Data
219,723 items of data are available, covering 188,685 participants, encoded using Data-Coding
100648.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
142,093 participants, 142,093 items
Instance 1 : First repeat assessment visit (2012-13)
18,103 participants, 18,103 items
Instance 2 : Imaging visit (2014+)
54,798 participants, 54,798 items
Instance 3 : First repeat imaging visit (2019+)
4,729 participants, 4,729 items
Notes
ACE touchscreen question "If sixty is more than half of seventy-five, multiply twenty-three by three. If not subtract 15 from eighty-five. Is the answer?". Part 6 of Fluid Intelligence test.
Offered choice from 68, 69, 70, 71, 72.