Data
42,025 items of data are available, covering 39,697 participants, encoded using Data-Coding
100360.
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
39,207 participants, 39,207 items
Instance 1 : First repeat assessment visit (2012-13)
647 participants, 647 items
Instance 2 : Imaging visit (2014+)
1,922 participants, 1,922 items
Instance 3 : First repeat imaging visit (2019+)
249 participants, 249 items
Notes
ACE touchscreen question "Compared to 10 years ago do you smoke..."
Field 3506 was collected from participants who indicated they currently smoke tobacco on most or all days, as defined by their answers to Field 1239