codebook / nhanes2018 / SMQ050Q

SMQ050Q // How long has it been since {you/SP} quit smoking cigarettes?

→ use this variable in analysis ← back to dataset

attributes

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

Coded values

codemeaning
1 to 71Range of Values
6666650 years or more