Data
297,369 items of data are available, covering 235,482 participants, encoded using Data-Coding
100646.
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
164,470 participants, 164,470 items
Instance 1 : First repeat assessment visit (2012-13)
20,018 participants, 20,018 items
Instance 2 : Imaging visit (2014+)
93,193 participants, 93,193 items
Instance 3 : First repeat imaging visit (2019+)
19,688 participants, 19,688 items
Notes
ACE touchscreen question "11 12 13 14 15 16 17 18 Divide the sixth number to the right of twelve by three. Is the answer?". Part 4 of Fluid Intelligence test.
Offered choice from 5, 6, 7, or 8.