Data
258,226 items of data are available, covering 221,787 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
171,496 participants, 171,496 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,329 participants, 20,329 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
61,218 participants, 61,218 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,183 participants, 5,183 items
Too few values for statistical summary.