Data
3,571,679 items of data are available, covering 208,566 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 1 to 15.
Average length is 3.0 characters, longest is 3.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
166,088 participants, 2,459,909 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
19,962 participants, 298,094 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
49,368 participants, 736,134 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,188 participants, 77,542 items
Too few values for statistical summary.