558,792 items of data are available, covering 501,660 participants, encoded using Data-Coding 100343
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,645 participants, 501,645 items
Instance 1 : First repeat assessment visit (2012-13)
20,337 participants, 20,337 items
Instance 2 : Imaging visit (2014+)
36,810 participants, 36,810 items
ACE touchscreen question "Do you have trouble falling asleep at night or do you wake up in the middle of the night?"
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.|
0 Related Data-FieldsThere are no related data-fields
There are no tabulations involving field 1200.
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