Comparison of self-report of reduced fat and salt foods with sales and supply data - PubMed (original) (raw)

Comparison of self-report of reduced fat and salt foods with sales and supply data

K L Radimer et al. Eur J Clin Nutr. 1998 May.

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.