<?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>1659-0201</journal-id>
<journal-title><![CDATA[Población y Salud en Mesoamérica]]></journal-title>
<abbrev-journal-title><![CDATA[PSM]]></abbrev-journal-title>
<issn>1659-0201</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Centro Centroamericano de Población]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-02012022000100081</article-id>
<article-id pub-id-type="doi">10.15517/psm.v0i19.46929</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Trayectorias de fragilidad y factores relacionados en la población de adultos mayores en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Trajectories of frailty and related factors of elderly people in Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas Huerta]]></surname>
<given-names><![CDATA[Abigail Vanessa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>19</volume>
<numero>2</numero>
<fpage>81</fpage>
<lpage>103</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-02012022000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-02012022000100081&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-02012022000100081&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción: la fragilidad es un indicador del estado de salud en la vejez y un síndrome clínico común en adultos mayores; conlleva un elevado riesgo de resultados deficientes de salud que incluyen caídas, incidentes de discapacidad, hospitalización y mortalidad. Este estudio tuvo como objetivo identificar las diferentes trayectorias de la fragilidad y los factores relacionados con esta entre adultos mayores mexicanos a lo largo del tiempo. Metodología: los datos provienen de un panel de cuatro rondas compuesto por adultos mayores mexicanos y desarrollado de 2001 a 2015 por el Estudio Nacional de Salud y Envejecimiento en México (ENASEM). La fragilidad es la acumulación de déficits a partir de un índice de fragilidad. Se aplicó un análisis multinivel, utilizando modelos jerárquicos para conocer los cambios de trayectorias de fragilidad y qué factores se relacionan con ella. Resultados: ser mujer mayor, viuda y tener un bajo nivel educativo fueron factores de riesgo para un índice de fragilidad alto y una menor satisfacción financiera o realizar actividades en el hogar tienen efectos adversos. Conclusiones: se halló una prevalencia de la fragilidad según la proporción de déficits que poseen los individuos y sus primordiales componentes asociados. Se requiere mejorar las condiciones socioeconómicas de salud en fases previas a la vejez con miras a evitar la presencia de fragilidad en el futuro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction: Frailty is an indicator of health status in old age and a common clinical syndrome in older adults that carries an increased risk of poor health outcomes, including falls, incidents of disability, hospitalization, and mortality. This study aimed to identify the different trajectories of frailty and the factors related to frailty among Mexican older adults over time. Methods: Data are from a four-wave panel composed of older Mexican adults from 2001 to 2015 of the Mexican Health and Aging Study (MHAS). Frailty is the accumulation of deficits using a frailty index. A multilevel analysis, using hierarchical models, was applied to know the changes of frailty trajectories and what factors are related to it. Results: Being female, older, being widowhood, and having a lower level of education were risk factors for having a high frailty index and lower financial satisfaction doing activities at home have adverse effects. Conclusion: The findings of this work present information about the prevalence of frailty considering the proportion of deficits that individuals possess and their main associated components in older Mexican adults. It is necessary to improve socioeconomic health conditions in phases before old age to avoid developing frailty in the future.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[índice de fragilidad]]></kwd>
<kwd lng="es"><![CDATA[determinantes sociales de la salud]]></kwd>
<kwd lng="es"><![CDATA[ENASEM]]></kwd>
<kwd lng="es"><![CDATA[curso de vida]]></kwd>
<kwd lng="es"><![CDATA[adultos mayores]]></kwd>
<kwd lng="es"><![CDATA[estudios longitudinales]]></kwd>
<kwd lng="es"><![CDATA[envejecimiento]]></kwd>
<kwd lng="es"><![CDATA[análisis multinivel]]></kwd>
<kwd lng="es"><![CDATA[diferencias por sexo]]></kwd>
<kwd lng="en"><![CDATA[Frailty index]]></kwd>
<kwd lng="en"><![CDATA[Social determinants of health]]></kwd>
<kwd lng="en"><![CDATA[MHAS]]></kwd>
<kwd lng="en"><![CDATA[Life Course]]></kwd>
<kwd lng="en"><![CDATA[Elderly people]]></kwd>
<kwd lng="en"><![CDATA[Longitudinal study]]></kwd>
<kwd lng="en"><![CDATA[Aging]]></kwd>
<kwd lng="en"><![CDATA[Multilevel Analysis]]></kwd>
<kwd lng="en"><![CDATA[Sex differences]]></kwd>
</kwd-group>
</article-meta>
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