Data
278,975 items of data are available, covering 232,779 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
171,431 participants, 171,431 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,323 participants, 20,323 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
78,734 participants, 78,734 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
8,487 participants, 8,487 items
Too few values for statistical summary.