<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132024000600007</article-id>
<article-id pub-id-type="doi">10.24875/gmm.m24000911</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[¿Por qué las personas no se vacunaron contra COVID-19? Resultados de una encuesta nacional en adultos mexicanos]]></article-title>
<article-title xml:lang="en"><![CDATA[Why didn't people get vaccinated against COVID-19? Results from a nationwide survey among Mexican adults]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wrzecionkowska]]></surname>
<given-names><![CDATA[Dagmara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Stephens]]></surname>
<given-names><![CDATA[Christopher R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[Juan P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Ciencias de la Complejidad Instituto de Ciencias Nucleares ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Población y Salud, Facultad de Medicina Centro de Investigación en Políticas]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>160</volume>
<numero>6</numero>
<fpage>636</fpage>
<lpage>647</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132024000600007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132024000600007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132024000600007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: México es uno de los países con mayor tasa de letalidad por COVID-19.  Objetivo: Explorar las razones para no vacunarse contra COVID-19.  Material y métodos: Encuesta nacional telefónica que abarcó los 32 estados de México para examinar las asociaciones entre la inoculación y otras variables mediante &#967;2 y regresión logística.  Resultados: De 3126 adultos, 68 % reportó la inoculación completa, 21 % solo la primera dosis y 11 % no fue vacunado. En el análisis de regresión logística, el lugar de residencia (otro estado del centro y Estado de México), ser soltero, tener un nivel educativo más bajo, ser más joven, tener un índice de masa corporal más bajo, no realizarse la prueba de COVID-19 y la percepción de que COVID-19 no es real o no es grave, se asociaron significativamente con no vacunarse contra la enfermedad; las razones predominantes fueron barreras externas (como no poder acudir a la cita) en 63 % y motivos internos (como considerar que la vacuna no funciona) en 37 %.  Conclusiones: Las causas de no vacunarse están relacionadas con factores sociales y geográficos. Es necesario abordar las barreras externas para promover la equidad. Al revisar los resultados en el contexto de estudios anteriores, se percibe la brecha entre la intención y vacunarse.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Mexico is one of the countries with the highest case-fatality ratio due to COVID-19.  Objective: Explore the reasons for not getting vaccinated against COVID-19.  Material and methods: A nationwide telephone survey, comprising all 32 states of Mexico, was conducted to examine associations between inoculation against COVID-19 and other characteristics, the chi-square test and logistic regression analysis were applied.  Results: Out of 3 126 adults, 68% reported complete vaccination, 21% the first dose, 11% remained unvaccinated. Using logistic regression models: place of residence -Other central state and State of Mexico-, being single, lower education level, younger age, lower BMI, not getting tested for COVID-19, and the perception of COVID-19 as unreal and not severe, were all significantly associated with non-vaccination, i.e. not receiving any dose of anti-COVID vaccine. The predominant reasons for not getting vaccinated were: 63% &#8220;external barriers&#8221; (e.g., not being able to attend an appointment), and 37% &#8220;internal motives&#8221; (e.g., considering that the vaccine does not work).  Conclusions: The causes of non-vaccination against COVID-19 are related to social and geographical determinants. Addressing external barriers is necessary to promote equity in vaccination. Reviewing the results in the context of earlier studies on the willingness to vaccinate, the gap between intention and vaccination is notable.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Razones para no vacunarse]]></kwd>
<kwd lng="es"><![CDATA[Vacunación]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Reasons for non-vaccination]]></kwd>
<kwd lng="en"><![CDATA[Vaccination]]></kwd>
</kwd-group>
</article-meta>
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