Data
3,778,748 items of data are available, covering 217,842 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 1 to 15.
Average length is 5.3 characters, longest is 200.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
166,290 participants, 2,461,436 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,031 participants, 298,312 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
63,533 participants, 940,096 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
5,292 participants, 78,904 items
Too few values for statistical summary.