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1997 National Household Survey on Drug Abuse: Preliminary Results

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80529 (101A)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 1A.Estimated Numbers of Persons (in Thousands) in the U.S. Population Aged 12 and Older, by Age Group, Race/Ethnicity, and Sex: 1979-1997

Demographic

Characteristics

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













TOTAL

180,343

186,440

192,605

198,347

202,859

205,713

207,199

209,411

211,532

214,047

216,206













AGE GROUP












12-17

23,758

22,295

21,558

20,250

20,145

20,684

21,224

21,773

22,208

22,512

22,547

18-25

32,604

33,236

31,601

29,688

28,496

27,964

28,327

28,027

27,820

27,796

27,691

26-34

31,339

34,241

36,477

38,570

38,737

38,215

37,194

36,588

35,975

35,474

35,246

>35

92,641

96,669

102,969

109,839

115,481

118,850

120,453

123,023

125,529

128,265

130,722













RACE/ETHNICITY












White

147,202

150,087

154,224

156,742

157,363

158,398

157,693

159,029

159,722

160,358

161,169

Black

19,271

20,134

21,332

22,271

23,030

23,649

23,002

23,365

23,686

24,053

24,406

Hispanic

10,586

11,834

13,256

14,925

16,178

16,849

18,501

19,112

19,736

20,813

21,578

Other

3,283

4,385

3,793

4,408

6,288

6,816

8,002

7,905

8,388

8,823

9,054













SEX












Male

85,887

88,840

91,828

94,878

97,242

98,778

99,322

100,365

101,449

102,928

104,017

Female

94,456

97,600

100,776

103,468

105,617

106,935

107,877

109,046

110,083

111,120

112,189

*Low precision; no estimate reported.

-- Not available.

NOTE:The population distributions for the 1993 through 1997 NHSDAs are post-stratified to population projections of totals based on the 1990 decennial census. The 1979 NHSDA used population projections based on the 1970 census; NHSDAs from 1982 through 1992 used projections based on the 1980 census. The change from one census base to another has little effect on estimated percentages reporting drug use, but may have a significant effect on estimates of number of drug users in some subpopulation groups.

NOTE:Estimates for 1979 through 1993 may differ from estimates for these survey years that were published in other NHSDA reports. The estimates shown here for 1979 through 1993 have been adjusted to improve their comparability with estimates based on the new version of the NHSDA instrument that was fielded in 1994 and subsequent NHSDAs. For 1979 and 1982, estimates are not shown (as indicated by --) where (a) the relevant data were not collected, or (b) the data for those drugs were based on measures that differed appreciably from those used in the other survey years. Consequently, adjustments to the 1979 and 1982 data were made only for those drugs whose measures were comparable to those in the other survey years.

Because of the methodology used to adjust the 1979 through 1993 estimates, some logical inconsistency may exist between estimates for a given drug within the same survey year. For example, some adjusted estimates of past year use may appear to be greater then adjusted lifetime estimates. These inconsistencies tend to be small, rare and not statistically significant.

aDifference between estimate and 1997 estimate is statistically significant at the .05 level.

bDifference between estimate and 1997 estimate is statistically significant at the .01 level.

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

80529 (101N)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 1N.Survey Sample Sizes for All Respondents Aged 12 and Older, by Age Group, Race/Ethnicity, and Sex: 1979-1997

Demographic

Characteristics

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













TOTAL

7,224

5,624

8,021

8,814

32,594

28,832

26,489

17,809

17,747

18,269

24,505













AGE GROUP












12-17

2,165

1,581

2,230

3,095

8,005

7,254

6,978

4,698

4,595

4,538

7,844

18-25

2,044

1,283

1,812

1,505

7,937

7,721

5,531

3,706

3,963

4,366

6,239

26-34

1,064

1,571

2,166

1,987

8,126

7,516

8,342

5,223

5,213

5,262

4,387

>35

1,951

1,189

1,813

2,227

8,526

6,341

5,638

4,182

3,976

4,103

6,035













RACE/ETHNICITY












White

5,862

4,532

3,960

4,551

15,648

14,080

12,478

8,663

8,459

8,481

12,443

Black

798

673

1,950

1,888

8,050

6,511

6,183

4,010

4,208

4,372

4,639

Hispanic

354

299

2,003

2,193

7,916

7,148

6,894

4,706

4,599

4,841

6,259

Other

210

120

108

182

980

1,093

934

430

481

575

1,164













SEX












Male

3,357

2,637

3,516

3,938

14,422

12,988

12,059

7,950

7,652

7,774

10,836

Female

3,867

2,987

4,505

4,876

18,172

15,844

14,430

9,859

10,095

10,495

13,669

*Low precision; no estimate reported.

-- Not available.

NOTE:The population distributions for the 1993 through 1997 NHSDAs are post-stratified to population projections of totals based on the 1990 decennial census. The 1979 NHSDA used population projections based on the 1970 census; NHSDAs from 1982 through 1992 used projections based on the 1980 census. The change from one census base to another has little effect on estimated percentages reporting drug use, but may have a significant effect on estimates of number of drug users in some subpopulation groups.

NOTE:Estimates for 1979 through 1993 may differ from estimates for these survey years that were published in other NHSDA reports. The estimates shown here for 1979 through 1993 have been adjusted to improve their comparability with estimates based on the new version of the NHSDA instrument that was fielded in 1994 and subsequent NHSDAs. For 1979 and 1982, estimates are not shown (as indicated by --) where (a) the relevant data were not collected, or (b) the data for those drugs were based on measures that differed appreciably from those used in the other survey years. Consequently, adjustments to the 1979 and 1982 data were made only for those drugs whose measures were comparable to those in the other survey years.

Because of the methodology used to adjust the 1979 through 1993 estimates, some logical inconsistency may exist between estimates for a given drug within the same survey year. For example, some adjusted estimates of past year use may appear to be greater then adjusted lifetime estimates. These inconsistencies tend to be small, rare and not statistically significant.

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

80529 (1A)PRELIMINARY DATA - AS OF JUNE 1998

Table 2A.Estimated Numbers of Persons (in Thousands) in the U.S. Population Aged 12 and Older, by Age Group and Demographic Characteristics: 1996 and 1997


AGE GROUP (Years)



12-17

18-25

26-34

35 and Older

Total

Demographic

Characteristic

1996

1997

1996

1997

1996

1997

1996

1997

1996

1997












TOTAL

22,512

22,547

27,796

27,691

35,474

35,246

128,265

130,722

214,047

216,206












RACE/

ETHNICITY











White

15,243

15,166

18,764

18,661

24,948

24,449

101,403

102,893

160,358

161,169

Black

3,288

3,227

3,778

3,874

4,282

4,392

12,706

12,912

24,053

24,406

Hispanic

2,909

3,007

3,882

3,807

4,504

4,643

9,518

10,120

20,813

21,578

Other

1,072

1,147

1,373

1,350

1,740

1,761

4,638

4,797

8,823

9,054












SEX











Male

11,538

11,501

13,871

13,981

17,352

17,490

60,167

61,045

102,928

104,017

Female

10,974

11,047

13,925

13,710

18,122

17,755

68,098

69,677

111,120

112,189












POPULATION

DENSITY1











Large Metro

9,103

9,196

12,158

11,261

16,815

16,793

54,972

53,345

93,048

90,595

Small Metro

8,084

8,059

9,605

10,116

11,550

11,776

43,824

46,497

73,064

76,447

Nonmetro

5,324

5,292

6,033

6,314

7,109

6,677

29,470

30,881

47,936

49,164












REGION











Northeast

3,738

3,825

4,661

4,408

6,866

6,244

26,969

25,864

42,234

40,342

North Central

5,863

5,154

6,740

6,309

8,327

8,593

30,825

28,299

51,755

48,356

South

7,946

8,492

9,546

11,147

12,133

12,655

44,923

48,938

74,549

81,231

West

4,964

5,076

6,849

5,826

8,149

7,754

25,548

27,621

45,510

46,278












ADULT

EDUCATION2











<High School

N/A

N/A

5,873

5,809

5,447

4,988

26,040

25,785

37,360

36,581

High School Grad

N/A

N/A

9,708

9,974

11,328

11,429

44,620

43,760

65,656

65,162

Some College

N/A

N/A

8,434

8,969

8,438

9,266

26,531

27,585

43,402

45,820

College Graduate

N/A

N/A

3,781

2,939

10,261

9,563

31,075

33,592

45,118

46,095












CURRENT

EMPLOYMENT2











Full-time

N/A

N/A

13,179

13,285

24,308

24,448

61,596

65,260

99,083

102,993

Part-time

N/A

N/A

6,417

6,293

3,705

3,546

11,953

11,328

22,075

21,167

Unemployed

N/A

N/A

2,227

2,316

1,863

1,911

4,179

4,327

8,269

8,554

Other3

N/A

N/A

5,973

5,797

5,598

5,341

50,538

49,808

62,109

60,945

N/A: Not applicable.

1Population density is based on 1990 MSA classifications and their 1990 Census of Population counts.

2Data on adult education and current employment not shown for persons aged 12-17. Estimates for both adult education and current employment are for persons aged >18.

3Retired, disabled, homemaker, student, or "other."

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1996 and 1997.

80529 (1N)PRELIMINARY DATA - AS OF JUNE 1998

Table 2N.Survey Sample Sizes for All Respondents Aged 12 and Older, by Age Group and Demographic Characteristics: 1996 and 1997


AGE GROUP (Years)



12-17

18-25

26-34

35 and Older

Total

Demographic

Characteristic

1996

1997

1996

1997

1996

1997

1996

1997

1996

1997












TOTAL

4,538

7,844

4,366

6,239

5,262

4,387

4,103

6,035

18,269

24,505












RACE/

ETHNICITY











White

2,092

3,970

1,858

2,966

2,614

1,939

1,917

3,568

8,481

12,443

Black

1,073

1,346

1,134

1,062

1,134

1,184

1,031

1,047

4,372

4,639

Hispanic

1,225

2,086

1,213

1,863

1,334

1,134

1,069

1,176

4,841

6,259

Other

148

442

161

348

180

130

86

244

575

1,164












SEX











Male

2,252

3,871

1,765

2,756

2,151

1,766

1,606

2,443

7,774

10,836

Female

2,286

3,973

2,601

3,483

3,111

2,621

2,497

3,592

10,495

13,669












POPULATION

DENSITY1











Large Metro

2,098

4,072

2,098

3,408

2,775

2,301

2,072

3,183

9,043

12,964

Small Metro

1,544

2,289

1,426

1,813

1,582

1,308

1,285

1,727

5,837

7,137

Nonmetro

896

1,483

842

1,018

905

778

746

1,125

3,389

4,404












REGION











Northeast

719

843

697

618

954

684

778

760

3,148

2,905

North Central

916

992

838

731

1,036

762

735

770

3,525

3,255

South

1,810

2,226

1,751

1,733

1,986

1,765

1,655

1,830

7,202

7,554

West

1,093

3,783

1,080

3,157

1,286

1,176

935

2,675

4,394

10,791












ADULT

EDUCATION2











<High School

N/A

N/A

1,184

1,580

1,085

918

1,135

1,474

3,404

3,972

High School Grad

N/A

N/A

1,567

2,254

1,730

1,510

1,317

1,821

4,614

5,585

Some College

N/A

N/A

1,163

1,842

1,221

1,093

846

1,344

3,230

4,279

College Graduate

N/A

N/A

452

563

1,226

866

805

1,396

2,483

2,825












CURRENT

EMPLOYMENT2











Full-time

N/A

N/A

1,889

2,922

3,400

2,856

2,245

3,061

7,534

8,839

Part-time

N/A

N/A

927

1,257

558

450

395

553

1,880

2,260

Unemployed

N/A

N/A

432

602

322

291

205

248

959

1,141

Other3

N/A

N/A

1,118

1,458

982

790

1,258

2,173

3,358

4,421

N/A: Not applicable.

1Population density is based on 1990 MSA classifications and their 1990 Census of Population counts.

2Data on adult education and current employment not shown for persons aged 12-17. Estimates for both adult education and current employment are for persons aged >18.

3Retired, disabled, homemaker, student, or "other."

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1996 and 1997.

80529 (103A)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 3A.Estimated Numbers (in Thousands) of Lifetime Users of Illicit Drugs, Alcohol, and Tobacco in the U.S. Population Aged 12 and Older: 1979-1997

Drug

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













Any Illicit Drug1

56,414b

--

66,172b

67,457b

69,256a

68,528a

70,776

71,935a

72,426a

74,390

76,960













Marijuana and Hashish

50,322b

53,312b

56,547b

60,755b

61,900b

62,075b

64,149a

65,229b

65,545b

68,571

71,112

Cocaine

15,541b

21,756

21,495

21,058

23,271

22,482

23,369

21,821

21,700

22,130

22,597

Crack

--

--

--

2,672b

4,194

3,010a

4,034

4,042

3,895

4,628

4,208

Inhalants

--

--

15,167

12,646

12,300

10,988

12,240

12,178

12,016

11,909

12,335

Hallucinogens

16,016b

16,989

13,221b

15,165b

17,007a

17,065a

18,743

18,217a

20,129

20,699

20,656

PCP

--

--

3,811b

4,143b

4,936a

5,550

5,683

5,911

6,718

6,755

6,480

LSD

--

--

8,889b

11,874b

13,045b

13,681a

14,471

14,711a

15,852

16,400

16,760

Heroin

2,324

1,771

1,826

1,749

2,433

1,687

2,102

2,083

2,451

2,444

2,019

Nonmedical Use of Any

Psychotherapeutic2

--

--

29,386b

22,258

24,053a

22,552

21,793

20,926

21,446

20,409

19,671

Stimulants

--

--

14,139b

11,241

11,385

10,284

10,007

9,671

10,360

10,075

9,781

Sedatives

--

--

9,260b

5,206

6,482b

5,309

5,320

5,460a

5,760b

4,866

4,080

Tranquilizers

--

--

14,692b

8,774

10,445b

9,766a

8,751

8,390a

8,251

7,774

6,931

Analgesics

--

--

14,693a

11,465

13,782a

12,634

13,324

12,552

12,806a

11,799

10,677













Any Illicit Drug

other than Marijuana1

--

--

43,130

38,301

40,228

38,923

40,803

39,383

40,426

40,375

40,948













Alcohol

159,525b

159,415b

163,608a

166,571

169,640

168,572

171,167

176,290

174,182

176,707

177,112

"Binge" Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--

Heavy Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--













Cigarettes

--

--

150,233

153,466

151,922

150,283

151,936

153,509

151,917

153,252

152,476













Smokeless Tobacco

--

--

--

36,551

35,420

37,538

32,862

36,042

35,899

36,369

37,445













*Low precision; no estimate reported.

-- Not available.

NOTE:The population distributions for the 1993 through 1997 NHSDAs are post-stratified to population projections of totals based on the 1990 decennial census. The 1979 NHSDA used population projections based on the 1970 census; NHSDAs from 1982 through 1992 used projections based on the 1980 census. The change from one census base to another has little effect on estimated percentages reporting drug use, but may have a significant effect on estimates of number of drug users in some subpopulation groups.

NOTE:Estimates for 1979 through 1993 may differ from estimates for these survey years that were published in other NHSDA reports. The estimates shown here for 1979 through 1993 have been adjusted to improve their comparability with estimates based on the new version of the NHSDA instrument that was fielded in 1994 and subsequent NHSDAs. For 1979 and 1982, estimates are not shown (as indicated by --) where (a) the relevant data were not collected, or (b) the data for those drugs were based on measures that differed appreciably from those used in the other survey years. Consequently, adjustments to the 1979 and 1982 data were made only for those drugs whose measures were comparable to those in the other survey years.

Because of the methodology used to adjust the 1979 through 1993 estimates, some logical inconsistency may exist between estimates for a given drug within the same survey year. For example, some adjusted estimates of past year use may appear to be greater then adjusted lifetime estimates. These inconsistencies tend to be small, rare and not statistically significant.

1Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), inhalants, hallucinogens (including PCP and LSD), heroin, or any prescription-type psychotherapeutic used nonmedically. Any Illicit Drug Other than Marijuana indicates use at least once of any of these listed drugs, regardless of marijuana/hashish use; marijuana/hashish users who also have used any of the other listed drugs are included.

2Nonmedical use of any prescription-type stimulant, sedative, tranquilizer, or analgesic; does not include over-the-counter-drugs.

3"Binge" Alcohol Use is defined as drinking five or more drinks on the same occasion on at least one day in the past 30 days. By "occasion" is meant at the same time or within a couple hours of each other. Heavy Alcohol Use is defined as drinking five or more drinks on the same occasion on each of five or more days in the past 30 days; all Heavy Alcohol Users are also "Binge" Alcohol Users.

aDifference between estimate and 1997 estimate is statistically significant at the .05 level.

bDifference between estimate and 1997 estimate is statistically significant at the .01 level.

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

80529 (103B)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 3B.Percentages Reporting Lifetime Use of Illicit Drugs, Alcohol, and Tobacco in the U.S. Population Aged 12 and Older: 1979-1997

Drug

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













Any Illicit Drug1

31.3b

--

34.4

34.0

34.1

33.3

34.2

34.4

34.2

34.8

35.6













Marijuana and Hashish

27.9b

28.6a

29.4a

30.6

30.5

30.2

31.0

31.1

31.0a

32.0

32.9

Cocaine

8.6a

11.7

11.2

10.6

11.5

10.9

11.3

10.4

10.3

10.3

10.5

Crack

--

--

--

1.3a

2.1

1.5a

1.9

1.9

1.8

2.2

1.9

Inhalants

--

--

7.9b

6.4

6.1

5.3

5.9

5.8

5.7

5.6

5.7

Hallucinogens

8.9

9.1

6.9b

7.6a

8.4

8.3

9.0

8.7

9.5

9.7

9.6

PCP

--

--

2.0b

2.1b

2.4

2.7

2.7

2.8

3.2

3.2

3.0

LSD

--

--

4.6b

6.0b

6.4a

6.7

7.0

7.0

7.5

7.7

7.8

Heroin

1.3

1.0

0.9

0.9

1.2

0.8

1.0

1.0

1.2

1.1

0.9

Nonmedical Use of Any

Psychotherapeutic2

--

--

15.3b

11.2a

11.9b

11.0a

10.5

10.0

10.1

9.5

9.1

Stimulants

--

--

7.3b

5.7

5.6

5.0

4.8

4.6

4.9

4.7

4.5

Sedatives

--

--

4.8b

2.6

3.2b

2.6

2.6

2.6b

2.7b

2.3

1.9

Tranquilizers

--

--

7.6b

4.4a

5.1b

4.7b

4.2a

4.0a

3.9a

3.6

3.2

Analgesics

--

--

7.6b

5.8

6.8b

6.1

6.4a

6.0a

6.1a

5.5

4.9













Any Illicit Drug

other than Marijuana1

--

--

22.4b

19.3

19.8

18.9

19.7

18.8

19.1

18.9

18.9













Alcohol

88.5a

85.5

84.9

84.0

83.6

81.9

82.6

84.2a

82.3

82.6

81.9

"Binge" Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--

Heavy Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--













Cigarettes

--

--

78.0a

77.4a

74.9

73.1

73.3

73.3b

71.8

71.6

70.5













Smokeless Tobacco

--

--

--

18.4

17.5

18.2

15.9

17.2

17.0

17.0

17.3













*Low precision; no estimate reported.

-- Not available.

NOTE:The population distributions for the 1993 through 1997 NHSDAs are post-stratified to population projections of totals based on the 1990 decennial census. The 1979 NHSDA used population projections based on the 1970 census; NHSDAs from 1982 through 1992 used projections based on the 1980 census. The change from one census base to another has little effect on estimated percentages reporting drug use, but may have a significant effect on estimates of number of drug users in some subpopulation groups.

NOTE:Estimates for 1979 through 1993 may differ from estimates for these survey years that were published in other NHSDA reports. The estimates shown here for 1979 through 1993 have been adjusted to improve their comparability with estimates based on the new version of the NHSDA instrument that was fielded in 1994 and subsequent NHSDAs. For 1979 and 1982, estimates are not shown (as indicated by --) where (a) the relevant data were not collected, or (b) the data for those drugs were based on measures that differed appreciably from those used in the other survey years. Consequently, adjustments to the 1979 and 1982 data were made only for those drugs whose measures were comparable to those in the other survey years.

Because of the methodology used to adjust the 1979 through 1993 estimates, some logical inconsistency may exist between estimates for a given drug within the same survey year. For example, some adjusted estimates of past year use may appear to be greater then adjusted lifetime estimates. These inconsistencies tend to be small, rare and not statistically significant.

1Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), inhalants, hallucinogens (including PCP and LSD), heroin, or any prescription-type psychotherapeutic used nonmedically. Any Illicit Drug Other than Marijuana indicates use at least once of any of these listed drugs, regardless of marijuana/hashish use; marijuana/hashish users who also have used any of the other listed drugs are included.

2Nonmedical use of any prescription-type stimulant, sedative, tranquilizer, or analgesic; does not include over-the-counter-drugs.

3"Binge" Alcohol Use is defined as drinking five or more drinks on the same occasion on at least one day in the past 30 days. By "occasion" is meant at the same time or within a couple hours of each other. Heavy Alcohol Use is defined as drinking five or more drinks on the same occasion on each of five or more days in the past 30 days; all Heavy Alcohol Users are also "Binge" Alcohol Users.

aDifference between estimate and 1997 estimate is statistically significant at the .05 level.

bDifference between estimate and 1997 estimate is statistically significant at the .01 level.

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

80529 (104A)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 4A.Estimated Numbers (in Thousands) of Past Year Users of Illicit Drugs, Alcohol, and Tobacco in the U.S. Population Aged 12 and Older: 1979-1997

Drug

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













Any Illicit Drug1

31,485b

--

31,488b

24,577

22,612

20,046a

21,402

22,663

22,662

23,182

24,189













Marijuana and Hashish

29,869b

29,685b

26,145b

19,492

18,067

16,322

17,510

17,813

17,755

18,398

19,446

Cocaine

8,608b

10,458b

9,839b

7,151b

5,284

4,332

3,947

3,664

3,664

4,033

4,169

Crack

--

--

--

1,459

1,451

1,144

1,416

1,258

1,018

1,375

1,375

Inhalants

--

--

2,657

2,441

2,379

1,889

1,940

2,213

2,308

2,427

2,329

Hallucinogens

5,260

4,149

3,198

3,200

2,562b

2,530b

2,479b

2,725b

3,416

3,602

4,063

PCP

--

--

455

167

172

207

199

206

322

382

369

LSD

--

--

--

--

--

--

--

1,651

2,108

2,104

1,956

Heroin

427

323

347

508

359

304

230a

281a

428

455

597

Nonmedical Use of Any

Psychotherapeutic2

--

--

11,988b

9,151a

7,314

6,260

6,336

6,056

6,166

6,652

6,112

Stimulants

--

--

5,637b

3,698b

2,010

1,478

1,774

1,419

1,656

1,896

1,687

Sedatives

--

--

2,209b

1,376

946

802

702

736

666

678

638

Tranquilizers

--

--

6,181b

4,124a

3,143

2,851

2,380

2,405

2,210

2,430

2,122

Analgesics

--

--

6,921a

5,328

5,063

4,871

4,560

4,247

4,102

4,510

4,210













Any Illicit Drug

other than Marijuana1

--

--

18,725b

14,884a

12,624

10,815

10,968

11,127

11,393

11,644

11,896













Alcohol

131,443

126,534a

140,394

135,044

138,113

133,090

137,771

140,121

138,314

138,912

138,500

"Binge" Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--

Heavy Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--













Cigarettes

--

--

78,026

76,446

73,419

72,409

68,831

66,475a

67,639a

69,098

70,709













Smokeless Tobacco

--

--

--

11,140

10,704

11,416

9,168

10,017

9,667

10,030

10,065













*Low precision; no estimate reported.

-- Not available.

NOTE:The population distributions for the 1993 through 1997 NHSDAs are post-stratified to population projections of totals based on the 1990 decennial census. The 1979 NHSDA used population projections based on the 1970 census; NHSDAs from 1982 through 1992 used projections based on the 1980 census. The change from one census base to another has little effect on estimated percentages reporting drug use, but may have a significant effect on estimates of number of drug users in some subpopulation groups.

NOTE:Estimates for 1979 through 1993 may differ from estimates for these survey years that were published in other NHSDA reports. The estimates shown here for 1979 through 1993 have been adjusted to improve their comparability with estimates based on the new version of the NHSDA instrument that was fielded in 1994 and subsequent NHSDAs. For 1979 and 1982, estimates are not shown (as indicated by --) where (a) the relevant data were not collected, or (b) the data for those drugs were based on measures that differed appreciably from those used in the other survey years. Consequently, adjustments to the 1979 and 1982 data were made only for those drugs whose measures were comparable to those in the other survey years.

Because of the methodology used to adjust the 1979 through 1993 estimates, some logical inconsistency may exist between estimates for a given drug within the same survey year. For example, some adjusted estimates of past year use may appear to be greater then adjusted lifetime estimates. These inconsistencies tend to be small, rare and not statistically significant.

1Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), inhalants, hallucinogens (including PCP and LSD), heroin, or any prescription-type psychotherapeutic used nonmedically. Any Illicit Drug Other than Marijuana indicates use at least once of any of these listed drugs, regardless of marijuana/hashish use; marijuana/hashish users who also have used any of the other listed drugs are included.

2Nonmedical use of any prescription-type stimulant, sedative, tranquilizer, or analgesic; does not include over-the-counter-drugs.

3"Binge" Alcohol Use is defined as drinking five or more drinks on the same occasion on at least one day in the past 30 days. By "occasion" is meant at the same time or within a couple hours of each other. Heavy Alcohol Use is defined as drinking five or more drinks on the same occasion on each of five or more days in the past 30 days; all Heavy Alcohol Users are also "Binge" Alcohol Users.

aDifference between estimate and 1997 estimate is statistically significant at the .05 level.

bDifference between estimate and 1997 estimate is statistically significant at the .01 level.

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

80529 (104B)PRELIMINARY DATA - AS OF JUNE 1998, ADJUSTED 1979-1993 ESTIMATES

Table 4B.Percentages Reporting Past Year Use of Illicit Drugs, Alcohol, and Tobacco in the U.S. Population Aged 12 and Older: 1979-1997

Drug

1979

1982

1985

1988

1991

1992

1993

1994

1995

1996

1997













Any Illicit Drug1

17.5b

--

16.3b

12.4

11.1

9.7

10.3

10.8

10.7

10.8

11.2













Marijuana and Hashish

16.6b

15.9b

13.6b

9.8

8.9

7.9

8.5

8.5

8.4

8.6

9.0

Cocaine

4.8b

5.6b

5.1b

3.6b

2.6

2.1

1.9

1.7

1.7

1.9

1.9

Crack

--

--

--

0.7

0.7

0.6

0.7

0.6

0.5

0.6

0.6

Inhalants

--

--

1.4

1.2

1.2

0.9

0.9

1.1

1.1

1.1

1.1

Hallucinogens

2.9a

2.2

1.7

1.6

1.3a

1.2b

1.2b

1.3b

1.6

1.7

1.9

PCP

--

--

0.2

0.1

0.1

0.1

0.1

0.1

0.2

0.2

0.2

LSD

--

--

--

--

--

--

--

0.8

1.0

1.0

0.9

Heroin

0.2

0.2

0.2

0.3

0.2

0.1

0.1a

0.1a

0.2

0.2

0.3

Nonmedical Use of Any

Psychotherapeutic2

--

--

6.2b

4.6b

3.6

3.0

3.1

2.9

2.9

3.1

2.8

Stimulants

--

--

2.9b

1.9b

1.0

0.7

0.9

0.7

0.8

0.9

0.8

Sedatives

--

--

1.1b

0.7

0.5

0.4

0.3

0.4

0.3

0.3

0.3

Tranquilizers

--

--

3.2b

2.1a

1.5

1.4

1.1

1.1

1.0

1.1

1.0

Analgesics

--

--

3.6b

2.7

2.5

2.4

2.2

2.0

1.9

2.1

1.9













Any Illicit Drug

other than Marijuana1

--

--

9.7b

7.5b

6.2

5.3

5.3

5.3

5.4

5.4

5.5













Alcohol

72.9b

67.9

72.9b

68.1

68.1

64.7

66.5

66.9a

65.4

64.9

64.1

"Binge" Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--

Heavy Alcohol Use3

--

--

--

--

--

--

--

--

--

--

--













Cigarettes

--

--

40.5b

38.5b

36.2

35.2

33.2

31.7

32.0

32.3

32.7













Smokeless Tobacco

--