Field validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating Scheme data for England

Scott Kirkman; Bruce Hollingsworth; Amelia Lake; Stephanie von Hinke; Stewart Sorrell; Thomas Burgoine; Heather  Brown

doi:10.1093/pubmed/fdaa172

Field validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating Scheme data for England

Scott Kirkman, Bruce Hollingsworth, Amelia Lake, Stephanie von Hinke, Stewart Sorrell, Thomas Burgoine, Heather Brown^*

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

5 Citations (Scopus)

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Abstract

Background

The study aimed to evaluate the validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating online data through a field audit.

Methods

A field audit was conducted in five Lower Layer Super Output Areas (LSOAs) in the North East of England. LSOAs were purposively selected from the top and bottom quintiles of the Index of Multiple Deprivation and from urban and rural areas. The FHRS data validity against the field data was measured as Positive Predictive Values (PPV) and sensitivity. Spatial accuracy was evaluated via mean difference in straight line distances between the FHRS coordinates and the field coordinates.

Results

In all, 182 premises were present in the field, of which 162 were in the FHRS data giving a sensitivity of 89%. Eight outlets recorded in the FHRS data were absent in the field, giving a PPV of 95%.The mean difference in the geographical coordinates of the field audit compared to the FHRS was 110 m, and <100 m for 77% of outlets.

Conclusions

After an evaluation of the validity and spatial accuracy of the FHRS data, the results suggest that it is a useful dataset for surveillance of the food environment and for intervention evaluation.

Original language	English
Article number	fdaa172
Number of pages	8
Journal	Journal of Public Health (United Kingdom)
DOIs	https://doi.org/10.1093/pubmed/fdaa172
Publication status	Published - 24 Sept 2020

Research Groups and Themes

ECON CEPS Data

Keywords

food environment
foodscape
field validity
spatial accuracy

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title = "Field validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating Scheme data for England",

abstract = "BackgroundThe study aimed to evaluate the validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating online data through a field audit.MethodsA field audit was conducted in five Lower Layer Super Output Areas (LSOAs) in the North East of England. LSOAs were purposively selected from the top and bottom quintiles of the Index of Multiple Deprivation and from urban and rural areas. The FHRS data validity against the field data was measured as Positive Predictive Values (PPV) and sensitivity. Spatial accuracy was evaluated via mean difference in straight line distances between the FHRS coordinates and the field coordinates.ResultsIn all, 182 premises were present in the field, of which 162 were in the FHRS data giving a sensitivity of 89%. Eight outlets recorded in the FHRS data were absent in the field, giving a PPV of 95%.The mean difference in the geographical coordinates of the field audit compared to the FHRS was 110 m, and <100 m for 77% of outlets.ConclusionsAfter an evaluation of the validity and spatial accuracy of the FHRS data, the results suggest that it is a useful dataset for surveillance of the food environment and for intervention evaluation.",

keywords = "food environment, foodscape, field validity, spatial accuracy",

author = "Scott Kirkman and Bruce Hollingsworth and Amelia Lake and {von Hinke}, Stephanie and Stewart Sorrell and Thomas Burgoine and Heather Brown",

year = "2020",

month = sep,

day = "24",

doi = "10.1093/pubmed/fdaa172",

language = "English",

journal = "Journal of Public Health (United Kingdom)",

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T1 - Field validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating Scheme data for England

AU - Kirkman, Scott

AU - Hollingsworth, Bruce

AU - Lake, Amelia

AU - von Hinke, Stephanie

AU - Sorrell, Stewart

AU - Burgoine, Thomas

AU - Brown, Heather

PY - 2020/9/24

Y1 - 2020/9/24

N2 - BackgroundThe study aimed to evaluate the validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating online data through a field audit.MethodsA field audit was conducted in five Lower Layer Super Output Areas (LSOAs) in the North East of England. LSOAs were purposively selected from the top and bottom quintiles of the Index of Multiple Deprivation and from urban and rural areas. The FHRS data validity against the field data was measured as Positive Predictive Values (PPV) and sensitivity. Spatial accuracy was evaluated via mean difference in straight line distances between the FHRS coordinates and the field coordinates.ResultsIn all, 182 premises were present in the field, of which 162 were in the FHRS data giving a sensitivity of 89%. Eight outlets recorded in the FHRS data were absent in the field, giving a PPV of 95%.The mean difference in the geographical coordinates of the field audit compared to the FHRS was 110 m, and <100 m for 77% of outlets.ConclusionsAfter an evaluation of the validity and spatial accuracy of the FHRS data, the results suggest that it is a useful dataset for surveillance of the food environment and for intervention evaluation.

AB - BackgroundThe study aimed to evaluate the validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating online data through a field audit.MethodsA field audit was conducted in five Lower Layer Super Output Areas (LSOAs) in the North East of England. LSOAs were purposively selected from the top and bottom quintiles of the Index of Multiple Deprivation and from urban and rural areas. The FHRS data validity against the field data was measured as Positive Predictive Values (PPV) and sensitivity. Spatial accuracy was evaluated via mean difference in straight line distances between the FHRS coordinates and the field coordinates.ResultsIn all, 182 premises were present in the field, of which 162 were in the FHRS data giving a sensitivity of 89%. Eight outlets recorded in the FHRS data were absent in the field, giving a PPV of 95%.The mean difference in the geographical coordinates of the field audit compared to the FHRS was 110 m, and <100 m for 77% of outlets.ConclusionsAfter an evaluation of the validity and spatial accuracy of the FHRS data, the results suggest that it is a useful dataset for surveillance of the food environment and for intervention evaluation.

KW - food environment

KW - foodscape

KW - field validity

KW - spatial accuracy

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DO - 10.1093/pubmed/fdaa172

M3 - Article (Academic Journal)

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SN - 1741-3842

JO - Journal of Public Health (United Kingdom)

JF - Journal of Public Health (United Kingdom)

M1 - fdaa172

ER -

Field validity and spatial accuracy of the Food Standards Agency Food Hygiene Rating Scheme data for England

Abstract

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Keywords

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