<?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>S0036-36342022000100049</article-id>
<article-id pub-id-type="doi">10.21149/12499</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Perceived Stress Scale, a tool to explorepsychological stress in Mexican women]]></article-title>
<article-title xml:lang="es"><![CDATA[Escala de Estrés Percibido, un instrumento para explorar estrés psicológico en mujeres mexicanas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Torres]]></surname>
<given-names><![CDATA[Mario H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tran]]></surname>
<given-names><![CDATA[Alvin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Familiar]]></surname>
<given-names><![CDATA[Itziar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Ridaura]]></surname>
<given-names><![CDATA[Ruy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Panozo]]></surname>
<given-names><![CDATA[Eduardo]]></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 ]]></institution>
<addr-line><![CDATA[ Mexico City]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Harvard T.H. Chan School of Public Health Department of Nutrition ]]></institution>
<addr-line><![CDATA[ Boston]]></addr-line>
<country>United States</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Harvard T.H. Chan School of Public Health Department of Social and Behavioral Sciences ]]></institution>
<addr-line><![CDATA[ Boston]]></addr-line>
<country>United States</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Michigan State University Department of Psychiatry ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro Nacional de Programas Preventivos y Control de Enfermedades  ]]></institution>
<addr-line><![CDATA[ Mexico City]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>64</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342022000100049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342022000100049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342022000100049&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective: To examine the factor structure of the 4- and 10-item Perceived Stress Scale (PSS) among 1 310 Mexican women participating in a prospective cancer cohort study. Materials and methods: We performed exploratory and confirmatory factor analyses in two sub-samples of the Mexican Teachers&#8217; Cohort. We evaluated internal consistency, estimated the correlation between PSS-4 and PSS-10, and assessed their correlation with a depressive symptoms scale.  Results: Two-factor models were the solutions with the best fit to the data for both PSS-4 and -10, exhibiting strong factor loadings (0.39 to 0.75) and high internal consistency (Cronbach&#8217;s alpha 0.72 and 0.83). The correlation between PSS-4 and PSS-10 was r=0.91 and the correlations of these two scales with a depressive symptoms scale were r=0.41 and r=0.46, respectively.  Conclusions: PSS might be an adequate scale to assess perceived stress in this prospective cancer cohort study. PSS-4 may be advantageous due to its simplicity, low cost, and short application time in multicountry studies on stress and cancer.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo: Evaluar la estructura factorial de la Escala de Estrés Percibido (PSS, por sus siglas en inglés) de 4 y 10 ítems en 1 310 mujeres mexicanas que participan en un estudio de cohorte sobre cáncer.  Material y métodos: Se realizó análisis factorial exploratorio y confirmatorio en dos submuestras distintas del estudio ESMaestras. También se evaluó la consistencia interna, la correlación entre la PSS-4 y la PSS-10, y la correlación de estas escalas con una escala de síntomas depresivos.  Resultados: El modelo de dos factores fue la solución con los mejores índices para ambas escalas, exhibiendo cargas factoriales fuertes (0.39-0.75), y alta consistencia interna (alfa de Cronbach=0.72 y 0.83). La correlación entre la PSS-4 y la PSS-10 fue r=0.91 y la correlación de estas escalas con la escala de síntomas depresivos fue r=0.41 y 0.46.  Conclusiones:  La PSS es una escala adecuada para evaluar el estrés percibido en este estudio de cohorte sobre cáncer. La PSS-4 puede ser ventajosa por su simplicidad, bajo costo y corto tiempo de aplicación en estudios multipaís sobre estrés y cáncer.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[perceived stress]]></kwd>
<kwd lng="en"><![CDATA[cancer]]></kwd>
<kwd lng="en"><![CDATA[women]]></kwd>
<kwd lng="en"><![CDATA[factor analysis]]></kwd>
<kwd lng="es"><![CDATA[estrés percibido]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="es"><![CDATA[mujeres]]></kwd>
<kwd lng="es"><![CDATA[análisis factorial]]></kwd>
</kwd-group>
</article-meta>
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