HARMONIZED DATA
| Label: | s9semidone |
|---|---|
| Description: | s9semidone:w9 whether s 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 ; .u:not coupled ; .v:SP NR ; .x:Tried but was unable |