HARMONIZED DATA
| Label: | s13puffpos |
|---|---|
| Description: | s13puffpos:w13 s pos during breathing tests |
| Item type: | Constructed variable |
| Answer type: | Enumerated |
| Answer choices: | 1.standing ; 2.sitting ; 3.lying down ; .a=r not asked phys meas this wave ; .e=r did not sign phys meas consent waiver ; .n=r ineligible for phys meas this wave ; .r=r refused specific test ; .s=skip ; .u=unmarried ; .v=spouse nr |