Data
273,719 items of data are available, covering 230,368 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 1.7 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,212 participants, 172,212 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,331 participants, 20,331 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
74,240 participants, 74,240 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
6,936 participants, 6,936 items
Too few values for statistical summary.