Data-Field 20137
Description:When symbol digit substitution test completed
Category:Online follow-upCognitive function onlineSymbol digit substitution
Communication and participation in extension studies + Cognitive function

Participants208,250 Value TypeTime SexedBoth sexes DebutJul 2015
Item count297,297Item TypeDataInstancesDefined (2)VersionAug 2023
StabilityCompleteStrataPrimaryArrayNoCost TierdX o1 s1