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. 2010 Oct 20;172(11):1324–1333. doi: 10.1093/aje/kwq292

Table 5.

Percentage of Located and Open Food Outlets That Were Correctly Allocated to Within 100 m of Their Actual Position, by Secondary Data Source, South Carolina, 2008–2009

Outlet Type South Carolina DHEC
Dun & Bradstreet, Inc.
InfoUSA, Inc.
% 95% CI % 95% CI % 95% CI
All food outlets 39 37, 41 29 27, 31 34 32, 36
Stores 24 21, 26 31 28, 34 29 26, 32
Restaurants 49 46, 52 28 25, 30 38 36, 41

Abbreviations: CI, confidence interval; DHEC, Department of Health and Environmental Control.