HARMONIZED DATA
| Label: | r9semidone |
|---|---|
| Description: | r9semidone:w9 whether r completed full 10 sec semi-tandem test |
| Item type: | Constructed variable |
| Answer type: | Enumerated |
| Answer choices: | 0.no ; 1.yes ; .m:Missing ; .n:Not willing/able ; .r:Refuse ; .s:Skipped ; .x:Tried but was unable |