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Open AccessArticle

Short-Term Effects of Air Pollution on Respiratory and Circulatory Morbidity in Colombia 2011–2014: A Multi-City, Time-Series Analysis

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Departamento de Salud Pública, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Facultad de Ingeniería, Universidad Nacional de Colombia, Bogota 111931, Colombia
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Facultad de Economía, Universidad Santo Tomás, Bogota 110231, Colombia
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Facultad de Ciencias de la Salud, Universidad Autónoma de Bucaramanga, Bucaramanga 681004, Colombia
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Departamento de Salud Pública, Universidad del Norte, Barranquilla 081007, Colombia
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(8), 1610; https://doi.org/10.3390/ijerph15081610
Received: 8 June 2018 / Revised: 15 July 2018 / Accepted: 17 July 2018 / Published: 30 July 2018
(This article belongs to the Section Environmental Health)
Few studies have been conducted on the effect of air pollution on morbidity in Latin America. This study analyzed the effects of air pollution on respiratory and circulatory morbidity in four major cities in Colombia. An ecological time-series analysis was conducted with pollution data from air quality monitoring networks and information on emergency department visits between 2011 and 2014. Daily 24-h averages were calculated for NO2, PM10, PM2.5, and SO2 as well as 8-h averages for CO and O3. Separate time-series were constructed by disease group and pollutant. Conditional negative binomial regression models were used with average population effects. Effects were calculated for the same day and were adjusted for weather conditions, age groups, and their interactions. The results showed that effects of some of the pollutants differed among the cities. For NO2, PM10, and PM2.5, the multi-city models showed greater and statistically significant percentage increases in emergency department visits for respiratory diseases, particularly for the 5 to 9-year-old age group. These same pollutants also significantly affected the rate of emergency department visits for circulatory diseases, especially for the group of persons over 60 years of age. View Full-Text
Keywords: air pollution; morbidity; adverse effects; epidemiology; Colombia air pollution; morbidity; adverse effects; epidemiology; Colombia
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Rodríguez-Villamizar, L.A.; Rojas-Roa, N.Y.; Blanco-Becerra, L.C.; Herrera-Galindo, V.M.; Fernández-Niño, J.A. Short-Term Effects of Air Pollution on Respiratory and Circulatory Morbidity in Colombia 2011–2014: A Multi-City, Time-Series Analysis. Int. J. Environ. Res. Public Health 2018, 15, 1610.

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