<?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>3020-1160</journal-id>
<journal-title><![CDATA[Revista de la Asociación Española de Especialistas en Medicina del Trabajo]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Asoc Esp Espec Med Trab]]></abbrev-journal-title>
<issn>3020-1160</issn>
<publisher>
<publisher-name><![CDATA[Asociación Española de Especialistas en Medicina del Trabajo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S3020-11602020000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores socio-laborales asociados a la variación del IMC y diámetro de cintura en trabajadores de 15 ciudades peruanas]]></article-title>
<article-title xml:lang="en"><![CDATA[Social-work factors associated with the variation of BMI and waist diameter in workers from 15 Peruvian cities]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía]]></surname>
<given-names><![CDATA[Christian R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Failoc-Rojas]]></surname>
<given-names><![CDATA[Virgilio E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas]]></surname>
<given-names><![CDATA[Matlin M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Alarcón]]></surname>
<given-names><![CDATA[J Franco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Continental  ]]></institution>
<addr-line><![CDATA[Huancayo ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad San Ignacio de Loyola Unidad de Investigación para la Generación y Síntesis de Evidencias en Salud ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Ricardo Palma Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Asociación Médica de Investigación y Servicios en Salud  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>29</volume>
<numero>3</numero>
<fpage>236</fpage>
<lpage>244</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S3020-11602020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S3020-11602020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S3020-11602020000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo: Determinar los factores sociolaborales asociados a la variación del IMC y circunferencia de cintura en trabajadores de 15 ciudades peruanas.  Material y Método: Se realizó un análisis secundario de datos, en donde se asoció el IMC y la circunferencia de cintura al periodo laboral (menor de 1 año, hasta 5 años, hasta 10 años, hasta 20 años y más de 20 años), el sexo, la edad y el tipo de trabajador.  Resultados: Según el análisis multivariado, el IMC estuvo asociado al sexo masculino (valor p&lt;0,001) y con el incremento de edad (valor p&lt;0,001). En cambio, el diámetro de cintura se asoció de forma positiva con tener periodos laborales de hasta 5 años (valor p: 0,015), de hasta 10 años (valor p&lt;0,001) y de hasta 20 años (valor p: 0,003), así como, con el incremento de la edad (valor p &lt;0,001).  Conclusión: Se encontró que el sexo y la edad se relacionaban a la variación del IMC, en cambio, el periodo laboral y la edad estuvieron asociados al diámetro de cintura.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective: To determine the socio-labour factors associated with variation in BMI and waist circumference in workers in 15 Peruvian cities.  Material and Method: A secondary data analysis was performed, in which BMI and waist circumference were associated to the work period (less than 1 year, up to 5 years, up to 10 years, up to 20 years and more than 20 years), sex, age and type of worker.  Results: According to the multivariate analysis, BMI was associated with male sex (p&lt;0.001 value) and with increasing age (p&lt;0.001 value). On the other hand, waist circumference was positively associated with working periods of up to 5 years (p-value: 0.015), up to 10 years (p-value&lt;0.001) and up to 20 years (p-value: 0.003), as well as with increasing age (p-value &lt;0.001).  Conclusion: It was found that sex and age were related to BMI variation, whereas work period and age were associated to waist diameter.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Salud Ocupacional]]></kwd>
<kwd lng="es"><![CDATA[Índice de masa corporal]]></kwd>
<kwd lng="es"><![CDATA[Circunferencia de la cintura]]></kwd>
<kwd lng="en"><![CDATA[Occupational Health]]></kwd>
<kwd lng="en"><![CDATA[Body Mass Index]]></kwd>
<kwd lng="en"><![CDATA[Waist Circumference]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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