Data
1,416,250 items of data are available, covering 457,517 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 2.
Average compound dataset is 3.7Kb, largest is 20Kb.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
453,687 participants, 1,241,033 items
Data not meaningful for statistical summary
Instance 1 : First repeat assessment visit (2012-13)
18,103 participants, 49,582 items
Data not meaningful for statistical summary
Instance 2 : Imaging visit (2014+)
43,140 participants, 117,815 items
Data not meaningful for statistical summary
Instance 3 : First repeat imaging visit (2019+)
2,916 participants, 7,820 items
Data not meaningful for statistical summary