Data
20,803 items of data are available, covering 18,858 participants, encoded using Data-Coding
100654.
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
11,735 participants, 11,735 items
Instance 1 : First repeat assessment visit (2012-13)
1,609 participants, 1,609 items
Instance 2 : Imaging visit (2014+)
6,605 participants, 6,605 items
Instance 3 : First repeat imaging visit (2019+)
854 participants, 854 items
Notes
ACE touchscreen question "100 ... 99 ... 95 ... 86 ... 70 ... What comes next?". Part 12 of Fluid Intelligence test.
Offered choice from 45, 46, 47, 48, 49, 50.