Data
143,851 items of data are available, covering 123,912 participants, encoded using Data-Coding
100369.
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
120,011 participants, 120,011 items
Instance 1 : First repeat assessment visit (2012-13)
5,067 participants, 5,067 items
Instance 2 : Imaging visit (2014+)
17,226 participants, 17,226 items
Instance 3 : First repeat imaging visit (2019+)
1,547 participants, 1,547 items
Notes
ACE touchscreen question "Do you think you may start smoking again?"
Field 2936 was collected from participants who indicated that in the past they smoked tobacco on most or all days, as defined by their answers to Field 1249 and that during the time they smoked they stopped for more than 6 months, as defined by their answers to Field 1249