Question: what is the difference between a regular smoker and an established smoker?
Answer: Nondaily smokers are persons who have smoked more than 100 cigarettes in their lifetime and have smoked on 1 to 19 of the past 30 days, and established smokers are persons who have smoked more than 100 cigarettes in their lifetime and have smoked on at least 20 of the past 30 days.