Data
620,298 items of data are available, covering 498,718 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
497,495 participants, 497,495 items
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Instance 2 : Imaging visit (2014+)
89,817 participants, 89,817 items
Instance 3 : First repeat imaging visit (2019+)
12,658 participants, 12,658 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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