Data
268,703 items of data are available, covering 227,839 participants, encoded using Data-Coding
100637.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,515 participants, 172,515 items
Instance 1 : First repeat assessment visit (2012-13)
20,325 participants, 20,325 items
Instance 2 : Imaging visit (2014+)
69,865 participants, 69,865 items
Instance 3 : First repeat imaging visit (2019+)
5,998 participants, 5,998 items
Notes
ACE touchscreen question "Have you ever worked in a noisy place where you had to shout to be heard?"
Field 4825 was collected from all participants except those who indicated they were completely deaf, as defined by their answers to Field 2247