QTLENGTHPSTP
Length off cigarettes from first quit during pregnancy, time units (Pregnancy and Smoking Supplement)
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For female persons aged 18 to 49 who gave live birth in the past five years and who, during their last pregnancy, quit smoking for some period of time but then started smoking again, QTLENGTHPSTP reports the time units of the length of time that the person quit smoking during her pregnancy.
Users should combine QTLENGTHPSTP with QTLENGTHPSNO, which reports the numeric values for the time units in QTLENGTHPSTP, in order to identify the length of time that the person quit smoking during her pregnancy.