Data
329,993 items of data are available, covering 227,366 participants, encoded using Data-Coding
100625.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
226,803 participants, 263,133 items
Instance 1 : First repeat assessment visit (2012-13)
9,929 participants, 11,948 items
Instance 2 : Imaging visit (2014+)
40,550 participants, 49,699 items
Instance 3 : First repeat imaging visit (2019+)
4,268 participants, 5,213 items
Notes
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.
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