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1997 National Household Survey on Drug Abuse:  Population Estimates

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Section III Estimates of Prevalence of Use of Specific Drugs and Drug Classes

Any Illicit Drug Use - Total Population

Table 2A.Any Illicit Drug Use by Sex Within Age Group for Total Population in 1997

AGE/

/SEX

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)

12-17

23.7

(22.2

-

25.4)


18.8

(17.3

-

20.4)


11.4

(10.3

-

12.7)

Male

24.3

(22.2

-

26.5)


18.9

(17.0

-

21.0)


12.3

(10.8

-

14.0)

Female

23.2

(21.1

-

25.3)


18.6

(16.8

-

20.5)


10.6

(9.1

-

12.2)


18-25

45.4

(42.9

-

47.9)


25.3

(23.2

-

27.5)


14.7

(13.0

-

16.5)

Male

50.3

(47.2

-

53.3)


30.8

(27.8

-

34.0)


19.6

(16.7

-

22.8)

Female

40.4

(37.3

-

43.5)


19.7

(17.6

-

22.1)


9.6

(8.1

-

11.4)


26-34

50.8

(48.5

-

53.0)


14.3

(12.7

-

16.0)


7.4

(6.3

-

8.6)

Male

56.0

(52.7

-

59.2)


17.9

(15.3

-

20.7)


9.6

(7.8

-

11.7)

Female

45.6

(42.6

-

48.6)


10.8

(9.1

-

12.8)


5.2

(4.1

-

6.7)



_35

31.5

(29.5

-

33.5)


6.1

(5.0

-

7.3)


3.6

(2.8

-

4.6)

Male

36.9

(33.7

-

40.2)


8.4

(6.6

-

10.7)


5.0

(3.6

-

6.9)

Female

26.7

(24.3

-

29.3)


4.0

(3.2

-

4.9)


2.3

(1.7

-

3.2)



TOTAL

35.6

(34.2

-

37.0)


11.2

(10.5

-

12.0)


6.4

(5.9

-

7.0)

Male

40.5

(38.5

-

42.5)


14.2

(13.0

-

15.5)


8.5

(7.6

-

9.6)

Female

31.0

(29.3

-

32.9)


8.4

(7.7

-

9.2)


4.5

(3.9

-

5.1)



POPULATION ESTIMATES (In Thousands)

12-17

5,353

(5,000

-

5,724)


4,228

(3,890

-

4,589)


2,580

(2,327

-

2,857)

Male

2,794

(2,554

-

3,049)


2,176

(1,950

-

2,420)


1,415

(1,239

-

1,611)

Female

2,559

(2,336

-

2,796)


2,053

(1,855

-

2,267)


1,166

(1,007

-

1,346)
















18-25

12,565

(11,886

-

13,250)


7,009

(6,424

-

7,629)


4,060

(3,606

-

4,561)

Male

7,030

(6,603

-

7,456)


4,304

(3,885

-

4,748)


2,737

(2,340

-

3,184)

Female

5,535

(5,118

-

5,963)


2,705

(2,410

-

3,025)


1,323

(1,113

-

1,567)




26-34

17,891

(17,110

-

18,670)


5,037

(4,489

-

5,639)


2,606

(2,226

-

3,047)

Male

9,794

(9,219

-

10,360)


3,122

(2,679

-

3,621)


1,675

(1,363

-

2,049)

Female

8,097

(7,564

-

8,635)


1,915

(1,607

-

2,272)


932

(727

-

1,191)




_35

41,151

(38,578

-

43,815)


7,915

(6,562

-

9,526)


4,657

(3,637

-

5,950)

Male

22,526

(20,581

-

24,544)


5,157

(4,041

-

6,546)


3,049

(2,201

-

4,199)

Female

18,625

(16,914

-

20,443)


2,758

(2,218

-

3,423)


1,609

(1,172

-

2,203)


TOTAL

76,960

(74,007

-

79,966)


24,189

(22,599

-

25,877)


13,904

(12,716

-

15,195)

Male

42,144

(40,095

-

44,225)


14,759

(13,492

-

16,124)


8,875

(7,866

-

10,000)

Female

34,817

(32,835

-

36,862)


9,430

(8,617

-

10,312)


5,029

(4,385

-

5,763)

* Low precision; no estimate reported

Source:Substance Abuse and Mental Health Services Administration, Office of Applied Studies

1997 National Household Survey on Drug Abuse

Any Illicit Drug Use - Race/Ethnicity

Table 2B.Any Illicit Drug Use by Age Group and Sex for Whites in 1997

AGE/

/SEX

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

24.4

(22.2

-

26.7)


19.6

(17.6

-

21.8)


11.8

(10.3

-

13.5)

18-25

50.4

(46.9

-

53.9)


27.3

(24.4

-

30.4)


15.1

(12.9

-

17.6)

26-34

58.2

(55.1

-

61.1)


16.0

(13.8

-

18.3)


8.4

(7.0

-

10.2)

_35

33.2

(30.9

-

35.7)


6.0

(4.8

-

7.5)


3.6

(2.7

-

4.7)

SEX















Male

42.3

(39.8

-

44.9)


14.5

(13.0

-

16.2)


8.7

(7.5

-

10.1)

Female

34.3

(32.2

-

36.5)


8.2

(7.4

-

9.1)


4.2

(3.6

-

5.0)
















TOTAL

38.2

(36.4

-

39.9)


11.3

(10.4

-

12.2)


6.4

(5.7

-

7.2)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

3,696

(3,361

-

4,054)


2,969

(2,663

-

3,300)


1,791

(1,557

-

2,055)

18-25

9,408

(8,752

-

10,064)


5,093

(4,559

-

5,664)


2,819

(2,409

-

3,283)

26-34

14,218

(13,474

-

14,948)


3,900

(3,385

-

4,477)


2,065

(1,706

-

2,492)

_35

34,196

(31,780

-

36,700)


6,214

(4,955

-

7,767)


3,655

(2,734

-

4,870)

SEX















Male

32,938

(30,962

-

34,946)


11,319

(10,122

-

12,631)


6,800

(5,846

-

7,894)

Female

28,580

(26,802

-

30,413)


6,857

(6,163

-

7,621)


3,530

(3,011

-

4,132)
















TOTAL

61,518

(58,733

-

64,352)


18,176

(16,726

-

19,733)


10,330

(9,227

-

11,555)

Table 2C.Any Illicit Drug Use by Age Group and Sex for Hispanics in 1997

AGE/

/SEX

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

(18.9

-

24.8)


16.5

(14.1

-

19.3)


10.5

(8.6

-

12.8)

18-25

32.0

(28.5

-

35.6)


16.5

(13.9

-

19.5)


10.5

(8.4

-

13.1)

26-34

29.1

(25.2

-

33.3)


7.8

(5.8

-

10.5)


3.8

(2.5

-

5.8)

_35

23.4

(19.8

-

27.5)


6.3

(4.0

-

9.9)


3.7

(1.9

-

7.0)

SEX















Male

32.4

(29.0

-

36.0)


12.1

(9.9

-

14.7)


7.1

(5.8

-

8.8)

Female

19.2

(16.6

-

22.2)


7.5

(5.7

-

9.9)


4.5

(2.9

-

6.9)
















TOTAL

25.9

(23.5

-

28.4)


9.9

(8.4

-

11.6)


5.9

(4.7

-

7.2)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

651

(567

-

744)


497

(425

-

579)


317

(260

-

385)

18-25

1,217

(1,085

-

1,357)


628

(527

-

744)


399

(319

-

497)

26-34

1,350

(1,170

-

1,546)


363

(268

-

489)


178

(117

-

269)

_35

2,369

(1,999

-

2,784)


640

(403

-

1,003)


370

(191

-

708)

SEX















Male

3,539

(3,166

-

3,933)


1,326

(1,087

-

1,609)


781

(632

-

963)

Female

2,049

(1,766

-

2,365)


803

(608

-

1,054)


483

(313

-

738)
















TOTAL

5,588

(5,081

-

6,126)


2,129

(1,809

-

2,498)


1,264

(1,025

-

1,555)

* Low precision; no estimate reported

Source:Substance Abuse and Mental Health Services Administration, Office of Applied Studies

1997 National Household Survey on Drug Abuse

Any Illicit Drug Use - Race/Ethnicity

Table 2D.Any Illicit Drug Use by Age Group and Sex for Blacks in 1997

AGE/

/SEX

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

21.4

(18.7

-

24.4)


15.7

(12.9

-

18.8)


11.0

(8.5

-

13.9)

18-25

35.0

(31.0

-

39.2)


21.7

(18.6

-

25.1)


15.5

(12.9

-

18.5)

26-34

40.2

(36.5

-

44.1)


14.8

(12.4

-

17.6)


7.0

(5.5

-

8.8)

_35

29.3

(25.8

-

33.1)


7.5

(5.5

-

10.0)


4.4

(3.0

-

6.4)

SEX















Male

38.8

(34.9

-

42.9)


14.7

(12.1

-

17.7)


9.3

(7.6

-

11.3)

Female

24.9

(22.3

-

27.6)


10.0

(8.4

-

12.0)


6.0

(4.8

-

7.5)
















TOTAL

31.1

(28.9

-

33.5)


12.1

(10.6

-

13.9)


7.5

(6.4

-

8.7)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

692

(605

-

788)


505

(417

-

608)


354

(276

-

450)

18-25

1,355

(1,201

-

1,517)


841

(722

-

974)


600

(499

-

718)

26-34

1,767

(1,602

-

1,938)


650

(544

-

773)


307

(242

-

387)

_35

3,785

(3,332

-

4,271)


962

(712

-

1,291)


564

(383

-

825)

SEX















Male

4,255

(3,822

-

4,705)


1,609

(1,324

-

1,943)


1,014

(831

-

1,234)

Female

3,344

(3,004

-

3,708)


1,350

(1,128

-

1,610)


810

(646

-

1,012)
















TOTAL

7,599

(7,041

-

8,180)


2,959

(2,581

-

3,383)


1,824

(1,561

-

2,128)

* Low precision; no estimate reported

Source:Substance Abuse and Mental Health Services Administration, Office of Applied Studies

1997 National Household Survey on Drug Abuse

Any Illicit Drug Use - Region

Table 2E.Any Illicit Drug Use by Age Group and Sex for Northeast Region in 1997

AGE/

/SEX

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

18.4

(14.9

-

22.4)


15.6

(12.4

-

19.6)


10.5

(7.8

-

14.0)

18-25

44.4

(36.7

-

52.4)


22.5

(18.0

-

27.8)


12.7

(9.3

-

17.2)

26-34

49.3

(44.1

-

54.5)


10.9

(8.0

-

14.6)


4.3

(2.8

-

6.4)

_35

29.7

(25.1

-

34.7)


4.4

(2.6

-

7.4)


2.5

(1.1

-

5.7)

SEX















Male

38.1

(31.3

-

45.4)


11.6

(8.8

-

15.2)


6.4

(4.1

-

9.8)

Female

28.7

(25.1

-

32.6)


5.5

(4.3

-

7.0)


3.0

(2.0

-

4.5)
















TOTAL

33.2

(29.4

-

37.3)


8.4

(6.9

-

10.3)


4.7

(3.4

-

6.4)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

702

(571

-

855)


598

(473

-

749)


402

(298

-

535)

18-25

1,957

(1,618

-

2,309)


993

(794

-

1,225)


561

(409

-

759)

26-34

3,081

(2,757

-

3,406)


678

(498

-

912)


268

(178

-

399)

_35

7,673

(6,479

-

8,984)


1,138

(671

-

1,906)


654

(286

-

1,471)

SEX















Male

7,437

(6,110

-

8,863)


2,263

(1,713

-

2,960)


1,254

(810

-

1,916)

Female

5,976

(5,223

-

6,790)


1,144

(897

-

1,454)


631

(423

-

936)
















TOTAL

13,413

(11,873

-

15,047)


3,407

(2,780

-

4,159)


1,885

(1,378

-

2,565)

Table 2F.Any Illicit Drug Use by Age Group and Sex for North Central Region in 1997

AGE/

/SEX

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

23.2

(19.2

-

27.7)


18.9

(15.1

-

23.3)


12.2

(9.3

-

15.8)

18-25

47.0

(42.4

-

51.6)


25.2

(21.1

-

29.8)


13.6

(10.4

-

17.6)

26-34

53.3

(48.0

-

58.5)


16.3

(13.2

-

20.1)


9.7

(7.2

-

13.1)

_35

33.1

(28.4

-

38.1)


6.3

(4.0

-

9.7)


4.3

(2.4

-

7.4)

SEX















Male

41.5

(37.1

-

46.0)


15.3

(12.4

-

18.7)


9.8

(7.5

-

12.6)

Female

34.0

(30.2

-

38.1)


9.0

(7.3

-

11.1)


5.2

(3.9

-

7.0)
















TOTAL

37.4

(34.4

-

40.5)


11.9

(10.0

-

14.0)


7.3

(5.8

-

9.1)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

1,194

(987

-

1,429)


973

(778

-

1,204)


627

(479

-

813)

18-25

2,965

(2,674

-

3,258)


1,591

(1,333

-

1,880)


858

(655

-

1,111)

26-34

4,579

(4,125

-

5,027)


1,402

(1,130

-

1,725)


838

(618

-

1,125)

_35

9,354

(8,033

-

10,776)


1,771

(1,126

-

2,748)


1,207

(688

-

2,087)

SEX















Male

9,116

(8,148

-

10,114)


3,354

(2,720

-

4,103)


2,145

(1,647

-

2,773)

Female

8,976

(7,971

-

10,038)


2,383

(1,926

-

2,936)


1,384

(1,037

-

1,839)
















TOTAL

18,092

(16,646

-

19,585)


5,737

(4,854

-

6,755)


3,529

(2,818

-

4,403)

* Low precision; no estimate reported

Source:Substance Abuse and Mental Health Services Administration, Office of Applied Studies

1997 National Household Survey on Drug Abuse

Any Illicit Drug Use - Region

Table 2G.Any Illicit Drug Use by Age Group and Sex for South Region in 1997

AGE/

/SEX

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

23.4

(21.2

-

25.7)


17.4

(15.4

-

19.6)


10.7

(9.2

-

12.4)

18-25

42.6

(39.1

-

46.2)


23.9

(21.1

-

27.0)


13.6

(11.1

-

16.7)

26-34

47.5

(44.1

-

50.9)


13.6

(10.8

-

17.0)


6.2

(4.8

-

8.0)

_35

28.5

(25.2

-

31.9)


5.1

(3.5

-

7.3)


3.1

(2.0

-

4.8)

SEX















Male

37.5

(34.4

-

40.7)


12.9

(10.9

-

15.3)


8.0

(6.5

-

9.8)

Female

28.5

(25.6

-

31.5)


7.8

(6.6

-

9.1)


3.8

(3.1

-

4.7)
















TOTAL

32.8

(30.6

-

35.1)


10.3

(9.0

-

11.7)


5.8

(5.0

-

6.8)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

1,986

(1,799

-

2,186)


1,477

(1,305

-

1,666)


906

(778

-

1,052)

18-25

4,754

(4,364

-

5,152)


2,669

(2,350

-

3,015)


1,521

(1,234

-

1,861)

26-34

6,006

(5,579

-

6,435)


1,719

(1,364

-

2,149)


784

(603

-

1,014)

_35

13,925

(12,337

-

15,631)


2,488

(1,716

-

3,581)


1,537

(992

-

2,368)

SEX















Male

14,780

(13,562

-

16,040)


5,104

(4,297

-

6,036)


3,150

(2,561

-

3,860)

Female

11,891

(10,681

-

13,179)


3,249

(2,778

-

3,792)


1,598

(1,300

-

1,960)
















TOTAL

26,670

(24,874

-

28,531)


8,353

(7,309

-

9,527)


4,747

(4,066

-

5,535)

Table 2H.Any Illicit Drug Use by Age Group and Sex for West Region in 1997

AGE/

/SEX

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

29.0

(26.1

-

32.1)


23.3

(20.5

-

26.2)


12.7

(10.7

-

15.1)

18-25

49.6

(42.3

-

56.9)


30.2

(22.9

-

38.5)


19.2

(14.8

-

24.6)

26-34

54.5

(49.4

-

59.5)


16.0

(12.3

-

20.4)


9.3

(6.7

-

12.7)

_35

36.9

(33.5

-

40.5)


9.1

(7.0

-

11.7)


4.6

(3.1

-

6.7)

SEX















Male

46.9

(43.3

-

50.4)


17.5

(15.1

-

20.2)


10.1

(8.3

-

12.1)

Female

34.4

(30.3

-

38.6)


11.4

(9.8

-

13.3)


6.1

(4.6

-

8.1)
















TOTAL

40.6

(38.3

-

43.0)


14.5

(13.0

-

16.1)


8.1

(6.9

-

9.4)

POPULATION ESTIMATES (In Thousands)

AGE















12-17

1,471

(1,324

-

1,627)


1,180

(1,042

-

1,332)


645

(542

-

765)

18-25

2,889

(2,462

-

3,318)


1,757

(1,335

-

2,246)


1,121

(862

-

1,434)

26-34

4,225

(3,828

-

4,616)


1,238

(956

-

1,583)


718

(519

-

981)

_35

10,200

(9,240

-

11,199)


2,518

(1,943

-

3,241)


1,259

(848

-

1,855)

SEX















Male

10,811

(9,998

-

11,631)


4,039

(3,494

-

4,649)


2,326

(1,924

-

2,802)

Female

7,975

(7,039

-

8,966)


2,654

(2,273

-

3,089)


1,416

(1,065

-

1,872)
















TOTAL

18,786

(17,709

-

19,882)


6,693

(6,014

-

7,434)


3,742

(3,206

-

4,360)

* Low precision; no estimate reported

Source:Substance Abuse and Mental Health Services Administration, Office of Applied Studies

1997 National Household Survey on Drug Abuse

Marijuana - Total Population

Table 3A.Marijuana Use by Sex Within Age Group for Total Population in 1997

AGE/

/SEX

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)

12-17

18.9

(17.4

-

20.4)


15.8

(14.4

-

17.3)


9.4

(8.3

-

10.5)

Male

19.5

(17.6

-

21.6)


15.9

(14.1

-

18.0)


10.3

(8.9

-

11.9)

Female

18.2

(16.2

-

20.3)


15.6

(13.8

-

17.5)


8.4

(7.1

-

10.0)


18-25

41.5

(38.7

-

44.3)


22.3

(20.0

-

24.9)


12.8

(11.2

-

14.7)

Male

46.6

(43.2

-

50.0)


27.9

(24.6

-

31.5)


17.4

(14.7

-

20.6)

Female

36.2

(32.9

-

39.7)


16.6

(14.5

-

19.0)


8.2

(6.8

-

9.8)


26-34

47.9

(45.6

-

50.2)


11.2

(9.8

-

12.7)


6.0

(5.0

-

7.1)

Male

53.4

(50.1

-

56.7)


14.2

(11.8

-

16.9)


7.7

(6.2

-

9.7)

Female

42.5

(39.4

-

45.6)


8.3

(6.8

-

10.0)


4.2

(3.2

-

5.5)



_35

29.4

(27.5

-

31.4)


4.4

(3.5

-

5.6)


2.6

(1.9

-

3.5)

Male

34.8

(31.8

-

37.9)


6.4

(4.7

-

8.6)


3.7

(2.5

-

5.5)

Female

24.7

(22.3

-

27.3)


2.7

(2.0

-

3.5)


1.5

(1.0

-

2.3)



TOTAL

32.9

(31.5

-

34.3)


9.0

(8.3

-

9.8)


5.1

(4.6

-

5.7)

Male

37.8

(35.9

-

39.8)


11.6

(10.5

-

12.9)


7.0

(6.1

-

8.0)

Female

28.3

(26.6

-

30.1)


6.5

(5.9

-

7.2)


3.5

(3.0

-

4.0)



POPULATION ESTIMATES (In Thousands)

12-17

4,256

(3,927

-

4,606)


3,556

(3,243

-

3,894)


2,116

(1,880

-

2,378)

Male

2,246

(2,026

-

2,485)


1,834

(1,623

-

2,067)


1,185

(1,027

-

1,364)

Female

2,010

(1,792

-

2,248)


1,722

(1,530

-

1,934)


931

(786

-

1,100)
















18-25

11,483

(10,713

-

12,268)


6,184

(5,535

-

6,886)


3,557

(3,106

-

4,062)

Male

6,514

(6,044

-

6,988)


3,907

(3,443

-

4,408)


2,438

(2,055

-

2,877)

Female

4,969

(4,514

-

5,442)


2,277

(1,982

-

2,606)


1,118

(931

-

1,339)




26-34

16,892

(16,087

-

17,700)


3,946

(3,458

-

4,493)


2,099

(1,758

-

2,500)

Male

9,347

(8,770

-

9,919)


2,477

(2,070

-

2,949)


1,354

(1,076

-