codebook / nhanes2018 / SMQ840

SMQ840 // When did {you/he/she} last use a nicotine replacement therapy product? Was it . . .

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attributes

datasetnhanes2018 · NHANES 2017-2018 Cycle
typecategorical
role
data fileSMQRTU_J
keywords

Coded values

codemeaning
1Today
2Yesterday
33 to 5 days ago