Data
572,515 items of data are available, covering 494,209 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
494,153 participants, 494,153 items
Instance 1 : First repeat assessment visit (2012-13)
20,068 participants, 20,068 items
Instance 2 : Imaging visit (2014+)
53,085 participants, 53,085 items
Instance 3 : First repeat imaging visit (2019+)
5,209 participants, 5,209 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