Data
242,384 items of data are available, covering 227,077 participants, encoded using Data-Coding
100570.
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
226,801 participants, 226,801 items
Instance 1 : First repeat assessment visit (2012-13)
9,929 participants, 9,929 items
Instance 2 : Imaging visit (2014+)
5,654 participants, 5,654 items
Notes
ACE touchscreen question "When did your voice break?"
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.
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This question was dropped from the touchscreen protocol on 24/10/2016.