<?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>S0036-36342020000100105</article-id>
<article-id pub-id-type="doi">10.21149/10418</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cambios en el calendario de uso de condón masculino en la primera y última relación sexual en distintas cohortes de mujeres]]></article-title>
<article-title xml:lang="en"><![CDATA[Changes in male condom use at first and last sexual intercourse in different birth cohorts]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hubert]]></surname>
<given-names><![CDATA[Celia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos]]></surname>
<given-names><![CDATA[Aremis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-López]]></surname>
<given-names><![CDATA[Leticia]]></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 Salud Poblacional Dirección de Salud Reproductiva]]></institution>
<addr-line><![CDATA[ Cuernavaca]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<volume>62</volume>
<numero>1</numero>
<fpage>105</fpage>
<lpage>113</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342020000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342020000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342020000100105&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Caracterizar el uso de condón en la primera y última relación sexual en diferentes cohortes para observar posibles diferencias entre grupos generacionales.  Material y métodos:  Mediante la Encuesta Nacional de Niños, Niñas y Mujeres 2015, representativa a nivel nacional, se ajustaron modelos de regresión Poisson para buscar asociación de variables de interés con el uso del condón en la primera y última relación sexual.  Resultados:  Las cohortes más jóvenes, con mayor educación y riqueza tienen mayores posibilidades de usar condón en su primera y última relación sexual; hablar lengua indígena se asocia con menores posibilidades de uso en ambos eventos. El uso de condón en el debut sexual incrementa la posibilidad de uso en la última relación sexual.  Conclusiones: Existe un cambio generacional en el uso del condón en la primera y última relación sexual entre las más jóvenes. La utilización del condón en el debut sexual favorece su uso posterior.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  Characterize the use of condoms in the first and last sexual intercourse in different birth cohorts, to observe possible differences among generations.  Materials and methods:  Using the National Survey of Boys, Girls and Women, 2015, representative at the national level, we adjust Poisson regression models to find associations between variables of interest and the use of condoms in first and last intercourse.  Results:  Women from younger cohorts, with higher education and wealth are more likely to use a condom in their first and last sexual intercourse; speaking an indigenous language is associated with a lower likelihood of condom use at both events. Using condom in sexual debut increases the likelihood of using in last intercourse.  Conclusions:  There is a generational change in condom use at first and last sex among younger cohorts. The use of the condom in sexual debut favors its later use.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adolescentes]]></kwd>
<kwd lng="es"><![CDATA[anticoncepción]]></kwd>
<kwd lng="es"><![CDATA[salud sexual]]></kwd>
<kwd lng="es"><![CDATA[salud reproductiva]]></kwd>
<kwd lng="es"><![CDATA[relaciones sexuales]]></kwd>
<kwd lng="en"><![CDATA[adolescents]]></kwd>
<kwd lng="en"><![CDATA[contraception]]></kwd>
<kwd lng="en"><![CDATA[sexual health]]></kwd>
<kwd lng="en"><![CDATA[reproductive health]]></kwd>
<kwd lng="en"><![CDATA[sexual intercourse]]></kwd>
</kwd-group>
</article-meta>
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