Data
229,762 items of data are available, covering 194,368 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
142,092 participants, 142,092 items
Instance 1 : First repeat assessment visit (2012-13)
18,102 participants, 18,102 items
Instance 2 : Imaging visit (2014+)
63,420 participants, 63,420 items
Instance 3 : First repeat imaging visit (2019+)
6,148 participants, 6,148 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.