Have you smoked any tobacco cigarettes, even a puff, in the past 7 days?
How many total tobacco cigarettes have you smoked in the past 7 days?
Have you achieved 1 or more days in the past month without smoking?
Have you achieved 7 or more days in the past month without smoking?
During the past 30 days, on how many days did you smoke cigarettes?
During the past 30 days, on average, how many cigarettes per day have you smoked?