453,344 items of data are available, covering 391,883 participants, encoded using Data-Coding 100397
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
386,159 participants, 386,159 items
Instance 1 : First repeat assessment visit (2012-13)
16,551 participants, 16,551 items
Instance 2 : Imaging visit (2014+)
46,265 participants, 46,265 items
Instance 3 : First repeat imaging visit (2019+)
4,369 participants, 4,369 items
ACE touchscreen question "What type of coffee do you usually drink?"
If the participant activated the Help button they were shown the message:
|If you drink more than one type of coffee, please select the one that|
you drink the most. If you are unsure, select Do not know.
Field 1508 was collected from participants who indicated that they drank at least 1 cup of coffee each day or less than one cup each day, as defined by their answers to Field 1498