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

Kirkman, Scott and Hollingsworth, Bruce and Lake, Amelia and Hinke, Stephanie and Sorrell, Stewart and Burgoine, Thomas and Brown, Heather (2021) Field validity and spatial accuracy of Food Standards Agency Food Hygiene Rating scheme data for England. Journal of Public Health (United Kingdom), 43 (4). E720-E727. ISSN 1741-3842

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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.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Public Health (United Kingdom)
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2739
Subjects:
?? field validityfood environmentfoodscapespatial accuracypublic health, environmental and occupational healthmedicine(all) ??
ID Code:
169418
Deposited By:
Deposited On:
27 Apr 2022 10:25
Refereed?:
Yes
Published?:
Published
Last Modified:
28 Nov 2023 11:39