Data
4,529,357 items of data are available, covering 240,260 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 115.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
166,118 participants, 2,459,885 items
Too few values for statistical summary.
Instance 1 : First repeat assessment visit (2012-13)
20,003 participants, 297,858 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
98,743 participants, 1,464,984 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
20,557 participants, 306,630 items
Too few values for statistical summary.