Data
281,640 items of data are available, covering 234,270 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
172,684 participants, 172,684 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,327 participants, 20,327 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
78,825 participants, 78,825 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
9,804 participants, 9,804 items
Too few values for statistical summary.