635,889 items of data are available, covering 498,693 participants, encoded using Data-Coding 100629
Defined-instances run from 0 to 2, labelled using Instancing 2
Array indices run from 0 to 6.
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,829 participants, 569,928 items
Instance 1 : First repeat assessment visit (2012-13)
20,337 participants, 23,367 items
Instance 2 : Imaging visit (2014+)
36,810 participants, 42,594 items
ACE touchscreen question "Do you regularly take any of the following? (You can select more than one answer)"
The following checks were performed:
- 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 6155.
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