<?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>S0036-36342021000500641</article-id>
<article-id pub-id-type="doi">10.21149/12365</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Profile and patterns of dual use of e-cigarettes and combustible cigarettes among Mexican adults]]></article-title>
<article-title xml:lang="es"><![CDATA[Perfil y patrones de uso dual de cigarrillos electrónicos y cigarrillos combustibles en adultos mexicanos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zavala-Arciniega]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrientos-Gutiérrez]]></surname>
<given-names><![CDATA[Inti]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arillo-Santillán]]></surname>
<given-names><![CDATA[Edna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallegos-Carrillo]]></surname>
<given-names><![CDATA[Katia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Bolaños]]></surname>
<given-names><![CDATA[Rosibel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Thrasher]]></surname>
<given-names><![CDATA[James F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Michigan School of Public Health Department of Epidemiology]]></institution>
<addr-line><![CDATA[Ann Arbor ]]></addr-line>
<country>United States</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud Pública Departamento de Investigación sobre Tabaco ]]></institution>
<addr-line><![CDATA[Cuernavaca ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Unidad de Investigación Epidemiológica y en Servicios de Salud ]]></institution>
<addr-line><![CDATA[Cuernavaca ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,University of South Carolina Arnold School of Public Health Department of Health Promotion, Education &amp; Behavior]]></institution>
<addr-line><![CDATA[Columbia ]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>63</volume>
<numero>5</numero>
<fpage>641</fpage>
<lpage>652</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342021000500641&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342021000500641&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342021000500641&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To describe the profile and patterns of dual uses (n=954) and exclusive cigarette users (n=2 070) and determine the correlates of more frequent e-cigarette use among dual users and their reasons for e-cigarette use.  Materials and methods:  An online survey of Mexican adult smokers. Logistic models regressed dual-use (exclusive smoking vs. dual user) on sociodemographic, smoking variables and substance use behaviors. We conducted censorial binomial models to estimate the correlates of frequency of e-cigarette use among dual users.  Results:  Dual users were younger had higher education (AOR=2.22) and higher levels of smoking dependence (AOR=1.31), preferred cigarettes with flavor capsules (AOR=1.58) and had recently attempted to quit smoking (AOR=1.38). Marijuana use and being daily smokers were correlates of higher frequency of use among dual users.  Conclusion: Dual users had a higher risk profile than exclusive smokers, which was even more prominent in dual-users who used e-cigarettes frequently.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Describir el perfil de los usuarios duales y fumadores exclusivos, así como los factores asociados con la frecuencia de uso de cigarro electrónico.  Material y métodos:  Se realizaron modelos logísticos de una encuesta en línea de fumadores adultos para estimar asociaciones de usuarios duales (fumador exclusivo vs. usuario dual) sobre variables sociodemográficas, tabaquismo y otras sustancias. Adicionalmente, mediante modelos binomiales censurados se evaluaron los factores asociados con la frecuencia de consumo de cigarro electrónico.  Resultados:  Los usuarios duales fueron más jóvenes, con mayor educación (AOR=2.22), tenían mayores niveles de dependencia de tabaquismo (AOR=1.31), preferirían usar cigarros con cápsulas de sabor (AOR=1.58) y tuvieron una mayor proporción de intentos de dejar de fumar (AOR=1.38). El consumo de marihuana y fumar diario se asoció con una mayor frecuencia de consumo de cigarro electrónico.  Conclusión:  El uso dual se asoció con un perfil de riesgo más alto; este perfil es más prominente en usuarios duales que usan cigarros electrónicos con mayor frecuencia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[vaping]]></kwd>
<kwd lng="en"><![CDATA[smoking cessation]]></kwd>
<kwd lng="en"><![CDATA[tobacco]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="en"><![CDATA[LMIC]]></kwd>
<kwd lng="en"><![CDATA[nicotine]]></kwd>
<kwd lng="es"><![CDATA[vapeo]]></kwd>
<kwd lng="es"><![CDATA[cesación]]></kwd>
<kwd lng="es"><![CDATA[tabaco]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="es"><![CDATA[LMIC]]></kwd>
<kwd lng="es"><![CDATA[nicotina]]></kwd>
</kwd-group>
</article-meta>
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