Cognitive aptitude, peers, and trajectories of marijuana use from adolescence through young adulthood.

ABSTRACT:

Background

Using a nationally representative longitudinal cohort, we examine how cognitive aptitude in early adolescence is associated with heterogeneous pathways of marijuana use from age sixteen through young adulthood. We also examine whether this relationship can be explained by the role of cognitive aptitude in the social organization of peer group deviance.

Methods

Using the National Longitudinal Survey of Youth 1997, we identified 5 latent trajectories of frequency of marijuana use between ages 16 and 26: abstainers, dabblers, early heavy quitters, consistent users, and persistent heavy users. Multinomial regression assessed the relationship of cognitive aptitude in early adolescence with these latent trajectories, including the role of peer group substance use in thi

SUBMITTER: Kelly BC 

PROVIDER: S-EPMC6814275 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature