Data
281,811 items of data are available, covering 233,633 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
169,522 participants, 169,522 items
Instance 1 : First repeat assessment visit (2012-13)
20,105 participants, 20,105 items
Instance 2 : Imaging visit (2014+)
83,431 participants, 83,431 items
Instance 3 : First repeat imaging visit (2019+)
8,753 participants, 8,753 items
Notes
Introduced part way through fieldwork in April 2009.
ACE touchscreen question "Have any of your mother, father, brothers or sisters died suddenly from a non-accidental cause? (Do not include half-, step- or adopted brothers and sisters)"