Data
517,717 items of data are available, covering 457,400 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 5.0 characters, longest is 5.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
453,571 participants, 453,571 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
18,102 participants, 18,102 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
43,129 participants, 43,129 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
2,915 participants, 2,915 items
Too few values for statistical summary.