229,718 items of data are available, covering 206,913 participants, encoded using Data-Coding 100635
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,583 participants, 172,583 items
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Instance 2 : Imaging visit (2014+)
36,807 participants, 36,807 items
ACE touchscreen question "Do you get or have you had noises (such as ringing or buzzing) in your head or in one or both ears that lasts for more than five minutes at a time?"
Field 4803 was collected from all participants except those who indicated they were completely deaf, as defined by their answers to Field 2247
There are no tabulations involving field 4803.
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