242,463 items of data are available, covering 227,152 participants, encoded using Data-Coding 100570
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
226,877 participants, 226,877 items
Instance 1 : First repeat assessment visit (2012-13)
9,932 participants, 9,932 items
Instance 2 : Imaging visit (2014+)
5,654 participants, 5,654 items
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. |
This question was dropped from the touchscreen protocol on 24/10/2016.