573,778 items of data are available, covering 501,618 participants, encoded using Data-Coding 100346
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,601 participants, 501,601 items
Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 20,335 items
Instance 2 : Imaging visit (2014+)
48,642 participants, 48,642 items
Instance 3 : First repeat imaging visit (2019+)
3,200 participants, 3,200 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. |
The option "All of the time" was removed during the Initial Assessment phase.
0 Related Data-FieldsThere are no related data-fields
There are no tabulations involving field 1220.
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