Table 2 Concordance correlation coefficient between Google data and DENUE in census tracts in Mexico, 2021
Density of food outlets (counts/km2) | Concordance correlation coefficient (95% CI) between Google and DENUE |
|---|---|
Overall | 0.75 (0.73, 0.77) |
Type of food outlets | |
Specialty food stores | 0.52 (0.50, 0.55) |
Restaurants | 0.58 (0.56, 0.61) |
Candy and ice cream stores | 0.08 (0.06, 0.10) |
Supermarkets | 0.74 (0.72, 0.76) |
Convenience stores/small food retail stores | 0.29 (0.27, 0.32) |
Socioeconomic deprivationa | |
Very low | 0.82 (0.79, 0.85) |
Low | 0.79 (0.75, 0.82) |
Medium | 0.65 (0.59, 0.70) |
High | 0.49 (0.41, 0.56) |
Very high | 0.27 (0.20, 0.34) |