Data
620,984 items of data are available, covering 498,500 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 6.0 characters, longest is 12.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,311 participants, 497,311 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,313 participants, 20,313 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
89,066 participants, 89,066 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
14,294 participants, 14,294 items
Too few values for statistical summary.