<?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>1683-9803</journal-id>
<journal-title><![CDATA[Pediatría (Asunción)]]></journal-title>
<abbrev-journal-title><![CDATA[Pediatr. (Asunción)]]></abbrev-journal-title>
<issn>1683-9803</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1683-98032017000200111</article-id>
<article-id pub-id-type="doi">10.18004/ped.2017.agosto.111-116</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Actividad física y estado nutricional en adolescentes de 9 a 15 años de una institución de enseñanza de San Lorenzo, Paraguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Physical activity and nutritional status in adolescents aged 9 to 15 years in an educational institution in San Lorenzo, Paraguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[Synthia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mesquita]]></surname>
<given-names><![CDATA[Mirta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Pediátrico Niños de Acosta Ñu  ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Ministerio de Salud Pública y Bienestar Social Instituto Nacional de Alimentación y Nutrición ]]></institution>
<addr-line><![CDATA[Asunción ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Químicas ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>44</volume>
<numero>2</numero>
<fpage>111</fpage>
<lpage>116</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032017000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032017000200111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032017000200111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Los factores de riesgo de sobrepeso y obesidad en niños y adolescentes son multifactoriales. La falta de actividad física y las conductas sedentarias se han considerado factores de riesgo importantes.  Objetivo:  Establecer la asociación entre la actividad física, medida por el cuestionario del Instituto de Nutrición y Tecnología de los Alimentos (INTA) de Chile, y el estado nutricional de los adolescentes de 9 a 15 años de edad, de una institución pública de enseñanza.  Materiales y Métodos:  Estudio observacional, descriptivo, de corte transverso, prospectivo, con componente analítico. Se incluyeron adolescentes de 9 a 15 años de edad de una escuela pública de la ciudad de San Lorenzo, Paraguay. Se realizó el estudio entre los días 14 y 16 de setiembre del 2015. Las variables estudiadas fueron: edad, sexo, índice de masa corporal (IMC) y actividad física. Para determinar el estado nutricional se utilizó el software Anthro Plus para el cálculo de puntaje z de la Organización Mundial de la Salud (OMS), la actividad física se determinó utilizando el cuestionario del INTA Chile.  Resultados:  Se incluyeron 465 adolescentes con edad media de11,7 ± 1,8 años. El 57, 2% eran niñas y el 42,8% varones. La población con actividad física fue del 55,9%. En el grupo de escasa actividad física, el porcentaje de sobrepeso y obesidad fue de 46,3 y 23,6% respectivamente, comparado con 3,1% y 0,8 % respectivamente en el grupo de adolescentes con actividad física (p &lt;0,0005).  Conclusiones:  Los adolescentes con escasa actividad física presentaron porcentajes de sobrepeso y obesidad significativamente mayores, comparando con el grupo que realizaba actividad física.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Risk factors for being overweight and obesity in children and adolescents are multifactorial. Lack of physical activity and sedentary behaviors have been considered important risk factors.  Objective:  To establish the association between physical activity, as measured by the questionnaire of the Chilean Institute of Nutrition and Food Technology (INTA), and the nutritional status of adolescents aged 9 to 15 years, in a public educational institution .  Materials and Methods: This was an observational, descriptive, cross-sectional, prospective study with an analytical component. Adolescents aged 9 to 15 years old from a public school in the city of San Lorenzo, Paraguay, were included. The study was conducted between September 14 and 16, 2015. The variables studied were: age, sex, body mass index (BMI) and physical activity. To determine the nutritional status, the Anthro Plus software was used to calculate the Z score of the World Health Organization (WHO). Physical activity was determined using the Chilean INTA questionnaire.  Results: A total of 465 adolescents with a mean age of 11.7 ± 1.8 years were included. 57, 2% were girls and 42.8% were boys. The group with physical activity was 55.9%. In the group of low physical activity, the percentage of overweight and obesity was 46.3 and 23.6% respectively, compared with 3.1% and 0.8%, respectively, in the group of adolescents with physical activity (p &lt;0 , 0005).  Conclusions:  Adolescents with low physical activity had significantly higher rates of being overweight and obesity, compared to the group that performed physical activity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Actividad física]]></kwd>
<kwd lng="es"><![CDATA[adolescentes]]></kwd>
<kwd lng="es"><![CDATA[estado nutricional.]]></kwd>
<kwd lng="en"><![CDATA[Physical activity]]></kwd>
<kwd lng="en"><![CDATA[adolescents]]></kwd>
<kwd lng="en"><![CDATA[nutritional status.]]></kwd>
</kwd-group>
</article-meta>
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