<?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>S0016-38132022000100017</article-id>
<article-id pub-id-type="doi">10.24875/gmm.21000336</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Atribución de síntomas en pacientes con síntomas médicamente inexplicables. Un estudio de validación y desarrollo de la escala]]></article-title>
<article-title xml:lang="en"><![CDATA[Symptom attribution in patients with medically unexplained symptoms. A scale development and validation study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Aranda]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Ramírez]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Frías-Gómez]]></surname>
<given-names><![CDATA[Verónica L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Meza]]></surname>
<given-names><![CDATA[Marco V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Guzmán]]></surname>
<given-names><![CDATA[Oralia del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Mata]]></surname>
<given-names><![CDATA[Cinthia D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Medicina Departamento de Medicina Familiar]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Unidad de Medicina Familiar 5 ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Economía ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Hospital Universitario &#8220;Dr. José Eleuterio González&#8221; Servicio de Psiquiatría]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</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>158</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>23</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132022000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132022000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132022000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: En la atención de pacientes con síntomas físicos médicamente no explicables (SFMNE) es importante lo que el paciente piensa de sus síntomas.  Objetivo: Validar propiedades psicométricas de una escala de atribución del síntoma en pacientes con SFMNE y verificar su confiabilidad.  Métodos: Se entrevistó a una muestra no probabilística de 400 pacientes adultos, hombres y mujeres, en la consulta de un hospital con medicina familiar, 200 con SFMNE y 200 con patología orgánica concreta. Se diagnosticó a cada grupo con criterios definidos y se aplicó una escala con validez de contenido y de constructo por medio de análisis de componentes principales con rotación varimax.  Resultados: La escala quedó integrada por 12 reactivos con dos factores, uno de atribución psicosocial y otro de atribución orgánica del síntoma. El factor de origen psicosocial tuvo una varianza de 49.7 %. La prueba de bondad de ajuste mostró que la matriz de correlaciones fue adecuada y la prueba de esfericidad de Bartlett indicó significación estadística (p &lt; 0.0001); el alfa de Cronbach fue de 0.841.  Conclusión.: La escala mostró una validez de constructo aceptable y buena confiabilidad y estabilidad. Se discuten las implicaciones de estos resultados para la investigación de mediciones futuras.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: In the care of patients with medically unexplained physical symptoms (MUPS) it is important what they think about their symptoms.  Objective: To validate the psychometric properties of a symptom attribution scale in patients with MUPS and to verify its reliability.  Methods: A non-probabilistic sample of 400 male and female adult patients were interviewed in the outpatient services of a family medicine hospital, 200 with MUPS and 200 with a defined organic pathology. Each group was diagnosed with defined criteria, and a scale with content and construct validity was applied by means of principal component analysis with varimax rotation.  Results: The scale was made up of 12 items with two factors, one of symptom psychosocial attribution and others with organic attribution. The psychosocial-origin factor showed a variance of 49.7%. The goodness-of-fit test demostrated that the correlation matrix was adequate, and Bartlett&#8217;s sphericity test indicated statistical significance (p &lt; 0.0001); Cronbach&#8217;s alpha was 0.841.  Conclusion: The scale showed acceptable construct validity and good reliability and stability. The implications of these results for future measurement research are discussed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síntomas médicamente inexplicables]]></kwd>
<kwd lng="es"><![CDATA[Estilo de atribución]]></kwd>
<kwd lng="es"><![CDATA[Psicosocial]]></kwd>
<kwd lng="es"><![CDATA[Escala]]></kwd>
<kwd lng="en"><![CDATA[Medically unexplained symptoms]]></kwd>
<kwd lng="en"><![CDATA[Attribution style]]></kwd>
<kwd lng="en"><![CDATA[Psychosocial]]></kwd>
<kwd lng="en"><![CDATA[Scale]]></kwd>
</kwd-group>
</article-meta>
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