<?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>1665-1146</journal-id>
<journal-title><![CDATA[Boletín médico del Hospital Infantil de México]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Med. Hosp. Infant. Mex.]]></abbrev-journal-title>
<issn>1665-1146</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-11462018000200094</article-id>
<article-id pub-id-type="doi">10.24875/bmhim.m18000018</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre el sobrepeso y la obesidad con el rendimiento académico en estudiantes de secundaria de la ciudad de Mérida, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Association between overweight and obesity with school performance in secondary students in Merida, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar-Rendón]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[Nina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Azcorra]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Secretaría de Educación Departamento de Desarrollo Humano ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Servicios de Salud de Yucatán Dirección de Nutrición ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Marista de Mérida  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Politécnico Nacional Departamento de Ecología Humana ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>75</volume>
<numero>2</numero>
<fpage>94</fpage>
<lpage>103</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462018000200094&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462018000200094&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462018000200094&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Diversos estudios señalan una relación negativa entre la obesidad y el rendimiento académico en la población infantil. Sin embargo, este tema ha sido poco estudiado en México. El objetivo de este estudio fue analizar la asociación entre el sobrepeso y la obesidad con el rendimiento académico en estudiantes de secundaria de Mérida.  Métodos:  Se midió el peso y la talla y se calculó el índice de masa corporal (IMC) en una muestra de 566 alumnos de ambos sexos de escuelas secundarias públicas de Mérida. Se clasificó el estado nutricional de los adolescentes en peso normal (-2 - &lt; +1 desviaciones estándar [DE]), sobrepeso (+1 - &lt; 2 DE) y obesidad (&gt; +2 DE) de acuerdo con los valores de referencia de la Organización Mundial de la Salud (OMS). Se utilizó el promedio de calificaciones obtenidas en las asignaturas de lenguaje, matemáticas y ciencias como un indicador del rendimiento académico. Se consideró desempeño mayor cuando el promedio fue &gt; 8 puntos y menor cuando fue &lt; 8 puntos. El análisis de asociación entre las variables se realizó mediante modelos de regresión logística.  Resultados:  La prevalencia conjunta de sobrepeso y obesidad fue del 44%. Al ajustar para el grado escolar, el tipo de escuela, el número de ausencias y la procedencia maya del apellido, las adolescentes con obesidad tuvieron un riesgo significativo de tener desempeño menor en matemáticas (razón de momios [RM]: 3.07; IC 95%: 1.39-6.80) y lenguaje (RM: 2.55; IC 95%: 1.14-5.71) al compararlas con aquellas con peso saludable.  Conclusiones:  Los resultados sugieren que la obesidad es un factor de riesgo para tener un menor rendimiento académico en las adolescentes de entre 12 y 15 años, pero no entre los adolescentes de la misma edad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Some studies have found a negative relationship between obesity and school performance in scholars. However, this topic has not been studied in depth in Mexico. The aim of this study was to analyze the association between overweight and obesity with school performance in secondary school students from Merida.  Methods:  Weight and height were measured, and body mass index was calculated in a sample of 566 secondary students in Merida. Nutritional status was classified in normal weight (&#8722;2-&lt;+1 standard deviation [SD]), overweight (+1-&lt;2 SD) and obesity (&gt; + 2 SD) according to the World Health Organization criteria. The scores in language, mathematics and sciences were used as indicators of school performance. Good performance was considered when the scores were &#8805;8 points, and poor performance when scores were &lt;8 points. Logistic regression models were used to analyse the association between the variables.  Results:  The 44% of the sample met the criteria for overweight and obesity. After adjusting for school grade, type of school, number of absences, and Mayan surnames, we found that girls classified as obese had a significant risk of a poor performance in mathematics (odds ratio [OR]: 3.07; 95% confidence interval [CI]: 1.39-6.80) and language (OR: 2.55; 95% CI: 1.14-5.71) compared with those with healthy weight.  Conclusions:  Our results suggest that obesity represents a risk of having a lower school performance in girls but not in boys.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Rendimiento académico]]></kwd>
<kwd lng="es"><![CDATA[IMC]]></kwd>
<kwd lng="es"><![CDATA[Obesidad]]></kwd>
<kwd lng="es"><![CDATA[Adolescentes]]></kwd>
<kwd lng="en"><![CDATA[School performance]]></kwd>
<kwd lng="en"><![CDATA[Body mass index]]></kwd>
<kwd lng="en"><![CDATA[Obesity]]></kwd>
<kwd lng="en"><![CDATA[Adolescents]]></kwd>
</kwd-group>
</article-meta>
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