c7a7ed71_ic_Disease__July_2008__07_0097__Domain
[BRFSS] — [Comparison Questiona] NHIS: Do you now smoke cigarettes every day, some days, or not at all? NHANES: Do you now smoke cigarettes every day or some days? [Domain] 
Current smoker
Preventing Chronic Disease: July 2008: 07_0097