55,051 items of data are available, covering 51,930 participants, encoded using Data-Coding 100301
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
50,252 participants, 50,252 items
Instance 1 : First repeat assessment visit (2012-13)
1,124 participants, 1,124 items
Instance 2 : Imaging visit (2014+)
3,295 participants, 3,295 items
Instance 3 : First repeat imaging visit (2019+)
380 participants, 380 items
ACE touchscreen question "Does your work involve night shifts?"
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.
Night shifts are a work schedule that involves working through the
normal sleeping hours, for instance working through the hours from
12am to 6am.
Field 3426 was collected from participants who indicated they were in paid employment or self-employed, as defined by their answers to Field 6142 and excepting those who indicated their work never or rarely involved a shift pattern, as defined by their answers to Field 6142