639,312 items of data are available, covering 498,679 participants, encoded using Data-Coding 100538
Defined-instances run from 0 to 3, labelled using Instancing 2
Array indices run from 0 to 5.
|None of the above||346519|
|Prefer not to answer||1924|
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,775 participants, 559,044 items
|None of the above||298368|
|Prefer not to answer||1782|
Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 22,638 items
|None of the above||12717|
|Prefer not to answer||28|
Instance 2 : Imaging visit (2014+)
48,639 participants, 53,141 items
|None of the above||32587|
|Prefer not to answer||109|
Instance 3 : First repeat imaging visit (2019+)
4,101 participants, 4,489 items
|None of the above||2847|
|Prefer not to answer||5|
ACE touchscreen question "Do you have 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.
If the participant activated the Help button they were shown the message:
|Answer this question thinking about the past year.|
There are no tabulations involving field 6149.
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