Participants who worked a particular type of shift, but not for the whole period of a job, were asked the amount of time that they worked this type.

This resource can be downloaded or viewed using the link: oh_shifts_variable.png

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ndph.ox.ac.uk/ukb/ukb/images/oh_shifts_variable.png