Data
608,820 items of data are available, covering 497,975 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 6.0 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
496,708 participants, 496,708 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,326 participants, 20,326 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
83,004 participants, 83,004 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
8,782 participants, 8,782 items
Too few values for statistical summary.