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1998 National Household Survey on Drug Abuse:  Population Estimates

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Any Illicit Drug Use - Region

Table 2E. Any Illicit Drug Use by Age Group and Gender for Northeast Region in 1998

AGE/

/GENDER

Ever Used

 

Used Past Year

  

Used Past Month

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

RATE ESTIMATES (Percent)

AGE

                            

    12-17

21.7

(18.2

-

25.7)

  

17.9

(14.7

-

21.8)

  

10.7

(8.2

-

13.8)

    18-25

47.5

(41.8

-

53.2)

  

25.9

(21.7

-

30.6)

  

15.6

(12.3

-

19.7)

    26-34

57.1

(52.2

-

61.8)

  

12.5

(9.7

-

16.0)

  

7.2

(5.0

-

10.4)

    $35

32.8

(27.6

-

38.4)

  

5.5

(3.6

-

8.3)

  

2.9

(1.6

-

5.0)

GENDER

                            

    Male

42.8

(37.4

-

48.3)

  

12.5

(10.0

-

15.5)

  

7.7

(5.8

-

10.1)

    Female

32.3

(28.3

-

36.6)

  

8.1

(6.6

-

9.8)

  

4.1

(3.1

-

5.4)

                             

TOTAL

37.3

(33.7

-

41.0)

  

10.2

(8.4

-

12.3)

  

5.8

(4.6

-

7.3)

POPULATION ESTIMATES (In Thousands)

AGE

                            

    12-17

881

(737

-

1,044)

  

729

(596

-

884)

  

434

(334

-

560)

    18-25

2,346

(2,067

-

2,628)

  

1,279

(1,071

-

1,511)

  

772

(606

-

975)

    26-34

3,843

(3,513

-

4,164)

  

842

(651

-

1,079)

  

487

(336

-

699)

    $35

8,720

(7,337

-

10,225)

  

1,462

(962

-

2,201)

  

766

(435

-

1,336)

GENDER

                            

    Male

8,606

(7,524

-

9,723)

  

2,513

(2,016

-

3,112)

  

1,543

(1,165

-

2,029)

    Female

7,183

(6,300

-

8,128)

  

1,799

(1,476

-

2,186)

  

917

(692

-

1,211)

                             

TOTAL

15,789

(14,256

-

17,386)

  

4,312

(3,564

-

5,196)

  

2,460

(1,952

-

3,090)

Table 2F. Any Illicit Drug Use by Age Group and Gender for North Central Region in 1998

AGE/

/GENDER

Ever Used

 

Used Past Year

  

Used Past Month

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

RATE ESTIMATES (Percent)

AGE

                            

    12-17

22.0

(18.9

-

25.4)

  

17.0

(14.3

-

20.2)

  

11.6

(8.8

-

15.1)

    18-25

53.5

(49.1

-

57.8)

  

34.5

(30.5

-

38.6)

  

21.3

(17.9

-

25.1)

    26-34

53.4

(49.0

-

57.8)

  

12.6

(10.1

-

15.6)

  

7.0

(5.2

-

9.3)

    $35

31.2

(27.1

-

35.7)

  

4.7

(3.4

-

6.4)

  

2.6

(1.7

-

4.0)

GENDER

                            

    Male

43.7

(40.0

-

47.4)

  

13.5

(11.7

-

15.6)

  

8.1

(6.8

-

9.7)

    Female

29.9

(25.7

-

34.6)

  

8.8

(6.8

-

11.2)

  

5.3

(3.9

-

7.2)

                             

TOTAL

36.5

(33.0

-

40.2)

  

11.1

(9.5

-

12.8)

  

6.7

(5.5

-

8.1)

POPULATION ESTIMATES (In Thousands)

AGE

                            

    12-17

1,194

(1,028

-

1,379)

  

924

(775

-

1,095)

  

627

(476

-

818)

    18-25

3,545

(3,254

-

3,832)

  

2,284

(2,022

-

2,562)

  

1,411

(1,189

-

1,662)

    26-34

4,184

(3,837

-

4,526)

  

987

(790

-

1,225)

  

547

(407

-

730)

    $35

9,756

(8,463

-

11,150)

  

1,461

(1,066

-

1,994)

  

822

(535

-

1,256)

GENDER

                            

    Male

10,734

(9,837

-

11,648)

  

3,331

(2,878

-

3,842)

  

1,997

(1,661

-

2,393)

    Female

7,945

(6,812

-

9,179)

  

2,326

(1,811

-

2,971)

  

1,410

(1,036

-

1,910)

                             

TOTAL

18,679

(16,866

-

20,570)

  

5,657

(4,857

-

6,570)

  

3,407

(2,803

-

4,129)

* Low precision; no estimate reported.

Source: Office of Applied Studies, SAMHSA, National Household Survey on Drug Abuse, 1998

Any Illicit Drug Use - Region

Table 2G. Any Illicit Drug Use by Age Group and Gender for South Region in 1998

AGE/

/GENDER

Ever Used

 

Used Past Year

  

Used Past Month

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

RATE ESTIMATES (Percent)

AGE

                            

    12-17

19.0

(16.8

-

21.4)

  

13.8

(11.9

-

16.0)

  

7.8

(6.4

-

9.5)

    18-25

45.0

(41.2

-

48.8)

  

23.0

(19.8

-

26.6)

  

13.1

(10.8

-

15.9)

    26-34

45.2

(41.4

-

49.0)

  

12.0

(9.6

-

14.8)

  

6.6

(5.0

-

8.7)

    $35

27.9

(25.4

-

30.5)

  

4.9

(3.9

-

6.1)

  

3.2

(2.4

-

4.2)

GENDER

                            

    Male

37.2

(34.7

-

39.8)

  

11.8

(10.1

-

13.8)

  

7.6

(6.3

-

9.2)

    Female

27.0

(24.6

-

29.5)

  

7.0

(5.9

-

8.2)

  

3.6

(2.8

-

4.5)

                             

TOTAL

31.9

(29.8

-

34.0)

  

9.3

(8.2

-

10.5)

  

5.5

(4.7

-

6.4)

POPULATION ESTIMATES (In Thousands)

AGE

                            

    12-17

1,526

(1,348

-

1,722)

  

1,112

(955

-

1,290)

  

628

(515

-

765)

    18-25

4,519

(4,143

-

4,901)

  

2,313

(1,986

-

2,675)

  

1,318

(1,084

-

1,593)

    26-34

5,487

(5,033

-

5,949)

  

1,452

(1,165

-

1,799)

  

801

(608

-

1,052)

    $35

13,124

(11,948

-

14,369)

  

2,296

(1,840

-

2,859)

  

1,505

(1,138

-

1,984)

GENDER

                            

    Male

13,760

(12,833

-

14,712)

  

4,361

(3,724

-

5,090)

  

2,815

(2,316

-

3,409)

    Female

10,898

(9,932

-

11,920)

  

2,812

(2,379

-

3,317)

  

1,438

(1,137

-

1,814)

                             

TOTAL

24,657

(23,077

-

26,294)

  

7,173

(6,313

-

8,138)

  

4,252

(3,651

-

4,945)

Table 2H. Any Illicit Drug Use by Age Group and Gender for West Region in 1998

AGE/

/GENDER

Ever Used

 

Used Past Year

  

Used Past Month

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

  

Observed

Estimate

95% C.I.

RATE ESTIMATES (Percent)

AGE

                            

    12-17

24.0

(21.0

-

27.3)

  

18.5

(15.8

-

21.5)

  

11.0

(9.1

-

13.2)

    18-25

47.9

(43.8

-

51.9)

  

28.1

(24.9

-

31.7)

  

16.0

(13.7

-

18.5)

    26-34

50.5

(46.4

-

54.6)

  

14.1

(11.7

-

17.0)

  

7.6

(5.5

-

10.3)

    $35

38.1

(34.9

-

41.4)

  

7.5

(6.1

-

9.2)

  

4.7

(3.6

-

6.1)

GENDER

                            

    Male

45.4

(41.8

-

49.1)

  

15.3

(13.5

-

17.3)

  

9.1

(7.5

-

11.1)

    Female

34.5

(31.3

-

37.9)

  

9.9

(8.7

-

11.2)

  

5.6

(4.7

-

6.7)

                             

TOTAL

39.9

(37.3

-

42.6)

  

12.5

(11.3

-

13.9)

  

7.3

(6.2

-

8.6)

POPULATION ESTIMATES (In Thousands)

AGE

                            

    12-17

1,249

(1,094

-

1,420)

  

963

(823

-

1,119)

  

572

(476

-

685)

    18-25

3,036

(2,780

-

3,293)

  

1,784

(1,576

-

2,008)

  

1,012

(869

-

1,173)

    26-34

3,983

(3,659

-

4,306)

  

1,116

(921

-

1,343)

  

596

(433

-

812)

    $35

10,730

(9,827

-

11,662)

  

2,110

(1,710

-

2,595)

  

1,316

(1,006

-

1,717)

GENDER

                            

    Male

10,683

(9,820

-

11,557)

  

3,592

(3,172

-

4,057)

  

2,141

(1,756

-

2,600)

    Female

8,315

(7,539

-

9,127)

  

2,381

(2,092

-

2,705)

  

1,356

(1,142

-

1,607)

                             

TOTAL

18,998

(17,744

-

20,280)

  

5,973

(5,383

-

6,617)

  

3,497

(2,971

-

4,106)

* Low precision; no estimate reported.

Source: Office of Applied Studies, SAMHSA, National Household Survey on Drug Abuse, 1998

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