db002 // Walkinf 1 Km

attributes

dataset	charls2013 · 中国健康与养老追踪调查2013
type	categorical
role
data file
keywords

Coded values

code	meaning
1	No, I Don't Have Any Difficulty
2	I Have Difficulty but Can Still Do It
3	Yes, I Have Difficulty and Need Help
4	I Can Not Do It