Data
726,847 items of data are available, covering 498,490 participants, encoded using Data-Coding
100502.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 5.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,259 participants, 570,291 items
Instance 1 : First repeat assessment visit (2012-13)
20,314 participants, 22,586 items
Instance 2 : Imaging visit (2014+)
100,917 participants, 111,065 items
Instance 3 : First repeat imaging visit (2019+)
20,920 participants, 22,905 items
Notes
ACE touchscreen question "In the last 2 years have you experienced 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.