codebook / nhanes2018 / DBD041

DBD041 // How old was {SP} when {he/she} was first fed formula?

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attributes

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

Coded values

codemeaning
1 to 365Range of Values
0Never
666666More than 365 days (1-year) old