Tool Information: FFQ (Whitehall II Study)
|Full Nutrient, Food Groups||Usual; Retrospective||1 Year||Food Frequency Questionnaire||No||Detailed Information||Web Link|
This tool is a semi-quantitative paper based food frequency questionnaire, which includes 127 food items and questions regarding the types of fat or oil used for frying and baking. Using standard portion sizes, it is intended to measure how often, on average, adults had consumed an amount of the 127 food items during the previous year. This tool has been validated once in 2001.
This tool is unavailable. The tool is based on that used in the US Nurses Health Study (Willett et al., 1985, 1998) and was adapted for the EPIC project in the UK after discussions with the tools project team. The tool was also used as a model for the EPIC baseline survey. There are only some very minor differences e.g. colour versus black and white photos for portion size estimation, between this tool and the ones used in the EPIC studies.
Instructions on use
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||Correlation Coefficients||Percentage Agreement||Limits of Agreement||Special Considerations||Action|
|Brunner||2001||Estimated Food Diary||Adults||Male Only||18||✓||✓||✓||✓||✓||Participants were drawn from the Whitehall II longitudinal study of British civil servants (Marmot et al., 1991)||Detailed Information||Web Link|
|Estimated Food Diary||Adults||Female Only||18||✓||✓||✓||✓||✓|