782,639 items of data are available, covering 498,768 participants, encoded using Data-Coding 100288
Defined-instances run from 0 to 3, labelled using Instancing 2
Array indices run from 0 to 2.
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,772 participants, 677,987 items
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 27,714 items
Instance 2 : Imaging visit (2014+)
55,584 participants, 70,434 items
Instance 3 : First repeat imaging visit (2019+)
5,274 participants, 6,504 items
ACE touchscreen question "Do you have any of the following in your home? (You can select more than one answer)"
The following checks were performed:
- If code -7 was selected, then no additional choices were allowed.
- If code -1 was selected, then no additional choices were allowed.
- If code -3 was selected, then no additional choices were allowed.
If the participant activated the Help button they were shown the message:
|Solid fuel refers to wood or coal.|
Regular use is when you use this for most days of the
week in the winter time.