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Health Place. 2010 Jul;16(4):666-73. doi: 10.1016/j.healthplace.2010.02.004. Epub 2010 Feb 18.

The foodscape: classification and field validation of secondary data sources.

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1
Applied Biosciences, School of Applied Sciences, Northumbria University, Ellison Building, Newcastle upon Tyne NE18ST, UK. Amelia.lake@northumbria.ac.uk

Abstract

The aims were to: develop a food environment classification tool and to test the acceptability and validity of three secondary sources of food environment data within a defined urban area of Newcastle-Upon-Tyne, using a field validation method. A 21 point (with 77 sub-categories) classification tool was developed. The fieldwork recorded 617 establishments selling food and/or food products. The sensitivity analysis of the secondary sources against fieldwork for the Newcastle City Council data was good (83.6%), while Yell.com and the Yellow Pages were low (51.2% and 50.9%, respectively). To improve the quality of secondary data, multiple sources should be used in order to achieve a realistic picture of the foodscape.

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