245,301 items of data are available, covering 214,217 participants, encoded using Data-Coding 100635
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,559 participants, 172,559 items
Instance 1 : First repeat assessment visit (2012-13)
20,326 participants, 20,326 items
Instance 2 : Imaging visit (2014+)
48,635 participants, 48,635 items
Instance 3 : First repeat imaging visit (2019+)
3,781 participants, 3,781 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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