Table 3 Concordance in classification between on-ground survey and business lists for food stores
From: Classification bias in commercial business lists for retail food stores in the U.S.
Classification in business list | Classification in ground survey | |||
|---|---|---|---|---|
Supermarket | Grocery store | Convenience store | Specialty store | |
D&B | N = 67 | N = 148 | N = 293 | N = 104 |
Supermarket | 54% | 11% | 5% | 1% |
Grocery store | 37% | 64% | 26% | 14% |
Supermarket & Grocery store | 91% | 75% | 31% | 15% |
Convenience store | 0% | 6% | 24% | 1% |
Specialty food store | 9% | 19% | 45% | 84% |
Total | 100% | 100% | 100% | 100% |
InfoUSA | N = 73 | N = 172 | N = 344 | N = 140 |
Supermarket | –  †| –  †| –  †| –  †|
Grocery store | –  †| –  †| –  †| –  †|
Supermarket & Grocery store | 81% | 69% | 19% | 14% |
Convenience store | 1% | 13% | 49% | 1% |
Specialty food store | 18% | 18% | 32% | 85% |
Total | 100% | 100% | 100% | 100% |