Data
533,455 items of data are available, covering 501,462 participants, encoded using Data-Coding
100434.
Defined-instances run from 0 to 2, labelled using Instancing
2.
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,456 participants, 501,456 items
Instance 1 : First repeat assessment visit (2012-13)
20,333 participants, 20,333 items
Instance 2 : Imaging visit (2014+)
11,666 participants, 11,666 items
Notes
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.
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This question was dropped from the touchscreen protocol on 24/10/2016.
0 Related Data-Fields
There are no related data-fields