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Description
For sample adults age 18 and older who have smoked at least 100 cigarettes, don't smoke at all now, but don't know when she/he quit, QUIT2YR indicates if the person quit smoking within the past 2 years.
Comparability
There are no comparability issues with this variable.
Universe
1997: Sample adults age 18+ who smoked at least 100 cigarettes in their entire lives, who don't smoke at all now, but who don't know when they quit.
