Marijuana use actually may be more strongly correlated to higher socioeconomic status than lower. A quick Google search for "drug use by socioeconomic status"

Marijuana use actually may be more strongly correlated to higher socioeconomic status than lower. A quick Google search for "drug use by socioeconomic status" turns up a 2012 article titled "Socioeconomic Status and Substance Use Among Young Adults: A Comparison Across Constructs and Drugs" [0] which concludes, in part > Findings based on three indicators of family background > SES—income, wealth, and parental education—converged in > describing unique patterns for smoking and for alcohol and > marijuana use among young adults, although functional > relationships across SES measures varied. Young adults with > the highest family background SES were most prone to alcohol > and marijuana use. [0] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3410945/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3410945/ EDIT: Change lede.