IPUMS NHIS: descr: FSMOKDALYLWK

IPUMS NHIS

NATIONAL HEALTH INTERVIEW SURVEY

Select samples

FSMOKDALYLWK

Duration since smoked cigarettes every day: Weeks (former smoker)

Codes

FSMOKDALYLWK is a 3-digit-numeric variable.

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

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.