FIGURE 2.
Time slope of hard drug arrest rate in 93 large US metropolitan statistical areas in 1992–2002 by (a) IDU population rate per 10 000 in 2002 and (b) IDU population rate from 1991–2001.
Note. IDU = injection drug user.
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.