`q_adult_u324` // How many hours each day do you usually sleep, including daytime and _

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attributes

dataset	chns2011 · 中国健康与营养调查 CHNS 2011
type	`categorical`
role
data file
keywords

Coded values

code	meaning
`3`	4
`6`	8/9
`0`	no 1 yes 9 unknown