<?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>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112023000100004</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v71n1.95638.</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Internal consistency and criterion, convergent, and discriminant validity of the Start Back Screening Tool in a Colombian sample]]></article-title>
<article-title xml:lang="es"><![CDATA[Consistencia interna y validez convergente, discriminante y de criterio del Start Back Screening Tool en una muestra colombiana]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfonso-Mora]]></surname>
<given-names><![CDATA[Margareth Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Riveros-Munéva]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellanos-Garrido]]></surname>
<given-names><![CDATA[Adriana Lucía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rengifo-Varona]]></surname>
<given-names><![CDATA[María Leonor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corredor-Nieto]]></surname>
<given-names><![CDATA[Laura Paola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Balic]]></surname>
<given-names><![CDATA[Miriam Elisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Martín]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Sabana Faculty of Nursing and Rehabilitation ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Sabana Faculty of Psychology ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de La Sabana  ]]></institution>
<addr-line><![CDATA[Chía ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fundación Universitaria de Ciencias de la Salud Faculty of Movement Sciences ]]></institution>
<addr-line><![CDATA[Bogotá D.C]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Ramon Llull Faculty of Psychology ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>71</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112023000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112023000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Low back pain (LBP) is a frequent reason for consultation, and one of the main causes of permanent work disability. Stratifying the risk of disability due to LBP allows the development of specific therapeutic interventions; however, such stratification requires valid and reliable instruments.  Objective: To determine the internal consistency, as well as the convergent, discriminant, and criterion validity of the Start Back Screening Tool (SBST) questionnaire in a Colombian sample.  Materials and methods: Quantitative scale validation study conducted in 68 adult patients with LBP who underwent a physical therapy intervention (10 sessions) between 2019 and 2020 in a clinic located in Chía, Colombia. Participants completed the SBST, the Numerical Pain Rating Scale (NPRS), and the Roland-Morris Disability Questionnaire (RMDQ) at three times: pre-intervention, post-intervention, and after 6 weeks of follow-up (without treatment). The internal consistency of the SBST was determined using Cronbach's alpha, omega, lambda-6, and greatest lower bound (GLB) coefficients. Regarding criterion and construct validity, correlations between the SBST and the NPRS and the RMDQ were assessed using the Pearson's correlation coefficient. Finally, a repeated measures ANOVA was performed between the SBST mean scores obtained at the three moments in order to estimate its discriminant validity.  Results: The internal consistency of the instrument, according to the different coefficients, ranged from acceptable to high (alpha=0.634; omega=0.648; lambda-6=0.664; GLB=0.780). Positive correlations were found between the SBST mean score (mean=3.824; SD=1.892) and the NPRS (r=0.257; p=0.035) and RMDQ (r=0.475; p&lt;0.0010) mean scores, as well as significant differences between pre-intervention, post-intervention, and follow-up SBST mean scores (ANOVA: F=33.722; p&lt;0.001).  Conclusion: SBST is a valid and reliable instrument to classify the level of risk of poor prognosis in Colombian patients with LBP.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. El dolor lumbar (DL) es una causa frecuente de consulta y una de las principales causas de incapacidad laboral permanente. La estratificación del riesgo de discapacidad por DL permite desarrollar intervenciones terapéuticas específicas; sin embargo, dicha estratificación requiere instrumentos válidos y confiables.  Objetivo. Determinar la consistencia interna y la validez convergente, discriminante y de criterio del cuestionario Start Back Screening Tool (SBST) en una muestra colombiana.  Materiales y métodos. Estudio cuantitativo de validación de pruebas realizado en 68 pacientes adultos con DL que recibieron una intervención fisioterapéutica (10 sesiones) entre 2019 y 2020 en una clínica de Chía, Colombia. Los participantes diligenciaron el SBST, la escala numérica de clasificación del dolor (ENCD) y el cuestionario Roland Morris Disability (RMD) en tres momentos: pre-intervención, post-intervención y luego de 6 semanas de seguimiento (sin tratamiento). La consistencia interna del SBST se determinó mediante los coeficientes alfa de Cronbach, Omega, lambda-6 y greatest lower bound (GLB). En cuanto a la validez de criterio y de constructo, se evaluaron las correlaciones entre el instrumento y la ENCD y el RMD mediante el coeficiente de correlación de Pearson. Finalmente, se realizó un ANOVA de medidas repetidas entre las medias de puntaje del SBST obtenidas en los tres momentos para estimar su validez discriminante.  Resultados. La consistencia interna del instrumento, según los diferentes coeficientes, varió entre aceptable y alta (alfa=0.634; omega=0.648; lambda-6=0.664; GLB=0.780). Se observaron correlaciones positivas entre el puntaje promedio en el SBST y los puntajes promedio en la ENCD (r=0.257; p=0.035) y la RMD (r=0.475; p&lt;0.0010), así como diferencias significativas entre los puntajes promedio del SBST pre-intervención, post-intervención y seguimiento (ANOVA: F=33.722; p&lt;0.001).  Conclusión. El SBST es un instrumento válido y confiable para clasificar el nivel de riesgo de mal pronóstico en pacientes colombianos con DL.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Validity of results]]></kwd>
<kwd lng="en"><![CDATA[Low Back Pain]]></kwd>
<kwd lng="en"><![CDATA[Primary HealthCare]]></kwd>
<kwd lng="en"><![CDATA[Diagnosis (MeSH)]]></kwd>
<kwd lng="es"><![CDATA[Validez de la prueba]]></kwd>
<kwd lng="es"><![CDATA[Dolor de la región lumbar]]></kwd>
<kwd lng="es"><![CDATA[Atención primaria de salud]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico (DeCS)]]></kwd>
</kwd-group>
</article-meta>
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