Log in Register

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

Tool Information: Supermarket Sales Data (New Zealand)

Energy, Macronutrient Prospective 3 months Supermarket Sales Data No


This tool collects electronic supermarket sales data via hand-held barcode scanning terminals, random checks were conducted at the payment checkout. Food purchases were converted to nutrient purchases using a supermarket food and nutrient database. The tool was developed as little is known about how sales data reflect the nutrients consumed by an individual household member. The tool was validated in 2010.

Contact Information info

Tool Website

Special Considerations

Alcohol intake was excluded from the analysis. The population was predominantly female with a high level of education and income compared with the general New Zealand population.

Last Updated info


Software Required

Hand-held barcode scanning terminal

Training Required

Not reported

Instructions on use

Instructions on how to use the dietary assessment tool can be found in the publication

Administration Method


Data Analysis

Instuctions on how the dietary data was analysed can be found in the publications and website

Author Year Comparator Lifestage Sex Number of Nutrients Validated Mean Difference Variance Measured info Correlation Coefficients Percentage Agreement Limits of Agreement Special Considerations Action
Eyles 2010 24hr Recall Adults Both 6 Participants were predominantly female with a high level of education and income compared to the general New Zealand population