This document describes the rationale, development and usage of the 24-hour dietary recall questionnaire as deployed in the latter Biobank assessment centres and subsequently via email invitation and web interface.

This resource can be downloaded or viewed using the link: DietWebQ.pdf

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

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/docs/DietWebQ.pdf