Data
310,623 items of data are available, covering 227,368 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
226,898 participants, 263,241 items
Instance 1 : First repeat assessment visit (2012-13)
9,933 participants, 11,952 items
Instance 2 : Imaging visit (2014+)
26,870 participants, 32,384 items
Instance 3 : First repeat imaging visit (2019+)
2,556 participants, 3,046 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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