Data
579,041 items of data are available, covering 497,533 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 5.8 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
496,482 participants, 496,482 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,312 participants, 20,312 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
56,967 participants, 56,967 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,280 participants, 5,280 items
Too few values for statistical summary.