Data
549,702 items of data are available, covering 460,996 participants, encoded using Data-Coding
100417.
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
460,240 participants, 460,240 items
Instance 1 : First repeat assessment visit (2012-13)
18,967 participants, 18,967 items
Instance 2 : Imaging visit (2014+)
64,885 participants, 64,885 items
Instance 3 : First repeat imaging visit (2019+)
5,610 participants, 5,610 items
Notes
ACE touchscreen question "Compared to 10 years ago, do you drink?"
Field 1628 was collected from participants who indicated they drink alcohol, as defined by their answers to Field 1558