533,470 items of data are available, covering 501,476 participants, encoded using Data-Coding 100431
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,470 participants, 501,470 items
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
Instance 2 : Imaging visit (2014+)
11,666 participants, 11,666 items
ACE touchscreen question "What best describes the colour of your skin without tanning?"
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. |
This question was dropped from the touchscreen protocol on 24/10/2016.