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The use of supermarket till receipts to determine the fat and energy intake in a UK population

Published online by Cambridge University Press:  02 January 2007

Joan K Ransley ,
Judith K Donnelly ,
Tanya N Khara ,
Helen Botham ,
Heidy Arnot ,
Darren C Greenwood  and
Janet E Cade
Joan K Ransley*
Affiliation:
Public Health Nutrition Unit, Trinity and All Saints, University of Leeds, Leeds LS18 5HD, UK
Judith K Donnelly
Affiliation:
Public Health Nutrition Unit, Trinity and All Saints, University of Leeds, Leeds LS18 5HD, UK
Tanya N Khara
Affiliation:
Public Health Nutrition Unit, Trinity and All Saints, University of Leeds, Leeds LS18 5HD, UK
Helen Botham
Affiliation:
Public Health Nutrition Unit, Trinity and All Saints, University of Leeds, Leeds LS18 5HD, UK
Heidy Arnot
Affiliation:
Public Health Nutrition Unit, Trinity and All Saints, University of Leeds, Leeds LS18 5HD, UK
Darren C Greenwood
Affiliation:
Nutrition Epidemiology Group, Nuffield Institute for Health, University of Leeds, Leeds LS2 9PL, UK
Janet E Cade
Affiliation:
Nutrition Epidemiology Group, Nuffield Institute for Health, University of Leeds, Leeds LS2 9PL, UK
*
*Corresponding author: Email [email protected]
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Abstract

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Objectives:

To validate the use of supermarket receipts as an index of fat and energy intake in a population that buys most of its food from supermarkets.

Design:

Cross-sectional, prospective dietary survey – feasibility study.

Setting:

Households situated within a 20-mile radius of a large (Tesco) supermarket in Leeds.

Subjects:

Two hundred and fourteen households who spend ≥=60% of their food purse in (Tesco and other) supermarkets.

Results:

Mean daily household purchase of fat, energy and percentage energy from fat contained in food from supermarkets were 185 g, 19.2 MJ and 35.9%. Mean daily household intakes of fat and energy were 190 g and 20.7 MJ, and 35% of energy was derived from fat. Mean household size was 2.4 persons. The association between the amount of fat and energy purchased from supermarkets and the amount of fat and energy consumed by households was strong. 0.90 MJ (95% confidence interval (CI): 0.8–1.0) of energy were consumed for every 1 MJ purchased from supermarkets and 0.76 g (95% CI: 0.64–0.87) of fat were consumed for every 1 g of fat purchased.

Conclusions:

The results show a strong association between estimates of the intakes of fat and energy and percentage energy from fat using 4-day food diaries and 28 days of receipts, in populations who buy most of their food from supermarkets. They also show that the fat content of total food purchases from supermarkets is 35.9% energy from fat compared with 33% energy from fat recommended by the Department of Health. This preliminary research indicates the feasibility of and potential for utilising large quantities of readily available data generated from supermarket checkouts in dietary surveys.

Keywords

Till receiptsFatEnergySupermarketsHousehold dietary assessment
Type
Research Article
Information
Public Health Nutrition , Volume 4 , Issue 6 , December 2001 , pp. 1279 - 1286
Copyright
Copyright © CABI Publishing 2001

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