1999 Data From In-School Surveys
      of 8th, 10th, and 12th Grade Students


      Drug and Alcohol Press Release and Tables

        Press Release

        Drug trends in 1999 are mixed. (Press Release, 12/17/99)

        The suggested citation for use of data from this press release is as follows:

        LD Johnston, PM O'Malley, JG Bachman. (Dec. 1999). Drug trends in 1999 are mixed. University of Michigan News and Information Services: Ann Arbor, MI. [On-line]. Available: www.monitoringthefuture.org; accessed MM/DD/YY.



        Data Tables

        Trends in Use of Various Drugs - Tables 1a-c - 5

        • Table 1a - Trends in Lifetime Prevalence of Use of Various Drugs for 8th, 10th, 12th Graders, 1991-1999

        • Table 1b - Trends in Annual and 30-Day Prevalence of Use of Various Drugs for 8th, 10th, 12th Graders, 1991-1999

        • Table 1c - Trends in 30-Day Prevalence of Daily Use of Various Drugs for 8th, 10th, and 12th Graders, 1991-1998

        • Footnotes for Tables 1a - 1c

        • Table 2 - Long-Term Trends in Lifetime Prevalence of Use of Various Drugs for 12th Graders

        • Table 3 - Long-Term Trends in Annual Prevalence of Use of Various Drugs for 12th Graders

        • Table 4 - Long-Term Trends in Thirty-Day Prevalence of Various Drugs for 12th Graders

        • Table 5 - Long-Term Trends in Thirty-Day Prevalence of Daily Use of Various Drugs for 12th Graders

        • Footnotes for Tables 2 - 5


        Trends in Attitudes - Tables 6 - 9

        • Table 6 - Trends in Harmfulness of Drugs as Perceived by 8th, 10th, and 12th Graders, 1991-1999

        • Table 7 - Long-Term Trends in Harmfulness of Drugs as Perceived by 12th Graders

        • Table 8 - Trends in Disapproval of Drug Use by 8th, 10th, and 12th Graders, 1991-1999

        • Table 9 - Long-Term Trends in Disapproval of Drug Use by 12th Graders


        Trends in Availability - Tables 10 & 11

        • Table 10 - Trends in Perceived Availability of Drugs for 8th, 10th, and 12th Graders, 1992-1999

        • Table 11 - Long-Term Trends in Perceived Availability of Drugs, 12th Graders


        Figures

        Various Illicit Drugs - Figures 1

        • Figure 1: Trends in Annual Prevalence of an Illicit Drug Use Index for Eighth, Tenth, and Twelfth Graders


        Specific Drugs - Figures 2 - 11

        • Figure 2: Marijuana: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th, and 12th Graders

        • Figure 3: Amphetamines: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th, and 12th Graders

        • Figure 4: LSD: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th and 12th Graders

        • Figure 5: Inhalants: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th and 12th Graders

        • Figure 6: Heroin: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use of Heroin without a Needle for 8th, 10th, and 12th Graders

        • Figure 7: Cocaine: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th, and 12th Graders

        • Figure 8: Cocaine Powder: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th, and 12th Graders

        • Figure 9: Crack: Trends in Annual Prevalence, Perceived Risk, and Disapproval of Use for 8th, 10th, and 12th Graders

        • Figure 10: Alcohol: Trends in Two-Week Prevalence, Perceived Risk, and Disapproval of Heavy Drinking for 8th, 10th, and 12th Graders

        • Figure 11: Marijuana: Trends in Perceived Availability, Perceived Risk of Regular Use, and Prevalence of Use in Past Thirty Days for Twelfth Graders



      Cigarette Smoking Press Release and Tables

        Press Release

        Cigarette smoking among American teens continues gradual decline. (Press Release, 12/17/99)


        The suggested citation for use of data from this press release is as follows:

        LD Johnston, PM O'Malley, JG Bachman. (Dec. 1999). Cigarette smoking among American teens continues gradual decline. University of Michigan News and Information Services: Ann Arbor, MI.[On-line]. Available: www.monitoringthefuture.org; accessed MM/DD/YY.


        Data Tables

        Trends on Cigarette Smoking - Tables 1 - 4

        • Table 1 - Long-Term Trends in Prevalence of Cigarettes for 8th, 10th, and 12th Graders

        • Table 2 - Cigarettes: Trends in 30-Day Prevalence of Use by Subgroups for 8th and 10th Graders

        • Table 3 - Cigarettes: Trends in Thirty-Day Prevalence of Use by Subgroups for 12th Graders

        • Table 4 - Trends in Availability and Attitudes about Smoking 1 or More Packs of Cigarettes per Day, for 8th, 10th, and 12th Graders


        Figures

        Trends in Prevalence, Attitudes, and Availability

        • Figure 1: Trends in 30-Day Prevalence of Cigarette Use for 8th, 10th, and 12th Graders

        • Figure 2: Trends in 30-Day Prevalence of Cigarette Use, by Gender, for 12th Graders

        • Figure 3: Trends in Perceived Harmfulness of Smoking for 8th, 10th, and 12th Graders

        • Figure 4: Trends in Disapproval of Smoking for 8th, 10th, and 12th Graders

        • Figure 5: Trends in Perceived Availability of Cigarettes for 8th and 10th Graders




      Publicly-available Monitoring the Future microdata from the cross-sectional, in-school surveys may be obtained through the Substance Abuse and Mental Health Data Archive (SAMHDA), a part of the Inter-university Consortium for Political and Social Research (ICPSR).

      SAMHDA/ICPSR
      The University of Michigan
      P.O. Box 1248
      Ann Arbor, MI 48106-1248
      http://www.icpsr.umich.edu/SAMHDA.

      Note that these data sets have had all personal indentifiers removed, and other information which might be used to impute identities has been either altered or removed altogether to protect study respondents.


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