Data
269,421 items of data are available, covering 227,826 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 2.9 characters, longest is 200.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
171,494 participants, 171,494 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
70,899 participants, 70,899 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
6,700 participants, 6,700 items
Too few values for statistical summary.