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Tool Library Best Practice Guidelines – Evaluation Checklist (opens new tab)

Tool Information: Medical Research Council-Caerphilly Questionnaire

Full Nutrient, Food Groups Usual; Retrospective Week Food Frequency Questionnaire No


This tool is a comprehensive quantitative paper based food frequency questionnaire, which includes 84 food groups and an open section. The tool was originally designed to assess fibre and macronutrient intake in a Welsh population. This tool has been validated twice, once in 1991 (validation of antioxidants and vitamin intake) and once in 1993 (validation in a smoking population).

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Special Considerations

The publication which describes the development of the FFQ by Yarnell et al., 1983 could not be accessed.

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Software Required

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Training Required

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Instructions on use

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Administration Method


Data Analysis

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Author Year Comparator Lifestage Sex Number of Nutrients Validated Mean Difference Variance Measured info Correlation Coefficients Percentage Agreement Limits of Agreement Special Considerations Action
Bolton-Smith 1991 Biomarkers Adults Male Only 5 Data split by smokers and non-smokers
Biomarkers Adults Male Only (Smokers) 7
Biomarkers Adults Male Only (Non-smokers) 7
Thompson 1993 Weighed Food Diary Adults Male Only 16 Cigarette smokers from general practices in Southampton
Weighed Food Diary Adults Female Only 16