codebook / nhanes2018 / DUQ340

DUQ340 // How old were you the first time you used methamphetamine?

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attributes

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

Coded values

codemeaning
12 to 55Range of Values
1111 years or under