Data
589,012 items of data are available, covering 494,180 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
494,108 participants, 494,108 items
Instance 1 : First repeat assessment visit (2012-13)
20,068 participants, 20,068 items
Instance 2 : Imaging visit (2014+)
68,910 participants, 68,910 items
Instance 3 : First repeat imaging visit (2019+)
5,926 participants, 5,926 items
Notes
ACE touchscreen question "Is your father still alive?"
Field 1797 was collected from all participants except those who indicated they were adopted as a child, as defined by their answers to Field 1767