Adolescence to Young Adulthood: When Socioeconomic Disparities in Substance Use Emerge

We examined trends in cigarette, alcohol, and marijuana use by eventual educational attainment in 1,902 participants from Project EAT, a 10-year longitudinal study following participants from early adolescence through young adulthood.

Generally, for cigarettes and marijuana, disparities were evident by early adolescence with prevalence of use highest among those who had no secondary