Comparison Trends in Drug Use Among 8th Grade, 10th Grade, and 12th Grade Students

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Comparisons of Drug Use Prevalence Across Demographics
Lifetime	Past Year	Past Month

Drug Use Prevalence Within Demographics
8th Grade Students	10th Grade Students	12th Grade Students

Ratios of Drug Use vs Alcohol Use Across Demographics
Lifetime	Past Year	Past Month

Ratios of Drug Use vs Alcohol Use Within Demographics
8th Grade Students	10th Grade Students	12th Grade Students

Ratios of Drug Use vs Marijuana Use Across Demographics
Lifetime	Past Year	Past Month

Ratios of Drug Use vs Marijuana Use Within Demographics
8th Grade Students	10th Grade Students	12th Grade Students

Ratios of Drug Use vs Both Alcohol and Marijuana Use Within Demographics
8th Grade Students	10th Grade Students	12th Grade Students

Comparison Trends Among Those Initiating Drug Use
New Use vs Alcohol	New Use vs Marijuana	New Use Comparisons Overview

Sources: Monitoring the Future
National Survey on Drug Use and Health