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Overview of Key Findings
Prevalence of Drug Use
7 other sections not shown
12th grade 9th grade 8th absentees Adjusted for underreporting alcohol annual prevalence attitudes barbiturates Based on Retrospective butyl nitrites Class Class Class classes of drugs cocaine cohort college-bound daily marijuana daily users decline diet pills disapproval dropouts dropped Drug Abuse Drug Use Index duration of highs Earlier Grade Levels exposure females friends grade 6th grade 8th grade Grade Levels Based Graduating Class hallucinogens heroin high school seniors illicit drugs included increase Lifetime Prevalence look-alike males Methaqualone Monitoring the Future non-prescription stimulants noncollege-bound North Central Northeast once or twice opiates parents peer perceived availability Percent Population Density Prevalence for Earlier Prevalence of Daily Prevalence of Sixteen prevalence rates questionnaire forms Reports from Seniors Retrospective Reports sample sedatives Sixteen Types statistics Subgroups substantial survey Table th grade Thirty-Day Prevalence tranquilizers trend estimates Trends in Lifetime Trends in Thirty-Day Types of Drugs