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Description
For female persons aged 18 to 49 who had a live birth within the past 5 years and who smoked at least 100 cigarettes in their entire lifetime, AGEFIRSTSMK indicates the age when the person first started smoking regularly.
Comparability
There are no comparability issues.
Universe
1998: Female persons ages 18-49 who had a live birth within the past 5 years and smoked at least 100 cigarettes in their entire lifetime.
