`q_ind_u109a` // On average, for how long do you participate in these physical exercises each _ _:_

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attributes

dataset	chns2015 · 中国健康与营养调查 CHNS 2015
type	`categorical`
role
data file
keywords

Coded values

code	meaning
`16`	17
`0`	no 1 yes 9 unknown
`19`	20