HARMONIZED DATA
Label: | s4puffeff |
---|---|
Description: | s4puffeff:w4 amount effort s gave to lung function test |
Item type: | Constructed variable |
Answer type: | Enumerated |
Answer choices: | 1.full effort ; 2.not full effort-illness ; 3.not full effort-no reason ; .d:DK ; .m:Missing ; .n:not willing/able ; .r:Refuse ; .u:Unmar ; .v:SP NR |