Data
614,247 items of data are available, covering 501,148 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
501,116 participants, 501,116 items
Instance 1 : First repeat assessment visit (2012-13)
20,319 participants, 20,319 items
Instance 2 : Imaging visit (2014+)
84,008 participants, 84,008 items
Instance 3 : First repeat imaging visit (2019+)
8,804 participants, 8,804 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