Data-Field 28033
Description:When questionnaire results were received by website
Category:Health outcomesCOVID-19 sub-studiesCoronavirus serology study waves 1-6Waves 1-6 symptoms questionnaire
Communication and participation in extension studies

Participants662 Value TypeDate SexedBoth sexes DebutNov 2022
Item count859Item TypeDataInstancesDefined (5)VersionNov 2022
StabilityCompleteStrataAuxiliaryArrayNoCost Tiero1 s1