codebook / nhanes2018 / MCQ570

MCQ570 // How old {were you/was SP} when {you /s/he} first had gallbladder surgery?

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attributes

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

Coded values

codemeaning
15 to 79Range of Values
8080 years or older