Illicit Drug Use Tables - 1.1 to 1.110 (Standard Errors)

10703

Table 1.1C Standard Errors of Estimated Numbers (in Thousands) of Lifetime, Past Year, and Past Month Users of Illicit Drugs Among Persons Aged 12 or Older: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

942

795

508

455

366

332

Marijuana and Hashish

872

775

428

398

295

281

Cocaine

596

519

188

150

130

112

Crack

293

260

120

68

78

49

Heroin

229

202

54

46

34

34

Hallucinogens

557

487

101

131

59

64

LSD

479

433

81

88

43

38

PCP

298

279

28

29

11

10

Inhalants

443

381

88

90

52

67

Nonmedical Use of Any Psychotherapeutic²

645

582

296

259

209

178

Pain Relievers

490

458

261

218

178

142

Tranquilizers

460

403

155

162

114

99

Stimulants

466

392

130

118

98

77

Methamphetamine

383

296

101

92

69

62

Sedatives

354

309

85

71

61

38

Any Illicit Drug Other Than Marijuana¹

787

704

341

306

242

209

*Low precision; no estimate reported.

¹ Any Illicit Drug indicates use at least once of marijuana/hashish, cocaine (including crack), heroin, hallucinogens (including LSD and PCP), inhalants, 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.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.1D Standard Errors of Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 12 or Older: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

0.43

0.36

0.23

0.20

0.17

0.15

Marijuana and Hashish

0.39

0.35

0.19

0.18

0.13

0.13

Cocaine

0.27

0.23

0.08

0.07

0.06

0.05

Crack

0.13

0.12

0.05

0.03

0.04

0.02

Heroin

0.10

0.09

0.02

0.02

0.02

0.02

Hallucinogens

0.25

0.22

0.05

0.06

0.03

0.03

LSD

0.22

0.19

0.04

0.04

0.02

0.02

PCP

0.13

0.12

0.01

0.01

0.00

0.00

Inhalants

0.20

0.17

0.04

0.04

0.02

0.03

Nonmedical Use of Any Psychotherapeutic²

0.29

0.26

0.13

0.12

0.09

0.08

Pain Relievers

0.22

0.21

0.12

0.10

0.08

0.06

Tranquilizers

0.21

0.18

0.07

0.07

0.05

0.04

Stimulants

0.21

0.18

0.06

0.05

0.04

0.03

Methamphetamine

0.17

0.13

0.05

0.04

0.03

0.03

Sedatives

0.16

0.14

0.04

0.03

0.03

0.02

Any Illicit Drug Other Than Marijuana¹

0.36

0.32

0.15

0.14

0.11

0.09

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.1P P-Values from Tests of Differences in Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 12 or Older: 2000 Versus 1999 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

0.1639

0.0845

0.8949

Marijuana and Hashish

0.4517

0.1936

0.6920

Cocaine

0.3230

0.0660

0.0520

Crack

0.0941

0.0180

0.0915

Heroin

0.3171

0.4925

0.5928

Hallucinogens

0.2561

0.1092

0.6325

LSD

0.7023

0.1406

0.1503

PCP

0.8955

0.6937

0.9211

Inhalants

0.2871

0.7619

0.5823

Nonmedical Use of Any Psychotherapeutic²

0.0230

0.1617

0.6054

Pain Relievers

0.1832

0.6044

0.5448

Tranquilizers

0.0952

0.9148

0.4782

Stimulants

0.0173

0.2428

0.1804

Methamphetamine

0.1567

0.3812

0.5852

Sedatives

0.1258

0.8104

0.4365

Any Illicit Drug Other Than Marijuana¹

0.2462

0.2589

0.3178

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.2C Standard Errors of Estimated Numbers (in Thousands) of Lifetime, Past Year, and Past Month Users of Illicit Drugs Among Persons Aged 12 to 17: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

83

86

75

73

53

56

Marijuana and Hashish

74

72

66

62

47

49

Cocaine

29

31

24

27

14

17

Crack

14

13

12

10

4

5

Heroin

13

10

11

8

10

4

Hallucinogens

45

43

36

36

20

22

LSD

35

36

29

28

16

14

PCP

17

18

11

11

6

4

Inhalants

54

49

37

32

18

17

Nonmedical Use of Any Psychotherapeutic²

58

61

47

47

30

31

Pain Relievers

49

54

41

41

26

27

Tranquilizers

28

29

23

21

13

11

Stimulants

37

35

27

29

13

16

Methamphetamine

20

19

15

15

8

10

Sedatives

16

15

12

11

8

7

Any Illicit Drug Other Than Marijuana¹

73

74

59

60

38

39

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.2D Standard Errors of Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 12 to 17: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

0.36

0.37

0.32

0.31

0.23

0.24

Marijuana and Hashish

0.32

0.31

0.29

0.27

0.20

0.21

Cocaine

0.13

0.13

0.10

0.12

0.06

0.07

Crack

0.06

0.06

0.05

0.04

0.02

0.02

Heroin

0.06

0.04

0.05

0.03

0.04

0.02

Hallucinogens

0.19

0.18

0.16

0.16

0.08

0.09

LSD

0.15

0.15

0.12

0.12

0.07

0.06

PCP

0.07

0.08

0.05

0.05

0.02

0.02

Inhalants

0.23

0.21

0.16

0.14

0.08

0.07

Nonmedical Use of Any Psychotherapeutic²

0.25

0.26

0.20

0.20

0.13

0.13

Pain Relievers

0.21

0.23

0.18

0.17

0.11

0.12

Tranquilizers

0.12

0.12

0.10

0.09

0.05

0.05

Stimulants

0.16

0.15

0.12

0.12

0.06

0.07

Methamphetamine

0.09

0.08

0.06

0.06

0.03

0.04

Sedatives

0.07

0.06

0.05

0.05

0.03

0.03

Any Illicit Drug Other Than Marijuana¹

0.31

0.32

0.26

0.26

0.17

0.17

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.2P P-Values from Tests of Differences in Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 12 to 17: 2000 Versus 1999 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

0.1413

0.0119

0.8229

Marijuana and Hashish

0.3569

0.0503

0.8917

Cocaine

0.9117

0.7337

0.7400

Crack

0.9667

0.8031

0.8349

Heroin

0.2640

0.2241

0.0257

Hallucinogens

0.7335

0.8101

0.6370

LSD

0.3984

0.2542

0.1484

PCP

0.2710

0.4237

0.2931

Inhalants

0.4586

0.0783

0.3584

Nonmedical Use of Any Psychotherapeutic²

0.9950

0.8173

0.6305

Pain Relievers

0.4221

0.7913

0.3217

Tranquilizers

0.6702

0.7823

0.5380

Stimulants

0.9260

0.1553

0.1748

Methamphetamine

0.5994

0.3093

0.2335

Sedatives

0.8534

0.8828

0.4352

Any Illicit Drug Other Than Marijuana¹

0.6289

0.3114

0.6965

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.3C Standard Errors of Estimated Numbers (in Thousands) of Lifetime, Past Year, and Past Month Users of Illicit Drugs Among Persons Aged 18 to 25: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

154

150

137

132

115

105

Marijuana and Hashish

149

150

131

126

109

98

Cocaine

93

83

60

52

35

32

Crack

47

42

26

19

12

9

Heroin

38

33

18

15

9

7

Hallucinogens

118

118

67

71

36

34

LSD

105

99

54

47

26

24

PCP

39

37

16

13

9

6

Inhalants

98

94

47

42

22

19

Nonmedical Use of Any Psychotherapeutic²

117

102

86

73

52

50

Pain Relievers

106

89

76

65

43

44

Tranquilizers

75

72

47

45

26

26

Stimulants

78

68

51

42

27

22

Methamphetamine

58

54

35

30

19

14

Sedatives

37

33

20

21

11

9

Any Illicit Drug Other Than Marijuana¹

139

133

104

98

64

62

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.3D Standard Errors of Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 18 to 25: 1999 and 2000 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD

Lifetime

Past Year

Past Month

Drug

1999

2000

1999

2000

1999

2000

Any Illicit Drug¹

0.54

0.52

0.48

0.46

0.40

0.36

Marijuana and Hashish

0.52

0.52

0.46

0.43

0.38

0.34

Cocaine

0.33

0.29

0.21

0.18

0.12

0.11

Crack

0.17

0.15

0.09

0.06

0.04

0.03

Heroin

0.13

0.11

0.06

0.05

0.03

0.03

Hallucinogens

0.42

0.41

0.24

0.25

0.13

0.12

LSD

0.37

0.34

0.19

0.16

0.09

0.08

PCP

0.14

0.13

0.06

0.05

0.03

0.02

Inhalants

0.34

0.32

0.16

0.14

0.08

0.07

Nonmedical Use of Any Psychotherapeutic²

0.41

0.35

0.30

0.25

0.18

0.17

Pain Relievers

0.37

0.31

0.27

0.22

0.15

0.15

Tranquilizers

0.26

0.25

0.16

0.16

0.09

0.09

Stimulants

0.28

0.23

0.18

0.15

0.10

0.07

Methamphetamine

0.20

0.19

0.12

0.10

0.07

0.05

Sedatives

0.13

0.12

0.07

0.07

0.04

0.03

Any Illicit Drug Other Than Marijuana¹

0.49

0.46

0.37

0.34

0.22

0.21

*Low precision; no estimate reported.

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

Source: SAMHSA, Office of Applied Studies, National Household Survey on Drug Abuse, 1999 and 2000.

10703

Table 1.3P P-Values from Tests of Differences in Percentages Reporting Lifetime, Past Year, and Past Month Use of Illicit Drugs Among Persons Aged 18 to 25: 2000 Versus 1999 List of Tables: Prevalence Estimates and Sample Sizes

TIME PERIOD


	TIME PERIOD
	Lifetime		Past Year		Past Month
Drug	1999	2000	1999	2000	1999	2000
Any Illicit Drug¹	942	795	508	455	366	332

Marijuana and Hashish	872	775	428	398	295	281
Cocaine	596	519	188	150	130	112
Crack	293	260	120	68	78	49
Heroin	229	202	54	46	34	34
Hallucinogens	557	487	101	131	59	64
LSD	479	433	81	88	43	38
PCP	298	279	28	29	11	10
Inhalants	443	381	88	90	52	67
Nonmedical Use of Any Psychotherapeutic²	645	582	296	259	209	178
Pain Relievers	490	458	261	218	178	142
Tranquilizers	460	403	155	162	114	99
Stimulants	466	392	130	118	98	77
Methamphetamine	383	296	101	92	69	62
Sedatives	354	309	85	71	61	38

Any Illicit Drug Other Than Marijuana¹	787	704	341	306	242	209