Data-Field 22017
Description:Invitation to complete online cognitive function questionnaire, date sent
Category:Online follow-upCognitive function online
Cognitive function + Communication and participation in extension studies

Participants339,762 Value TypeDate SexedBoth sexes DebutJul 2015
Item count339,762Item TypeDataInstancesSingularVersionJan 2020
StabilityCompleteStrataPrimaryArrayNoCost Tierd1 o1 s1