.2

(2.7 -13.5)

New York

15.6

12.2 -19.7)

6.2

(4.2 -9.1)

5.0

(3.3 -7.3)

12.6

10.2 -15.3)

5.5

(3.7 -8.1)

North Carolina

12.6

(8.9 -17.4)

6.0

(2.5 -14.1)

7.7

(4.6 -12.6)

12.3

(8.3 -17.9)

4.1

(2.0 -8.2)

North Dakota

20.1

14.0 -27.9)

3.9

(1.8 -8.2)

2.3

(0.8 -6.3)

10.6

(6.9 -15.9)

0.7

(0.1 -3.7)

Ohio

13.4

10.7 -16.6)

8.2

(6.1 -10.9)

6.2

(4.7 -8.2)

13.6

11.2 -16.5)

5.1

(3.6 -7.2)

Oklahoma

15.5

(9.4 -24.3)

4.8

(2.7 -8.2)

6.6

(3.5 -12.3)

10.6

(7.0 -15.6)

3.9

(2.1 -6.9)

Oregon

19.5

14.1 -26.4)

7.9

(4.0 -14.9)

8.1

(3.2 -18.9)

13.8

(8.9 -20.7)

4.9

(1.6 -14.1)

Pennsylvania

12.4

10.0 -15.2)

5.6

(4.1 -7.6)

5.2

(3.8 -7.2)

15.9

12.7 -19.6)

4.1

(2.9 -5.9)

Rhode Island

11.1

(7.1 -17.0)

*

(* -*)

6.8

(3.7 -12.1)

16.8

10.2 -26.4)

4.9

(2.1 -10.9)

South Carolina

8.1

(5.1 -12.7)

4.6

(2.2 -9.4)

9.5

(5.7 -15.4)

17.0

10.7 -25.9)

1.9

(0.6 -5.4)

South Dakota

15.7

10.2 -23.3)

3.4

(1.0 -10.6)

3.0

(1.6 -5.6)

13.7

(9.6 -19.2)

4.4

(2.5 -7.5)

Tennessee

13.4

(8.3 -20.9)

2.9

(1.2 -6.7)

8.7

(5.0 -14.7)

15.3

10.2 -22.3)

6.1

(3.6 -10.1)

Texas

12.3

(9.5 -15.7)

4.4

(3.0 -6.3)

4.0

(2.7 -6.0)

12.1

(9.4 -15.4)

4.6

(3.3 -6.4)

Utah

7.3

(5.4 -9.9)

4.5

(2.9 -6.8)

4.7

(2.5 -8.7)

8.7

(5.6 -13.1)

4.4

(2.6 -7.3)

Vermont

21.7

15.9 -29.0)

4.9

(2.3 -10.2)

7.9

(5.0 -12.3)

20.9

13.6 -30.7)

2.3

(0.8 -5.9)

Virginia

16.7

10.7 -25.3)

4.5

(2.2 -8.9)

9.5

(5.3 -16.4)

13.1

(7.8 -21.1)

3.9

(1.7 -8.5)

Washington

10.8

(7.9 -14.4)

6.3

(3.3 -11.9)

8.3

(4.2 -15.6)

15.4

11.2 -20.7)

9.2

(6.8 -12.3)

West Virginia

7.6

(4.1 -13.8)

4.2

(1.6 -10.5)

7.4

(4.4 -12.2)

15.8

10.4 -23.2)

5.9

(2.7 -12.5)

Wisconsin

15.1

10.1 -22.0)

6.6

(3.3 -12.7)

3.0

(1.1 -7.6)

16.9

10.3 -26.6)

3.6

(1.9 -6.7)

Wyoming

14.9

(9.5 -22.7)

7.6

(5.0 -11.3)

2.6

(1.1 -5.7)

12.9

(8.1 -19.8)

9.9

(6.7 -14.4)

*Low precision; no estimate reported.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10627

Table C.16 Average Age at First Alcohol, Cigarette, and Marijuana Use Among Persons Reporting Initiation of Alcohol and Cigarettes Before Marijuana, by State: 1999

State

Sample Size

Average Age at First Alcohol Use

Average Age at First Cigarette Use

Average Age at First Marijuana Use

Mean

95% C.I.

Mean

95% C.I.

Mean

95% C.I.

National

3,330

14.0

(13.9 -14.2)

13.9

(13.7 -14.0)

16.9

(16.8 -17.1)

California

179

14.2

(13.5 -14.8)

14.2

(13.6 -14.8)

17.1

(16.7 -17.5)

Florida

118

14.1

(13.6 -14.6)

13.8

(13.2 -14.3)

16.7

(16.1 -17.3)

Illinois

143

13.7

(13.1 -14.3)

13.8

(13.3 -14.3)

16.5

(16.0 -17.0)

Michigan

169

14.5

(13.9 -15.1)

13.7

(13.2 -14.1)

17.3

(16.6 -18.0)

New York

140

13.6

(12.6 -14.7)

14.4

(13.7 -15.1)

17.3

(16.4 -18.1)

Ohio

179

14.5

(14.1 -14.9)

14.5

(14.0 -15.0)

17.1

(16.6 -17.6)

Pennsylvania

175

14.4

(13.9 -14.8)

13.7

(13.1 -14.3)

17.2

(16.7 -17.7)

Texas

149

13.8

(13.1 -14.4)

13.7

(13.1 -14.3)

17.0

(16.4 -17.6)

*Low precision; no estimate reported.

NOTE: This table contains estimates among those persons who reported initiating the use of marijuana at age 25 or younger in 1995 through 1997.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10627

Table C.17 Average Age at First Cigarette and Marijuana Use Among Persons Reporting Initiation of Cigarettes Before Marijuana, by State: 1999

State

Sample Size

Average Age at First Cigarette Use

Average Age at First Marijuana Use

Mean

95% C.I.

Mean

95% C.I.

National

1,038

13.0

(12.8 -13.2)

14.9

(14.7 -15.0)

California

69

12.7

(12.0 -13.3)

14.2

(13.7 -14.7)

Florida

42

13.2

(12.2 -14.2)

14.9

(14.1 -15.7)

Illinois

62

13.5

(12.8 -14.1)

14.8

(14.3 -15.3)

Michigan

49

12.6

(11.7 -13.5)

14.8

(14.1 -15.5)

New York

36

13.2

(12.2 -14.1)

15.4

(14.5 -16.2)

Ohio

63

13.0

(12.3 -13.7)

15.0

(14.5 -15.4)

Pennsylvania

42

12.9

(11.8 -14.1)

14.9

(14.1 -15.6)

Texas

49

13.3

(12.7 -13.8)

14.9

(14.1 -15.6)

*Low precision; no estimate reported.

NOTE: This table contains estimates among those persons who reported initiating the use of marijuana at age 25 or younger in 1995 through 1997.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10627

Table C.18 Average Age at First Alcohol and Marijuana Use Among Persons Reporting Initiation of Alcohol Before Marijuana, by State: 1999

State

Sample Size

Average Age at First Alcohol Use

Average Age at First Marijuana Use

Mean

95% C.I.

Mean

95% C.I.

National

575

14.4

(14.1 -14.7)

16.3

(16.0 -16.5)

California

51

14.8

(13.8 -15.7)

16.3

(15.2 -17.3)

Florida

18

11.9

(9.1 -14.6)

16.1

(14.8 -17.5)

Illinois

23

14.2

(12.8 -15.7)

16.3

(15.4 -17.2)

Michigan

30

15.5

(14.9 -16.0)

16.4

(15.9 -17.0)

New York

19

14.9

(14.1 -15.7)

16.6

(15.9 -17.4)

Ohio

31

15.2

(14.4 -15.9)

16.4

(15.6 -17.3)

Pennsylvania

19

15.4

(13.9 -16.9)

16.9

(15.7 -18.1)

Texas

32

14.3

(13.2 -15.4)

16.2

(15.3 -17.1)

*Low precision; no estimate reported.

NOTE: This table contains estimates among those persons who reported initiating the use of marijuana at age 25 or younger in 1995 through 1997.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

10627

Table C.19 Average Age at Time of Interview for Drug Initiation Patterns, by State: 1999

State

Initiated Alcohol Use Only Before Marijuana Use

Initiated Cigarette Use Only Before Marijuana Use

Initiated Alcohol and Cigarette Use Before Marijuana Use

Sample Size

Mean

95% C.I.

Sample Size

Mean

95% C.I.

Sample Size

Mean

95% C.I.

National

575

19.4

(19.1 - 19.7)

1,038

17.8

(17.6 -17.9)

3,330

19.9

(19.7 -20.0)

California

51

19.5

(18.4 - 20.6)

69

17.2

(16.7 -17.7)

179

20.0

(19.5 -20.5)

Florida

18

19.5

(18.2 - 20.9)

42

17.9

(17.0 -18.9)

118

19.5

(18.7 -20.3)

Illinois

23

19.6

(19.0 - 20.3)

62

17.9

(17.3 -18.5)

143

19.4

(18.9 -19.9)

Michigan

30

19.7

(19.1 - 20.3)

49

17.8

(17.1 -18.5)

169

20.4

(19.6 -21.2)

New York

19

19.5

(18.7 - 20.4)

36

18.2

(17.3 -19.1)

140

20.1

(19.2 -21.1)

Ohio

31

19.6

(18.8 - 20.4)

63

17.7

(17.1 -18.2)

179

20.1

(19.6 -20.6)

Pennsylvania

19

19.8

(18.6 - 21.0)

42

17.5

(16.5 -18.4)

175

20.1

(19.5 -20.8)

Texas

32

19.0

(18.1 - 19.9)

49

17.8

(17.0 -18.6)

149

19.9

(19.2 -20.5)

*Low precision; no estimate reported.

NOTE: This table contains estimates among those persons who reported initiating the use of marijuana at age 25 or younger in 1995 through 1997.

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 CAI.

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