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Title: Residential proximity to industrial pollution sources and colorectal cancer risk: A multicase-control study (MCC-Spain)
Author: García Pérez, Javier
Fernández de Larrea Baz, Nerea
Lope, Virginia
Molina de la Torre, Antonio José
O'Callaghan Gordo, Cristina
Alonso Aguado, Maria Henar
Rodríguez Suárez, Marta María
Mirón Pozo, Benito
Alguacil, Juan
Gómez Acebo, Inés
Ascunce, Nieves
Vanaclocha Espi, Mercedes
Amiano, Pilar
Chirlaque, María Dolores
Simó, Vicente
Jiménez Moleón, José Juan
Tardón, Adonina
Moreno Aguado, Víctor
Castaño-Vinyals, Gemma
Martín Sánchez, Vicente
Aragonès Sanz, Núria
Pérez Gómez, Beatriz
Kogevinas, Manolis
Pollán, Marina
Keywords: Càncer colorectal
Contaminació atmosfèrica
Zones industrials
Colorectal cancer
Atmospheric pollution
Industrial sites
Issue Date: 1-Nov-2020
Publisher: Elsevier
Abstract: Background: Colorectal cancer is the third most frequent tumor in males and the second in females worldwide. In Spain, it is an important and growing health problem, and epidemiologic research focused on potential risk factors, such as environmental exposures, is necessary. Objectives: To analyze the association between colorectal cancer risk and residential proximity to industries, according to pollution discharge route, industrial groups, categories of carcinogens and other toxic substances, and specific pollutants released, in the context of a population-based multicase-control study of incident cancer carried out in Spain (MCC-Spain). Methods: MCC-Spain included 557 colorectal cancer cases and 2948 controls in 11 provinces, frequency matched by sex, age, and region of residence. Distances were computed from subjects' residences to each of the 134 industries located in the study area. Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (95%CIs) for categories of distance (from 1 km to 3 km) to industrial facilities, adjusting for matching variables and other confounders. Results: Excess risk (OR; 95%CI) of colorectal cancer was detected near industries overall for all distances analyzed, from 1 km (2.03; 1.44-2.87) to 3 km (1.26; 1.00-1.59). In general, industries releasing pollutants to air showed higher excess risks than facilities releasing pollution to water. By industrial sector, excess risk (OR; 95%CI) was found near (<= 3 km) production of metals (2.66; 1.77-4.00), surface treatment of metals (1.48; 1.08-2.02), glass and mineral fibers (2.06; 1.39-3.07), organic chemical industry (4.80; 3.20-7.20), inorganic chemical industry (6.74; 4.38-10.36), food/beverage sector (3.34; 2.38-4.68), and surface treatment using organic solvents (6.16; 4.06-9.36). By pollutants, the main excess risks (OR; 95%CI) were found near (<= 3 km) industries releasing nonylphenol (9.19; 5.91-14.28), antimony (5.30; 3.45-8.15), naphthalene (3.11; 2.16-4.49), organotin compounds (2.64; 1.76-3.98), manganese (2.53; 1.63-3.93), dichloromethane (2.52; 1.74-3.66), and vanadium (2.49; 1.59-3.91). Conclusions: Our results support the hypothesis that residing in the proximity of industries may be a risk factor for colorectal cancer.
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It is part of: Environment International, 2020, vol. 144, p. 106055
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Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))
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