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HARMONIZED DATA

Label:r10puffpos
Description:r10puffpos:w10 r 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 ; .s=skip
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