Data
517,253 items of data are available, covering 457,010 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Average length is 5.0 characters, longest is 5.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
453,186 participants, 453,186 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
18,084 participants, 18,084 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
43,071 participants, 43,071 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
2,912 participants, 2,912 items
Too few values for statistical summary.