biostudies-literatureRemigio RVMedtronic537-548https://www.ebi.ac.uk/biostudies/studies/S-EPMC6890882biostudies-literatureUnknown96(4)Street-level environment characteristics influence the health behaviors and safety of urban residents, and may particularly threaten health within informal communities. However, available data on how such characteristics vary within and among informal communities is limited. We sought to adapt street audit strategies designed to characterize the physical environment for use in a large informal community, Rio das Pedras (RdP) located in Rio de Janeiro, Brazil. A smartphone-based systematic observation protocol was used to gather street-level information for a high-density convenience sample of street segments (N = 630, estimated as 86% of all street segments in the community). We adapted items related to physical disorder and physical deterioration. Measures selected to illustrate the approJournal of urban health : bulletin of the New York Academy of MedicineA Local View of Informal Urban Environments: a Mobile Phone-Based Neighborhood Audit of Street-Level Factors in a Brazilian Informal Community.PMC6890882FY14-000483Galea SRundle ASheehan DMRemigio RVCarvalho MSLovasi GSRabello RSBryan JZulaika GfalseA Local View of Informal Urban Environments: a Mobile Phone-Based Neighborhood Audit of Street-Level Factors in a Brazilian Informal Community.Street-level environment characteristics influence the health behaviors and safety of urban residents, and may particularly threaten health within informal communities. However, available data on how such characteristics vary within and among informal communities is limited. We sought to adapt street audit strategies designed to characterize the physical environment for use in a large informal community, Rio das Pedras (RdP) located in Rio de Janeiro, Brazil. A smartphone-based systematic observation protocol was used to gather street-level information for a high-density convenience sample of street segments (N = 630, estimated as 86% of all street segments in the community). We adapted items related to physical disorder and physical deterioration. Measures selected to illustrate the appro2019-01-01T00:00:00Z2019 Aug2025-04-19T04:28:30.191Z2025-04-19T04:28:30.191ZS-EPMC68908823088737510.1007/s11524-019-00351-7