Data
605,701 items of data are available, covering 502,357 participants, encoded using Data-Coding
8.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
502,357 participants, 502,357 items
Instance 1 : First repeat assessment visit (2012-13)
20,342 participants, 20,342 items
Instance 2 : Imaging visit (2014+)
76,009 participants, 76,009 items
Instance 3 : First repeat imaging visit (2019+)
6,993 participants, 6,993 items
Notes
Calendar month that participant attended a UK Biobank assessment centre.
Automatically acquired at Reception stage.