Data
639,436 items of data are available, covering 498,516 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
497,285 participants, 497,285 items
Instance 1 : First repeat assessment visit (2012-13)
20,314 participants, 20,314 items
Instance 2 : Imaging visit (2014+)
100,917 participants, 100,917 items
Instance 3 : First repeat imaging visit (2019+)
20,920 participants, 20,920 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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