Declining Prevalence of Marijuana Use Disorders Among Adolescents in the United States, 2002 to 2013.

ABSTRACT:

Objective

Little is known about recent trends in marijuana use disorders among adolescents in the United States. We analyzed trends in the past-year prevalence of DSM-IV marijuana use disorders among adolescents, both overall and conditioned on past-year marijuana use. Potential explanatory factors for trends in prevalence were explored.

Method

We assembled data from the adolescent samples of the 2002 to 2013 administrations of the National Survey on Drug Use and Health (N = 216,852; aged 12-17 years). The main outcome measures were odds ratios describing the average annual change in prevalence and conditional prevalence of marijuana use disorders, estimated from models of marijuana use disorder as a function of year. Post hoc analyses incorporated measures of potentially ex

SUBMITTER: Grucza RA 

PROVIDER: S-EPMC4957692 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature