Data
258,934 items of data are available, covering 221,920 participants, encoded using Data-Coding
100635.
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
172,524 participants, 172,524 items
Instance 1 : First repeat assessment visit (2012-13)
20,325 participants, 20,325 items
Instance 2 : Imaging visit (2014+)
60,811 participants, 60,811 items
Instance 3 : First repeat imaging visit (2019+)
5,274 participants, 5,274 items
Notes
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