Data
580,772 items of data are available, covering 501,380 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
501,361 participants, 501,361 items
Instance 1 : First repeat assessment visit (2012-13)
20,325 participants, 20,325 items
Instance 2 : Imaging visit (2014+)
53,812 participants, 53,812 items
Instance 3 : First repeat imaging visit (2019+)
5,274 participants, 5,274 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