573,735 items of data are available, covering 501,575 participants, encoded using Data-Coding 100603
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,558 participants, 501,558 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 "Has a doctor ever told you that you have had cancer?"
If the participant activated the Help button they were shown the message:
|If you are unsure if you have been told you had cancer, select|
Do not know and you will be asked about this by an interviewer
later during this visit.
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