Data
357,029 items of data are available, covering 271,383 participants, encoded using Data-Coding
100626.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 3.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
270,764 participants, 297,863 items
Instance 1 : First repeat assessment visit (2012-13)
10,401 participants, 11,572 items
Instance 2 : Imaging visit (2014+)
38,980 participants, 43,645 items
Instance 3 : First repeat imaging visit (2019+)
3,581 participants, 3,949 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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