Trends and Characteristics in Marijuana Use Among Public School Students — King County, Washington, 2004–2016

Trends In Marijuana Use Among Students

Trends In Marijuana Use Among Students

Summary

What is already known about this topic?

Trends In Marijuana Use Among Students, Youth marijuana use can have adverse health outcomes. However, reports from Colorado, Oregon, and Washington indicate no statewide increase in youth marijuana use following retail legalization for adults.

What is added by this report?

Following 2012 legalization of retail marijuana sale to adults in Washington, past 30–day marijuana use decreased or remained stable through 2016 among King County students in grades 6, 8, 10, and 12. Among grade 10 students, the decline in use occurred among males while the rate among females remained steady. Use of alcohol or other substances was four times as frequent among marijuana users as among nonusers.

What are the implications for public health practice?

Understanding reasons for youth marijuana use, particularly among females, might help inform policy, strategies, and educational campaigns.

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