0: Never or less than 1 month
995: 995+
996: Not in Universe
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know
Description
[Placeholder variable description: Duration since smoked cigarettes every day: Months (former smoker)].
Comparability
No information available.
Universe
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 and either don't smoke at all now OR said they don't smoke at all now but smoke some days, and have not smoked in the past 30 days, OR smoke some days now but haven't smoked in the past 30 days, AND have ever smoked cigarettes every day for at least 6 months.
