Examining systematic biases in secondary commercial data sources of food and alcohol environments: Differences across neighborhood racial and socioeconomic characteristics
Dara Mendez, PhD, MPH1, Kevin H. Kim, PhD2, Cecily Hardaway, PhD3 and Anthony Fabio, MPH, PhD4
(1)University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, (2)University of Pittsburgh, School of Education, Pittsburgh, PA, (3)Duke University, Durham, NC, (4)University of Pittsburgh, Pittsburgh, PA