Fig. 1.
The presence of smokefree space policies for none, at least one, or all indoor public spaces by region; map created by the authors
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.