872,316 items of data are available, covering 501,600 participants, encoded using Data-Coding 100553
Defined-instances run from 0 to 3, labelled using Instancing 2
Array indices run from 0 to 6.
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,583 participants, 775,056 items
Instance 1 : First repeat assessment visit (2012-13)
20,336 participants, 28,027 items
Instance 2 : Imaging visit (2014+)
48,340 participants, 65,212 items
Instance 3 : First repeat imaging visit (2019+)
3,081 participants, 4,021 items
ACE touchscreen question "In the last month have you experienced any of the following that interfered with your usual activites? (You can select more than one answer)"
The following checks were performed:
- If code 8 was selected, then no additional choices were allowed.
- If code -7 was selected, then no additional choices were allowed.
- If code -3 was selected, then no additional choices were allowed.
There are no tabulations involving field 6159.
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