`q_ind_by30` // How different is your voice now than when you were 10 years old?

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attributes · 属性

数据集	chns2015 · 中国健康与营养调查 CHNS 2015
类型	`categorical`
角色
数据文件
关键词

取值编码

编码	含义
`0`	Has changed a bit
`1`	Has changed a lot