558,792 items of data are available, covering 501,660 participants, encoded using Data-Coding 100346
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 "How likely are you to doze off or fall asleep during the daytime when you don't mean to? (e.g. when working, reading or driving)"
If the participant activated the Help button they were shown the message:
|If you are unsure, please provide an estimate or select Do not know.|
0 Related Data-FieldsThere are no related data-fields
There are no tabulations involving field 1220.
Registered researchers may, when logged in, request that new analyses be generated and displayed here.