<?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>S0036-36342018000500012</article-id>
<article-id pub-id-type="doi">10.21149/9051</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Escala Basada en la Experiencia de Inseguridad Alimentaria (FIES) en Colombia, Guatemala y México]]></article-title>
<article-title xml:lang="en"><![CDATA[Food Insecurity Experience Scale (FIES) in Colombia, Guatemala, and México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garzón-Orjuela]]></surname>
<given-names><![CDATA[Nathaly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melgar-Quiñónez]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eslava-Schmalbach]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Medicina Hospital Universitario Nacional de Colombia]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,McGill University School of Dietetics and Human Nutrition Institute for Global Food Security]]></institution>
<addr-line><![CDATA[Montreal ]]></addr-line>
<country>Canada</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2018</year>
</pub-date>
<volume>60</volume>
<numero>5</numero>
<fpage>510</fpage>
<lpage>519</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342018000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342018000500012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342018000500012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Comparar las características psicométricas de la Escala de Experiencia de Inseguridad Alimentaria (FIES, en inglés Food Insecurity Experience Scale) y el grado de similitud o diferencias entre Colombia, Guatemala y México durante tres años.  Material y métodos:  Estudio de comparación psicométrica a través del modelo Rasch, calculando la severidad relativa, el ajuste próximo (INFIT) y funcionamiento diferencial (c-DIF) para cada ítem de la FIES.  Resultados:  La mayoría de los ítems mostraron una severidad relativa correspondiente al constructo teórico y un ajuste aceptable al modelo (INFIT=0.7-1.3). No se observaron valores de c-DIF en la comparación hombres vs mujeres por encima de 1.0 logit; y en la comparación entre países por año, 87% de los ítems estuvieron por debajo del valor de 0.5 logit.  Conclusiones:  La FIES presenta las características psicométricas correspondientes al constructo teórico de la herramienta. Futuros estudios, incluyendo más países y más puntos temporales, son esenciales para evaluar la severidad relativa, comportamiento y distribución de los ítems.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To compare the psychometric characteristics of the Food Insecurity Experience Scale (FIES) and the grade of similitude or difference among Colombia, Guatemala, and Mexico during three years.  Materials and methods:  Psychometric comparison using the Rasch model to calculate the relative severity of each item in FIES, INFIT and contrast in the Differential Functioning of Items (c-DIF).  Results:  The majority of items showed a relative severity corresponding to the theoretical construct and acceptably fit the model (INFIT=0.7-1.3). No c-DIF above 1.0 logit was observed in the comparison men vs women. In the comparison among countries by year 87% of the items showed c-DIF below 0.5 logit.  Conclusion:  The FIES presents psychometric characteristics corresponding to the theoretical construct of the tool. Future studies with the inclusion of more countries and more time points are essential to evaluate the relative severity, behavior and distribution of items.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[seguridad alimentaria y nutricional]]></kwd>
<kwd lng="es"><![CDATA[América Latina]]></kwd>
<kwd lng="es"><![CDATA[escalas]]></kwd>
<kwd lng="es"><![CDATA[psicometría]]></kwd>
<kwd lng="es"><![CDATA[modelo rasch]]></kwd>
<kwd lng="en"><![CDATA[food and nutrition security]]></kwd>
<kwd lng="en"><![CDATA[Latin America]]></kwd>
<kwd lng="en"><![CDATA[scales]]></kwd>
<kwd lng="en"><![CDATA[psychometrics]]></kwd>
<kwd lng="en"><![CDATA[rasch model]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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