HARMONIZED DATA
Label: | r9back |
---|---|
Description: | r9back:w9 r had back problems |
Item type: | Constructed variable |
Answer type: | Enumerated |
Answer choices: | 0.no ; 1.yes ; .d=dk/na ; .r=rf |
Label: | r9back |
---|---|
Description: | r9back:w9 r had back problems |
Item type: | Constructed variable |
Answer type: | Enumerated |
Answer choices: | 0.no ; 1.yes ; .d=dk/na ; .r=rf |