`DUQ300` // How old were you the first time you used heroin?

→ use this variable in analysis ← back to dataset

attributes

dataset	nhanes2018 · NHANES 2017-2018 Cycle
type	`categorical`
role
data file	`DUQ_J`
keywords

Coded values

code	meaning
`13 to 56`	Range of Values
`11`	11 years or under