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Current smoker: Time off cigs, last quit try: Months


CSOFFMO is a 3-digit-numeric variable.

0: Less than 1 month
995: 995+
996: Not in Universe
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know


For sample persons age 18 and older who have smoked at least 100 cigarettes are now daily smokers, and have ever tried to stop smoking for 1 day or more, CSOFFMO indicates the number of months the person actually stopped smoking cigarettes the last time she/he tried to stop smoking.


There are no comparability issues with this variable.


  • 1992: Half of sample persons age 18+ in quarters 1 and 2 and 2 weeks of quarter 3 (excluded from CAEP supplement) who have smoked at least 100 cigarettes, smoke cigarettes now, smoke every day, and have ever stopped smoking for 1 day or more.


  • 1992