Data
140,261 items of data are available, covering 123,223 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
120,020 participants, 120,020 items
Instance 1 : First repeat assessment visit (2012-13)
5,067 participants, 5,067 items
Instance 2 : Imaging visit (2014+)
14,002 participants, 14,002 items
Instance 3 : First repeat imaging visit (2019+)
1,172 participants, 1,172 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