Data
574,489 items of data are available, covering 498,717 participants, encoded using Data-Coding
100341.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,757 participants, 497,757 items
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
Instance 2 : Imaging visit (2014+)
51,131 participants, 51,131 items
Instance 3 : First repeat imaging visit (2019+)
5,267 participants, 5,267 items
Notes
ACE touchscreen question "On an average day, how easy do you find getting up in the morning?"
If the participant activated the Help button they were shown the message:
If this varies a lot, answer this question in relation to the last 4 weeks.
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