Data
579,333 items of data are available, covering 497,760 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 5.8 characters, longest is 6.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
496,708 participants, 496,708 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,326 participants, 20,326 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
57,016 participants, 57,016 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,283 participants, 5,283 items
Too few values for statistical summary.