State-Specific Prevalence and Trends in Adult Cigarette Smoking -- US, 1998--2007
To update 2006 state-specific estimates of cigarette smoking, CDC analyzed data from the 2007 Behavioral Risk Factor Surveillance System (BRFSS) survey and examined trends in cigarette smoking from 1998--2007. Results of these analyses indicated substantial variation in current cigarette smoking during 2007.
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5809a1.htm?s_cid=mm5809a1_e

