<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-6230</journal-id>
<journal-title><![CDATA[Revista Facultad de Ingeniería Universidad de Antioquia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.fac.ing.univ. Antioquia]]></abbrev-journal-title>
<issn>0120-6230</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-62302022000300168</article-id>
<article-id pub-id-type="doi">10.17533/udea.redin.20210954</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Association between particulate matter and respiratory symptoms in students in the municipality of Guachetá, Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Asociación entre material particulado y síntomas respiratorios en estudiantes del municipio de Guachetá, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saavedra]]></surname>
<given-names><![CDATA[Barbara J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sepúlveda]]></surname>
<given-names><![CDATA[Andrés F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[Ronal J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco-Becerra]]></surname>
<given-names><![CDATA[Luis C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Santo Tomás Facultad de Ingeniería Ambiental ]]></institution>
<addr-line><![CDATA[Bogotá D. C. ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Santo Tomás Facultad de Economía ]]></institution>
<addr-line><![CDATA[Bogotá D. C. ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<numero>104</numero>
<fpage>168</fpage>
<lpage>177</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-62302022000300168&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-62302022000300168&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-62302022000300168&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The purpose of this article was to establish the association between exposure to particulate matter and respiratory symptoms evaluated in students who remain in schools at the municipality of Guachetá (Colombia). This is a cross-sectional study conducted on children between 4 and 17 years old, in two schools in the municipality of Guachetá. During a period of 11 consecutive working days, using a personal sampling pump and a low-cost real-time sensor, concentrations of PM10 and PM2.5 were measured. A survey was applied to a sample of 276 students, obtaining respiratory symptoms and general data. A prevalence ratio (PR) was estimated to show the possible association between exposure to particulate matter and respiratory symptoms. The school with the highest concentrations of particulate matter presented a possible association with all the respiratory symptoms evaluated in the school facilities, with a PR of 3.05 (95%CI:1.62-5.76) for cough, 1.85 (95%CI:1.06-3.24) for phlegm, 5.12 (95%CI:2.17-12.07) for shortness of breath, 3.83 (95%CI:2.07-7.10) for sneezing and 2.25 (95%CI:1.12-4.54) for dry nasal passages. In conclusion, children who are located in the school closest to a coke furnace and disrepair roads where heavy traffic circulates, are possibly associated with the presence of respiratory symptoms during their stay in the school facilities. For living in the urban area, cooking with firewood or charcoal, and living with smokers at home, a possible association with the evaluated respiratory symptoms was found.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se estimó la posible asociación entre la exposición a material particulado medido en dos colegios del municipio de Guachetá (Colombia) y los síntomas respiratorios en los estudiantes entre los 4 y 17 años que permanecen en los colegios. Durante un periodo de 11 días hábiles consecutivos, se midieron las concentraciones de PM10 y PM2.5, empleando una bomba de muestreo personal y un sensor a tiempo real de bajo costo, respectivamente. Se aplicó una encuesta a una muestra de 276 estudiantes, obteniendo datos sobre los síntomas respiratorios. Se estimó una razón de prevalencias (RP), encontrando que el colegio con mayores concentraciones de material particulado presentó una posible asociación con todos los síntomas respiratorios evaluados en las instalaciones del colegio, con una RP de 3.05 (IC95 %:1.62-5.76) para tos, 1.85 (IC95 %:1.06-3.24) para flemas, 5.12 (IC95 %:2.17-12.07) para dificultad para respirar, 3.83 (IC95 %:2.07-7.10) para estornudos y 2.25 (IC95 %:1.12-4.54) para resequedad en las fosas nasales. En conclusión, los estudiantes que se ubican en el colegio más cercano a una coquizadora y vías en mal estado por donde circula tráfico pesado, se asocian posiblemente con la presencia de síntomas respiratorios durante su permanencia en las instalaciones del colegio. El vivir en el casco urbano, cocinar con leña o carbón y convivir con fumadores en el hogar, también presentó una posible asociación con los síntomas respiratorios evaluados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Students]]></kwd>
<kwd lng="en"><![CDATA[coal mining]]></kwd>
<kwd lng="en"><![CDATA[air pollution]]></kwd>
<kwd lng="en"><![CDATA[cross-sectional studies]]></kwd>
<kwd lng="en"><![CDATA[signs and symptoms, respiratory]]></kwd>
<kwd lng="es"><![CDATA[Estudiante]]></kwd>
<kwd lng="es"><![CDATA[industria del carbón]]></kwd>
<kwd lng="es"><![CDATA[contaminación atmosférica]]></kwd>
<kwd lng="es"><![CDATA[estudios transversales]]></kwd>
<kwd lng="es"><![CDATA[signos y síntomas respiratorios]]></kwd>
</kwd-group>
</article-meta>
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