Race/ethnicity and marijuana use in the United States: Diminishing differences in the prevalence of use, 2006-2015.

ABSTRACT:

Background

Marijuana use has been decreasing in the past several years among adolescents, though variation in the extent and rate of decrease across racial/ethnic groups is inadequately understood.

Methods

The present study utilized nationally-representative data in Monitoring the Future from 2006 to 2015 to examine trends over time in past 30-day marijuana use. We examine whether differences in trends over time by race and ethnicity also differ by individual-level, school-level, and state-level factors. Sample included 131,351 8th grade students, 137,249 10th grade students, and 123,293 12th grade students; multi-level models and difference-in-differences tests were used.

Results

In 10th grade, Black students had a positive linear increase in marijuana use (est=0.04,

SUBMITTER: Keyes KM 

PROVIDER: S-EPMC5599376 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature