<?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>0036-3634</journal-id>
<journal-title><![CDATA[Salud Pública de México]]></journal-title>
<abbrev-journal-title><![CDATA[Salud pública Méx]]></abbrev-journal-title>
<issn>0036-3634</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0036-36342021000300350</article-id>
<article-id pub-id-type="doi">10.21149/12145</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores asociados con el cambio en la inseguridad alimentaria en México: Ensanut 2012 y 2018-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Related factors to changes in food insecurity in Mexico: Ensanut 2012 and 2018-19]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez-Gómez Humarán]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mundo-Rosas]]></surname>
<given-names><![CDATA[Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Ramírez]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaona-Pineda]]></surname>
<given-names><![CDATA[Elsa B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Evaluación y Encuestas ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigación en Matemáticas  ]]></institution>
<addr-line><![CDATA[ Aguascalientes]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Nutrición y Salud ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2021</year>
</pub-date>
<volume>63</volume>
<numero>3</numero>
<fpage>350</fpage>
<lpage>358</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342021000300350&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342021000300350&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342021000300350&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Evaluar los factores asociados con el cambio en la inseguridad alimentaria (IA) con las Encuestas Nacionales de Salud y Nutrición (Ensanut) 2012 y 2018-19.  Material y métodos:  Se obtuvo información de la Escala Latinoamericana y Caribeña de Seguridad Alimentaria en ambas encuestas. Mediante modelos de regresión logística ordinal se evaluó la contribución de ser beneficiario de programas sociales y otras variables sociodemográficas sobre el nivel de IA entre las dos encuestas.  Resultados:  La IA disminuyó 4.8 puntos porcentuales (p&lt;0.0001). Los beneficiarios de programas presentaron mayor IA que los no beneficiarios (ß=0.258, IC95%: 0.192-0.325). Los hogares con estufa/horno para cocinar y con agua en la vivienda presentaron mayor seguridad alimentaria.  Conclusiones:  La IA persiste en México como problema severo de salud pública en uno de cada cinco hoga- res con mayores carencias. Se requieren acciones integrales del Estado para fortalecer factores estructurales y mejorar el acceso económico de los sectores sociales empobrecidos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  To assess factors related to changes in food insecurity (FI), based on information from the National Health and Nutrition Surveys 2012 and 2018-19.  Materials and methods:  The Latin American and Caribbean Food Security Scale was applied in both surveys. Using ordinal logistic regression models was evaluated the contribution of social programs and other sociodemographic variables on FI level among both surveys.  Results:  FI decreased 4.8 percentage points (p&lt;0.0001), in the period. Beneficiaries of social programs showed higher FI levels than non-beneficiaries (ß=0.258, 95%CI: 0.192-0.325). Households with greater infrastructure (stove or oven and water service) presented greater food security.  Conclusions:  FI persists as a severe public health problem in 1 out of 5 households in Mexico, where deficiencies are greater. State comprehensive actions are required to strengthen structural factors and improve economic access for impoverished social sectors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[seguridad alimentaria]]></kwd>
<kwd lng="es"><![CDATA[encuestas nutricionales]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[food security]]></kwd>
<kwd lng="en"><![CDATA[nutrition surveys]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
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