Data
368,281 items of data are available, covering 267,997 participants, encoded using Data-Coding
100299.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 3.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
265,529 participants, 330,855 items
Instance 1 : First repeat assessment visit (2012-13)
7,475 participants, 9,251 items
Instance 2 : Imaging visit (2014+)
20,673 participants, 25,916 items
Instance 3 : First repeat imaging visit (2019+)
1,835 participants, 2,259 items
Notes
ACE touchscreen question "What types of transport do you use to get to and from work? (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 -3 was selected, then no additional choices were allowed.
If the participant activated the Help button they were shown the message:
If you have more than one 'current job' then answer this question for your MAIN job only. If you use more than one form of transport then select all that apply
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Field 6143 was collected from participants who indicated they were in paid employment or self-employed, as defined by their answers to Field 6142 except those who indicated they always work from home, as defined by their answers to Field 6142