codebook / nhanes2018 / SMQ725

SMQ725 // When did {you/he/she} smoke {your/his/her} last cigarette? 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