Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Y-axis represents percent of group endorsing any use. X-axis represents year in college. Individual lines represent rural non-white, rural white, urban non-white, or urban white student groups.
