Chunk #16 — Measures — Marijuana use

Source

Racial/ethnic differences in use of alcohol, tobacco, and marijuana: is there a cross-over from adolescence to adulthood?

Embedded

yes

Text

Using these questions we examined two marijuana-related outcomes covering use and frequency of use: any marijuana use in the past 30 days, frequency of marijuana use in the past 30 days among users, and at least weekly marijuana use in the past 30 days.