Data
1,415,898 items of data are available, covering 457,400 participants, encoded using Data-Coding
23.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
453,571 participants, 1,240,716 items
Instance 1 : First repeat assessment visit (2012-13)
18,102 participants, 49,579 items
Instance 2 : Imaging visit (2014+)
43,129 participants, 117,785 items
Instance 3 : First repeat imaging visit (2019+)
2,915 participants, 7,818 items