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.
Study design. *Survey includes participants’ demographics (baseline only), smoking habits, past quitting history (baseline only), quitting progress, readiness and efficacy to quit and their knowledge about smoking are obtained at recruitment site as the baseline; and § biochemical validation includes exhaled carbon dioxide and saliva cotinine tests
