Data
4,105,476 items of data are available, covering 229,495 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
166,181 participants, 2,460,830 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,017 participants, 298,068 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
82,123 participants, 1,216,911 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
8,679 participants, 129,667 items
Too few values for statistical summary.