Data
141,175 items of data are available, covering 123,404 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
120,016 participants, 120,016 items
Instance 1 : First repeat assessment visit (2012-13)
5,067 participants, 5,067 items
Instance 2 : Imaging visit (2014+)
14,901 participants, 14,901 items
Instance 3 : First repeat imaging visit (2019+)
1,191 participants, 1,191 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