Data
643,013 items of data are available, covering 500,929 participants, encoded using Data-Coding
100349.
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
500,888 participants, 500,888 items
Instance 1 : First repeat assessment visit (2012-13)
20,305 participants, 20,305 items
Instance 2 : Imaging visit (2014+)
100,902 participants, 100,902 items
Instance 3 : First repeat imaging visit (2019+)
20,918 participants, 20,918 items
Notes
ACE touchscreen question "Do you find it difficult to follow a conversation if there is background noise (such as TV, radio, children playing)?"
Field 2257 was collected from all participants except those who indicated they were completely deaf, as defined by their answers to Field 2247