`ba004_w3` // Date of Birth

→ use this variable in analysis ← back to dataset

attributes

dataset	charls2018 · 中国健康与养老追踪调查 2018
type	`categorical`
role
data file
keywords

Coded values

code	meaning
`1`	Year Month Day
`2`	Not Have Hukou or ID Card
`3`	Refuse to Answer