List of Tables

B.1 Summary of 2000 NHSDA Suppression Rules

B.2 Weighted Percentages and Sample Sizes for 1999 and 2000 NHSDAs, by Screening Result Code

B.3 Weighted Percentages and Sample Sizes for 1999 and 2000 NHSDAs, by Final Interview Code, among Persons Aged 12 or Older

B.4 Weighted Percentages and Sample Sizes for 1999 and 2000 NHSDAs, by Final Interview Code, among Youths Aged 12 to 17

B.5 Weighted Percentages and Sample Sizes for 1999 and 2000 NHSDAs, by Final Interview Code, among Persons Aged 18 or Older

B.6 Response Rates and Sample Sizes for the 1999 and 2000 NHSDAs, by Demographic Characteristics

C.1 Questions in the 1999 NHSDA and Corresponding Questions in the 2000 NHSDA for Each DSM-IV Criterion for Dependence and Abuse

C.2 Percentages Reporting Having Met DSM-IV Criteria, by Specific Substances: 1999 and 2000

C.3 Total Population and Percentages of Persons Aged 12 or Older Classified with Dependence on Specific Substances in 1999 and 2000 and Classified with Abuse of Specific Substances in 2000

C.4 Percentages of Persons Aged 12 or Older Reporting Past Year Illicit Drug or Alcohol Dependence, by Demographic Characteristics: 1999 and 2000

C.5 Treatment Gap for Persons Aged 12 or Older: 1991 to 1998 and 2000

C.6 Comparison of Treatment Need Estimates from the 1999 and 2000 NHSDAs for Percentages of Persons Aged 12 or Older

C.7 Comparison of Treatment Need Estimates Using the 1999 Definition of Level 2 Treatment Need and the 2000 Definition of Treatment Need on the 2000 NHSDA's Estimated Numbers of Persons Aged 12 or Older

C.8 Percentages Reporting Needing Treatment (1999 Definition - Level 2), Needing Treatment (2000 Definition), Abuse Only, and Dependence Only for Any Illicit Drug in the Past Year among Persons Aged 12 or Older: 2000

E.1 Survey Sample Sizes for All Respondents Aged 12 or Older, by Gender and Detailed Age Categories: 1999 and 2000

E.2 Estimated Numbers (in Thousands) of Persons Aged 12 or Older, by Gender and Detailed Age Categories: 1999 and 2000

E.3 Survey Sample Sizes for All Respondents Aged 12 or Older, by Age Groups and Demographic Characteristics: 1999 and 2000

E.4 Estimated Numbers (in Thousands) of Persons Aged 12 or Older, by Age Groups and Demographic Characteristics: 1999 and 2000

E.5 Survey Sample Sizes for All Respondents Aged 12 or Older, by Age Groups and Geographic Characteristics: 1999 and 2000

E.6 Estimated Numbers (in Thousands) of Persons Aged 12 or Older, by Age Groups and Geographic Characteristics: 1999 and 2000

E.7 Survey Sample Sizes for All Respondents Aged 12 or Older, by Age Groups and Racial/Ethnic Subgroups: 1999 and 2000 Samples Combined

E.8 Estimated Numbers (in Thousands) of Persons Aged 12 or Older, by Age Groups and Racial/Ethnic Subgroups: Annual Averages Based on 1999 and 2000 Samples

F.1 Estimated Numbers (in Thousands) of Persons Reporting Past Year Substance Dependence, by Age Groups: 2000

F.2 Percentages Reporting Past Year Substance Dependence, by Age Groups: 2000

F.3 Percentages Reporting Past Year Any Illicit Drug or Alcohol Dependence, by Detailed Age Categories: 2000

F.4 Percentages of Persons Aged 12 or Older Reporting Past Year Any Illicit Drug or Alcohol Dependence, by Demographic Characteristics: 2000

F.5 Percentages of Persons Aged 12 or Older Reporting Past Year Any Illicit Drug or Alcohol Dependence, by Geographic Characteristics: 2000

F.6 Estimated Numbers (in Thousands) of Persons Reporting Past Year Substance Abuse, by Age Groups: 2000

F.7 Percentages Reporting Past Year Substance Abuse, by Age Groups: 2000

F.8 Percentages Reporting Past Year Any Illicit Drug or Alcohol Abuse, by Detailed Age Categories: 2000

F.9 Percentages of Persons Aged 12 or Older Reporting Past Year Any Illicit Drug or Alcohol Abuse, by Demographic Characteristics: 2000

F.10 Percentages of Persons Aged 12 or Older Reporting Past Year Any Illicit Drug or Alcohol Abuse, by Geographic Characteristics: 2000

F.11 Estimated Numbers (in Thousands) of Persons Reporting Past Year Substance Dependence or Abuse, by Age Groups: 2000

F.12 Percentages Reporting Past Year Substance Dependence or Abuse, by Age Groups: 2000

F.13 Estimated Numbers (in Thousands) of Persons Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Detailed Age Categories: 2000

F.14 Percentages Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Detailed Age Categories: 2000

F.15 Estimated Numbers (in Thousands) of Persons Aged 12 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Demographic Characteristics: 2000

F.16 Percentages of Persons Aged 12 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Demographic Characteristics: 2000

F.17 Percentages of Persons Aged 12 to 17 Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Demographic Characteristics: 2000

F.18 Percentages of Persons Aged 18 to 25 Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Demographic Characteristics: 2000

F.19 Percentages of Persons Aged 18 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Demographic Characteristics: 2000

F.20 Estimated Numbers (in Thousands) of Persons Aged 12 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Geographic Characteristics: 2000

F.21 Percentages of Persons Aged 12 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Geographic Characteristics: 2000

F.22 Percentages of Persons Aged 12 to 17 Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Geographic Characteristics: 2000

F.23 Percentages of Persons Aged 18 to 25 Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Geographic Characteristics: 2000

F.24 Percentages of Persons Aged 18 or Older Reporting Past Year Dependence or Abuse for Any Illicit Drug or Alcohol, by Geographic Characteristics: 2000

F.25 Percentages of Persons Who Received Substance Abuse Treatment in the Past Year, by Detailed Age Categories: 2000

F.26 Estimated Numbers (in Thousands) of Persons Aged 12 or Older Who Received Substance Abuse Treatment in the Past Year, by Demographic Characteristics: 2000

F.27 Percentages of Persons Aged 12 or Older Who Received Substance Abuse Treatment in the Past Year, by Demographic Characteristics: 2000

F.28 Percentages of Persons Aged 12 to 17 Who Received Substance Abuse Treatment in the Past Year, by Demographic Characteristics: 2000

F.29 Percentages of Persons Aged 18 or Older Who Received Substance Abuse Treatment in the Past Year, by Demographic Characteristics: 2000

F.30 Percentages of Persons Aged 12 or Older Who Received Substance Abuse Treatment in the Past Year, by Geographic Characteristics: 2000

F.31 Percentages of Persons Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Detailed Age Categories: 2000

F.32 Estimated Numbers (in Thousands) of Persons Aged 12 or Older Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Demographic Characteristics: 2000

F.33 Percentages of Persons Aged 12 or Older Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Demographic Characteristics: 2000

F.34 Estimated Numbers (in Thousands) of Persons Aged 12 to 17 Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Demographic Characteristics: 2000

F.35 Percentages of Persons Aged 12 to 17 Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Demographic Characteristics: 2000

F.36 Percentages of Persons Aged 18 or Older Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Demographic Characteristics: 2000

F.37 Percentages of Persons Aged 12 or Older Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Geographic Characteristics: 2000

F.38 Percentages of Persons Aged 12 to 17 Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Geographic Characteristics: 2000

F.39 Percentages of Persons Aged 18 or Older Who Needed and Received Treatment for an Illicit Drug Problem in the Past Year, by Geographic Characteristics: 2000

F.40 Estimated Numbers (in Thousands) of Persons Who Received Treatment for Specific Substances at Their Most Recent Treatment among Persons Who Received Treatment in the Past Year, by Age Groups: 2000

F.41 Percentages of Persons Who Received Treatment for Specific Substances at Their Most Recent Treatment among Persons Who Received Treatment in the Past Year, by Age Groups: 2000

F.42 Estimated Numbers (in Thousands) of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Illicit Drug Treatment in the Past Year, by Age Groups: 2000

F.43 Percentages of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Illicit Drug Treatment in the Past Year, by Age Groups: 2000

F.44 Estimated Numbers (in Thousands) of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Alcohol Treatment in the Past Year, by Age Groups: 2000

F.45 Percentages of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Alcohol Treatment in the Past Year, by Age Groups: 2000

F.46 Estimated Numbers (in Thousands) of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Illicit Drug or Alcohol Treatment in the Past Year, by Age Groups: 2000

F.47 Percentages of Persons with Specific Sources of Payment for Their Most Recent Treatment among Persons Who Received Any Illicit Drug or Alcohol Treatment in the Past Year, by Age Groups: 2000

F.48 Estimated Numbers (in Thousands) of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Illicit Drug Treatment in the Past Year, by Age Groups: 2000

F.49 Percentages of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Illicit Drug Treatment in the Past Year, by Age Groups: 2000

F.50 Estimated Numbers (in Thousands) of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Alcohol Treatment in the Past Year, by Age Group: 2000

F.51 Percentages of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Alcohol Treatment in the Past Year, by Age Groups: 2000

F.52 Estimated Numbers (in Thousands) of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Illicit Drug or Alcohol Treatment in the Past Year, by Age Groups: 2000

F.53 Percentages of Persons Who Received Treatment at Specific Locations among Persons Who Received Any Illicit Drug or Alcohol Treatment in the Past Year, by Age Groups: 2000