Data
569,864 items of data are available, covering 494,211 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
494,156 participants, 494,156 items
Instance 1 : First repeat assessment visit (2012-13)
20,068 participants, 20,068 items
Instance 2 : Imaging visit (2014+)
50,438 participants, 50,438 items
Instance 3 : First repeat imaging visit (2019+)
5,202 participants, 5,202 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