533,564 items of data are available, covering 501,567 participants, encoded using Data-Coding 100434
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,561 participants, 501,561 items
Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 20,335 items
Instance 2 : Imaging visit (2014+)
11,668 participants, 11,668 items
ACE touchscreen question "What best describes your natural hair colour? (If your hair colour is grey, the colour before you went grey)"
If the participant activated the Help button they were shown the message:
|If you are unsure, please select the colour closest to your natural |
adult hair colour or select Do not know.
This question was dropped from the touchscreen protocol on 24/10/2016.