Data
247,859 items of data are available, covering 214,906 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 1.3 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,235 participants, 172,235 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,332 participants, 20,332 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
50,015 participants, 50,015 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,277 participants, 5,277 items
Too few values for statistical summary.