Data
4,248,409 items of data are available, covering 233,325 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
166,223 participants, 2,460,447 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,025 participants, 298,222 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
87,883 participants, 1,303,460 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
12,487 participants, 186,280 items
Too few values for statistical summary.