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National Drug Intelligence Center
National Drug Threat Assessment 2003
January 2003

Appendix B: Selected National Substance Abuse Indicators

Table B1. Percentage of NHSDA Respondents Reporting Use of Specific Drugs in Their Lifetime, by Age Group, 1997-2001
  1997 1998 1999a 2000 2001
Cocaine
12-17 3.0 2.2 2.4 2.4 2.3
18-25 8.9 10.0 11.9 10.9 13.0
26-34 18.4 17.1 17.8 15.1 15.9
35 & older 9.9 10.4 11.4 11.8 13.0
12 & older 10.5 10.6 11.5 11.2 12.3
Crack
12-17 1.3 0.7 0.6 0.6 0.6
18-25 2.9 2.7 3.3 2.8 3.4
26-34 3.6 3.9 5.1 3.8 4.5
35 & older 1.4 1.7 2.3 2.2 2.6
12 & older 1.9 2.0 2.7 2.4 2.8
Methamphetamine
12-17 1.2 0.6 1.4 1.3 1.4
18-25 2.3 2.6 5.2 4.1 5.1
26-34 2.7 2.6 5.4 4.8 4.4
35 & older 2.6 2.2 4.3 4.2 4.5
12 & older 2.5 2.1 4.3 4.0 4.3
Marijuana
12-17 18.9 17.0 18.7 18.3 19.7
18-25 41.5 44.6 46.8 45.7 50.0
26-34 47.9 47.9 47.7 46.0 47.9
35 & older 29.4 29.4 31.5 31.6 34.5
12 & older 32.9 33.0 34.6 34.2 36.9
Heroin
12-17 0.5 0.4 0.4 0.4 0.3
18-25 1.0 1.1 1.8 1.4 1.6
26-34 1.0 0.9 1.3 1.1 1.3
35 & older 1.0 1.3 1.5 1.4 1.5
12 & older 0.9 1.1 1.4 1.2 1.4
MDMA
12-17 1.3 1.6 1.8 2.6 3.2
18-25 4.6 5.0 7.6 9.7 13.1
26-34 3.1 2.6 1.5b 4.7 6.0
35 & older 0.5 0.5 -- 1.1 1.1
12 & older 1.5 1.5 2.3 2.9 3.6
LSD
12-17 5.2 4.2 3.8 3.6 3.1
18-25 13.2 14.0 14.7 14.0 15.3
26-34 11.8 10.6 12.4 11.8 12.6
35 & older 5.9 6.5 7.3 7.8 7.8
12 & older 7.8 7.9 8.7 8.8 9.0
PCP
12-17 1.4 1.2 0.9 1.1 1.0
18-25 2.4 3.0 2.4 2.3 2.6
26-34 3.2 4.0 2.2 1.8 2.0
35 & older 3.3 3.9 3.0 3.1 3.1
12 & older 3.0 3.5 2.6 2.6 2.7

 -- Not available
a Estimates for 1999 and later should not be compared to earlier NHSDA estimates because of major differences in the data collection methods used prior to 1999.
b In 1999 MDMA was reported in the NHSDA in four age groups: 12-17, 18-25, 26 & older, 12 & older.

Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, National Household Survey on Drug Abuse, 1997-2001.

 

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Table B2. Percentage of NHSDA Respondents Reporting Use of Specific Drugs in the Past Year, by Age Group, 1997-2001
  1997 1998 1999a 2000 2001b
Cocaine
12-17 2.2 1.7 1.6 1.7 1.5
18-25 3.9 4.7 5.2 4.4 5.7
26-34 3.1 2.7 2.4 2.1 2.7
35 & older 1.1 0.9 0.8 0.7 0.9
12 & older 1.9 1.7 1.7 1.5 1.9
Crack
12-17 0.8 0.5 0.4 0.4 0.4
18-25 1.0 0.8 1.0 0.7 0.9
26-34 0.9 0.7 0.7 0.4 0.6
35 & older 0.4 0.3 0.3 0.2 0.3
12 & older 0.6 0.4 0.5 0.3 0.5
Methamphetamine
12-17 -- -- 0.7 0.8 0.8
18-25 -- -- 1.5 1.2 1.7
26-34 -- -- 0.5 0.5 0.7
35 & older -- -- 0.3 0.2 0.3
12 & older -- -- 0.5 0.5 0.6
Marijuana
12-17 15.8 14.1 14.2 13.4 15.2
18-25 22.3 24.1 24.5 23.7 26.7
26-34 11.2 9.7 10.3 10.3 11.9
35 & older 4.4 4.1 4.0 3.8 4.1
12 & older 9.0 8.6 8.6 8.3 9.3
Heroin
12-17 0.3 0.3 0.3 0.2 0.2
18-25 0.5 0.4 0.5 0.4 0.5
26-34 0.2 0.1 0.1 0.0 0.2
35 & older 0.2 * 0.1 0.1 0.1
12 & older 0.3 0.1 0.2 0.1 0.2
MDMA
12-17 -- -- -- -- 2.4
18-25 -- -- -- -- 6.9
26-34 -- -- -- -- 1.4
35 & older -- -- -- -- 0.1
12 & older -- -- -- -- 1.4
LSD
12-17 2.9 2.6 2.4 2.2 1.9
18-25 3.7 3.4 4.0 3.4 3.3
26-34 0.5 0.3 0.3 0.4 0.4
35 & older 0.1 0.1 0.0 0.1 0.1
12 & older 0.9 0.8 0.9 0.8 0.7
PCP
12-17 0.5 0.6 0.4 0.5 0.5
18-25 0.4 0.4 0.4 0.3 0.4
26-34 * * * 0.1 0.0
35 & older 0.1 0.1 0.0 0.0 *
12 & older 0.2 0.2 0.1 0.1 0.1

 -- Not available
* Low precision; no estimate reported
a Estimates for 1999 and later should not be compared to earlier NHSDA estimates because of major differences in the data collection methods used prior to 1999.
b Estimates for 2001 for past year and past month use of hallucinogens (MDMA, LSD, PCP) should be compared to earlier estimates with caution because of changes to the NHSDA questionnaire in 2001.

Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, National Household Survey on Drug Abuse, 1997-2001.

 

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Table B3. Percentage of NHSDA Respondents Reporting Use of Specific Drugs in the Past Month, by Age Group, 1997-2001
  1997 1998 1999a 2000 2001b
Cocaine
12-17 1.0 0.8 0.5 0.6 0.4
18-25 1.2 2.0 1.7 1.4 1.9
26-34 0.9 1.2 1.2 0.8 1.1
35 & older 0.5 0.5 0.4 0.3 0.5
12 & older 0.7 0.8 0.7 0.5 0.7
Crack
12-17 0.4 0.2 0.1 0.1 0.1
18-25 0.4 0.3 0.3 0.1 0.3
26-34 0.3 0.3 0.4 0.1 0.2
35 & older 0.2 0.1 0.1 0.1 0.2
12 & older 0.3 0.2 0.2 0.1 0.2
Methamphetamine
12-17 -- -- 0.2 0.3 0.2
18-25 -- -- 0.5 0.3 0.7
26-34 -- -- 0.2 0.2 0.4
35 & older -- -- 0.1 0.1 0.1
12 & older -- -- 0.2 0.2 0.3
Marijuana
12-17 9.4 8.3 7.2 7.2 8.0
18-25 12.8 13.8 14.2 13.6 16.0
26-34 6.0 5.5 5.4 5.9 6.8
35 & older 2.6 2.5 2.2 2.3 2.4
12 & older 5.1 5.0 4.7 4.8 5.4
Heroin
12-17 0.2 0.2 0.2 0.1 0.0
18-25 0.1 0.2 0.1 0.1 0.2
26-34 0.2 * 0.1 0.0 0.1
35 & older 0.2 * 0.0 0.1 0.0
12 & older 0.2 0.1 0.1 0.1 0.1
MDMA
12-17 -- -- -- -- 0.6
18-25 -- -- -- -- 1.7
26-34 -- -- -- -- 0.2
35 & older -- -- -- -- 0.0
12 & older -- -- -- -- 0.3
LSD
12-17 0.7 0.8 0.6 0.5 0.4
18-25 1.0 1.2 1.0 0.8 0.6
26-34 0.1 0.0 0.0 0.1 0.0
35 & older * 0.1 0.0 * 0.0
12 & older 0.2 0.3 0.2 0.2 0.1
PCP
12-17 0.1 0.1 0.1 0.1 0.1
18-25 0.1 * 0.1 0.1 0.1
26-34 * * * 0.0 0.0
35 & older 0.1 * * 0.0 *
12 & older 0.1 * 0.0 0.0 0.0

 -- Not available
* Low precision; no estimate reported
a Estimates for 1999 and later should not be compared to earlier NHSDA estimates because of major differences in the data collection methods used prior to 1999.
b Estimates for 2001 for past year and past month use of hallucinogens (MDMA, LSD, PCP) should be compared to earlier estimates with caution because of changes to the NHSDA questionnaire in 2001.

Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, National Household Survey on Drug Abuse, 1997-2001.

 

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Table B4. MTF: Trends in Lifetime Prevalence of Use of Various Drugs for Eighth, Tenth, and Twelfth Graders, 1998-2002 (%)
  1998 1999 2000 2001 2002
Cocaine
8th Grade 3.7 3.8 3.5 3.3 2.8
10th Grade 6.4 6.8 6.0 5.0 5.2
12th Grade 8.4 8.8 7.7 7.4 7.0
Crack
8th Grade 3.2 3.1 3.1 3.0 2.5
10th Grade 3.9 4.0 3.7 3.1 3.6
12th Grade 4.4 4.6 3.9 3.7 3.8
Methamphetamine
8th Grade -- 4.5 4.2 4.4 3.5
10th Grade -- 7.3 6.9 6.4 6.1
12th Grade -- 8.2 7.9 6.9 6.7
Marijuana/Hashish
8th Grade 22.2 22.0 20.3 20.4 19.2
10th Grade 39.6 40.9 40.3 40.1 38.7
12th Grade 49.1 49.7 48.8 49.0 47.8
Heroin
8th Grade 2.3 2.3 1.9 1.7 1.6
10th Grade 2.3 2.3 2.2 1.7 1.8
12th Grade 2.0 2.0 2.4 1.8 1.7
MDMA
8th Grade 2.7 2.7 4.3 5.2 4.3
10th Grade 5.1 6.0 7.3 8.0 6.6
12th Grade 5.8 8.0 11.0 11.7 10.5
LSD
8th Grade 4.1 4.1 3.9 3.4 2.5
10th Grade 8.5 8.5 7.6 6.3 5.0
12th Grade 12.6 12.2 11.1 10.9 8.4
PCP
8th Grade -- -- -- -- --
10th Grade -- -- -- -- --
12th Grade 3.9 3.4 3.4 3.5 3.1

 -- Not available

Source: U.S. Department of Health and Human Services, National Institute on Drug Abuse, Monitoring the Future Study, 2002.

 

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Table B5. MTF: Trends in current Prevalence of Use of Various Drugs for Eighth, Tenth, and Twelfth Graders, 1998-2002 (%)
  1998 1999 2000 2001 2002
Cocaine
8th Grade 2.4 2.3 1.9 1.9 1.8
10th Grade 4.0 4.4 3.8 3.0   3.4  
12th Grade 4.9 5.8 4.5 4.4 4.4
Crack
8th Grade 2.1 1.8 1.8 1.7 1.6
10th Grade 2.5 2.4 2.2 1.8 2.3
12th Grade 2.5 2.7 2.2 2.1 2.3
Methamphetamine
8th Grade -- 3.2 2.5 2.8 2.2
10th Grade -- 4.6 4.0 3.7 3.9
12th Grade -- 4.7 4.3 3.9 3.6
Marijuana/Hashish
8th Grade 16.9 16.5 15.6 15.4 14.6
10th Grade 31.1 32.1 32.2 32.7 30.3
12th Grade 37.5 37.8 36.5 37.0 36.2
Heroin
8th Grade 1.3 1.4 1.1 1.0 0.9
10th Grade 1.4 1.4 1.4 0.9 1.1
12th Grade 1.0 1.1 1.5 0.9 1.0
MDMA
8th Grade 1.8 1.7 3.1 3.5 2.9
10th Grade 3.3 4.4 5.4 6.2 4.9
12th Grade 3.6 5.6 8.2 9.2 7.4
LSD
8th Grade 2.8 2.4 2.4 2.2 1.5
10th Grade 5.9 6.0 5.1 4.1 2.6
12th Grade 7.6 8.1 6.6 6.6 3.5
PCP
8th Grade -- -- -- -- --
10th Grade -- -- -- -- --
12th Grade 2.1 1.8 2.3 1.8 1.1

 -- Not available

Source: U.S. Department of Health and Human Services, National Institute on Drug Abuse, Monitoring the Future Study, 2002.

 

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Table B6. MTF: Trends in Past Year Prevalence of Use of Various Drugs for Eighth, Tenth, and Twelfth Graders, 1998-2002 (%)
  1998 1999 2000 2001 2002
Cocaine
8th Grade 1.0 1.1 0.9 0.9 0.8
10th Grade 1.8 1.6 1.6 1.2 1.3
12th Grade 2.0 2.5 1.7 1.8 1.9
Crack
8th Grade 0.9 0.8 0.8 0.8 0.8
10th Grade 1.1 0.8 0.9 0.7 1.0
12th Grade 1.0 1.1 1.0 1.1 1.2
Methamphetamine
8th Grade -- 1.1 0.8 1.3 1.1
10th Grade -- 1.8 2.0 1.5 1.8
12th Grade -- 1.7 1.9 1.5 1.7
Marijuana/Hashish
8th Grade 9.7 9.7 9.1 9.2 8.3
10th Grade 18.7 19.4 19.7 19.8 17.8
12th Grade 22.8 23.1 21.6 22.4 21.5
Heroin
8th Grade 0.6 0.6 0.5 0.6 0.5
10th Grade 0.7 0.7 0.5 0.3 0.5
12th Grade 0.5 0.5 0.7 0.4 0.5
MDMA
8th Grade 0.9 0.8 1.4 1.8 1.4
10th Grade 1.3 1.8 2.6 2.6 1.8
12th Grade 1.5 2.5 3.6 2.8 2.4
LSD
8th Grade 1.1 1.1 1.0 1.0 0.7
10th Grade 2.7 2.3 1.6 1.5 0.7
12th Grade 3.2 2.7 1.6 2.3 0.7
PCP
8th Grade -- -- -- -- --
10th Grade -- -- -- -- --
12th Grade 1.0 0.8 0.9 0.5 0.4

 -- Not available

Source: U.S. Department of Health and Human Services, National Institute on Drug Abuse, Monitoring the Future Study, 2002.

 

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Table B7. PRIDE: Percentage of Past Year Drug Use by Junior and Senior High School Students and 12th Graders, 1997-1998 through 2001-2002 School Years
  1997-1998 1998-1999 1999-2000 2000-2001 2001-2002
Cocaine
Junior High 2.8 2.7 2.2 2.1 2.1
Senior High 6.0 6.1 5.3 5.5 5.1
12th Grade 7.9 8.0 7.1 7.9 7.1
Marijuana
Junior High 12.5 11.0 9.2 9.3 8.3
Senior High 33.4 32.3 31.4 32.3 29.4
12th Grade 38.6 37.8 38.0 39.0 35.7
Heroin
Junior High 2.1 1.9 1.6 1.6 1.5
Senior High 3.2 3.1 2.9 3.2 2.9
12th Grade 3.8 3.6 3.2 4.4 3.7

Source: Parents' Resource Institute for Drug Eradication 2001-2002, National Summary, Grades 6 through 12.

 

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Table B8. PRIDE: Percentage of Current Year Drug Use by Junior and Senior High School Students and 12th Graders, 1997-1998 through 2001-2002 School Years
  1997-1998 1998-1999 1999-2000 2000-2001 2001-2002
Cocaine
Junior High 1.6 1.5 1.3 1.2 1.3
Senior High 3.1 3.2 2.9 3.0 2.7
12th Grade 4.0 4.1 3.6 4.2 3.8
Marijuana
Junior High 7.1 6.5 5.2 5.3 4.7
Senior High 20.8 20.3 19.3 20.5 18.5
12th Grade 23.6 23.1 23.4 24.2 21.9
Heroin
Junior High 1.3 1.2 1.1 1.0 1.0
Senior High 1.9 2.0 1.9 2.1 1.8
12th Grade 2.3 2.4 2.1 2.8 2.4

Source: Parents' Resource Institute for Drug Eradication 2001-2002, National Summary, Grades 6 through 12.

 

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Table B9. DAWN: Estimated Number of Emergency Department Drug Mentions and Mentions of Selected Drugs by Year, 1994-2001
  1994 1995 1996 1997 1998 1999 2000 2001
Total Mentions (All Drugs) 899,600 900,287 906,366 942,382 981,764 1,014,243 1,099,306 1,165,367
Drug Mentions (Specific Drugs)
Cocaine 143,337 135,711 152,420 161,083 172,011 168,751 174,881 193,034
Methamphetamine   17,537   15,933   11,002   17,154   11,486   10,447   13,505   14,923
Marijuana   40,034   45,259   53,770   64,720   76,842   87,068   96,426 110,512
Heroin   63,158   69,556   72,980   70,712   75,668   82,192   94,804   93,064
MDMA        253        421        319        637     1,143     2,850     4,511     5,542
GHBa          56        145        638        762     1,282     3,178     4,969     3,340
Ketamine         19 --          81 --        209        396        263        679
Rohypnol          13 -- -- -- -- -- -- --
LSD     5,158     5,682     4,569     5,219     4,982     5,126     4,016     2,821
PCP     5,899     5,963     3,441     3,626     3,436     3,663     5,404     6,102
Hydrocodone drugs     9,320     9,686   11,419   11,570   13,611   15,252   20,098   21,567
Oxycodone drugs     4,069     3,393     3,190     5,012     5,211     6,429   10,825   18,409

a Includes GHB and its precursor GBL
-- Incomplete data

Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Drug Abuse Warning Network, 1994-2001.

 

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Table B10. Treatment Admissions and Admissions by Selected Primary Substances of Abuse, TEDS 1994-1999
  1994 1995 1996 1997 1998 1999
Treatment Admissions (Total) 1,633,973 1,637,302 1,606,379 1,538,049 1,615,019 1,587,510
Primary Substance
Cocaine 292,340 272,723 257.909 231,991 244,051 228,206
     Smoked 216,688 203,221 190,969 171,201 178,973 166,501
     Nonsmoked   75,652   69,502   66,940   60,790   65,078   61,705
Methamphetamine   33,407   47,837   41,014   53,559   56,456   57,834
Marijuana/hashish 142,633 171,381 193,236 199,926 218,483 223,597
Heroin 212,156 221,143 216,906 221,284 229,500 235,668

Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set, 1994-1999.

 


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