316,233 items of data are available, covering 227,384 participants, encoded using Data-Coding 100625
Defined-instances run from 0 to 3, labelled using Instancing 2
Array indices run from 0 to 2.
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
226,881 participants, 263,223 items
Instance 1 : First repeat assessment visit (2012-13)
9,933 participants, 11,952 items
Instance 2 : Imaging visit (2014+)
31,370 participants, 37,943 items
Instance 3 : First repeat imaging visit (2019+)
2,608 participants, 3,115 items
ACE touchscreen question "Do you regularly take any of the following medications? (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 -1 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:
|If you are not sure if you take any of the types of medications,|
enter Do not know. You will be asked to provide all of the
medications that you take later in the visit.