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HARMONIZED DATA

Label:s4yr
Description:s4yr:w4 s cognition date naming-year
Item type:Constructed variable
Answer type:Enumerated
Answer choices: 0.incorrect ; 1.correct ; .d:DK ; .m:Missing ; .p:Proxy ; .q:Not asked ; .r:Refuse ; .u:Unmar ; .v:SP NR
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