604,036 items of data are available, covering 501,453 participants, encoded using Data-Coding 100349
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,424 participants, 501,424 items
Instance 1 : First repeat assessment visit (2012-13)
20,333 participants, 20,333 items
Instance 2 : Imaging visit (2014+)
75,333 participants, 75,333 items
Instance 3 : First repeat imaging visit (2019+)
6,946 participants, 6,946 items
ACE touchscreen question "Has a doctor ever told you that you have diabetes?"
If the participant activated the Help button they were shown the message:
|If you are unsure if you have been told you had diabetes,|
select Do not know and you will be asked about this by an
interviewer later during this visit.