Dietary Exposure	Reporting Method	Timeframe info	Collection Method	Available in Food Questionnaire Creator	Action
Full Nutrient	Retrospective;Usual	1 Day	24 Hour Recall	No	Detailed Information	Web Link

Summary

The Oxford WebQ is an online 24-hour dietary questionnaire that is appropriate for repeated administration in large-scale prospective studies. Using objective biomarkers as the standard, Oxford WebQ is validated with more administratively burdensome interviewer-based 24-hour recalls.

Contact Information info

d.c.greenwood@leeds.ac.uk

Tool Website

Special Considerations

Oxford WebQ online dietary questionnaire was designed as a Web-based dietary questionnaire.

Last Updated info

25/9/2021

Software Required

Computer access

Training Required

No

Instructions on use

Instructions on how to use the dietary assessment tool can be found in the publications.

Administration Method

Self-administered

Data Analysis

Instructions on how the dietary data was analysed can be found in the publications.

Author	Year	Comparator	Lifestage	Sex	Number of Nutrients Validated	Mean Difference	Variance Measured info	Correlation Coefficients	Percentage Agreement	Limits of Agreement	Special Considerations	Action
Liu	2011	24hr Recall	Adults	Both	20	✓	✓	✓	✓	✓	N/A	Detailed Information	Web Link
Greenwood	2019	24hr Recall	Adults	Both	3	✓		✓			N/A	Detailed Information	Web Link