Abstract
Objective: Examine the validity of self-reported use of reduced fat and reduced salt foods.
Design: Compare data collected in a food frequency questionnaire with supermarket sales data and food supply data.
Setting: Rural Australia.
Subjects: Four hundred and fifty-three respondents from an original sample of 1616 randomly-selected residents.
Interventions: Community health campaign to reduce cardiovascular disease.
Results: Reported use of reduced fat and reduced salt foods was greater than store sales and milk deliveries of these products.
Conclusions: External data did not support the validity of self-reported use of these products.
Sponsorships: National Health and Medical Research Council of Australia, Epidemiology and Health Information Branch of Queensland Health Department.
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Radimer, K., Harvey, P. Comparison of self-report of reduced fat and salt foods with sales and supply data. Eur J Clin Nutr 52, 380–382 (1998). https://doi.org/10.1038/sj.ejcn.1600557
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DOI: https://doi.org/10.1038/sj.ejcn.1600557
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