Data
575,286 items of data are available, covering 497,966 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 5.7 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
496,949 participants, 496,949 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,332 participants, 20,332 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
52,721 participants, 52,721 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,284 participants, 5,284 items
Too few values for statistical summary.