<?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>0874-0283</journal-id>
<journal-title><![CDATA[Revista de Enfermagem Referência]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Enf. Ref.]]></abbrev-journal-title>
<issn>0874-0283</issn>
<publisher>
<publisher-name><![CDATA[Escola Superior de Enfermagem de Coimbra - Unidade de Investigação em Ciências da Saúde - Enfermagem]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0874-02832025000100212</article-id>
<article-id pub-id-type="doi">10.12707/rvi24.114.39217</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Instrumento de Avaliação da Postura Corporal e Dor nas Costas: Validação do Questionário em Pré-Adolescentes Portugueses]]></article-title>
<article-title xml:lang="en"><![CDATA[Back Pain and Body Posture Evaluation Instrument: Validation of the Questionnaire for Portuguese Pre-Adolescents]]></article-title>
<article-title xml:lang="es"><![CDATA[Instrumento de Evaluación del Dolor Corporal Y de Espalda: Validación del Cuestionario en Preadolescentes Portugueses]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[Maria João]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Festas]]></surname>
<given-names><![CDATA[Constança]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreiras]]></surname>
<given-names><![CDATA[Catarina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[Sofia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noll]]></surname>
<given-names><![CDATA[Matias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Católica Portuguesa Faculdade de Ciências da Saúde e Enfermagem ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigação Interdisciplinar em Saúde  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidade Local de Saúde do Alto Minho  ]]></institution>
<addr-line><![CDATA[Viana do Castelo ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Federal Goiano Child and Adolescent Health Research Group ]]></institution>
<addr-line><![CDATA[ Goiás]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<volume>serVI</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0874-02832025000100212&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0874-02832025000100212&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0874-02832025000100212&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Enquadramento:  O conhecimento do perfil dos hábitos posturais e da dor nas costas nos pré-adolescentes é essencial para desenvolver estratégias sistematizadas de intervenção, por equipas de Saúde Escolar.  Objetivo:  Validar psicometricamente o Instrumento de Avaliação da Postura Corporal e Dor nas costas (BackPEI), em pré-adolescentes portugueses.  Metodologia:  Estudo metodológico de adaptação linguística, pré-teste e avaliação das propriedades psicométricas do instrumento, em dois momentos, com desenho de teste/reteste, para testar a sua confiabilidade.  Resultados:  Participaram 115 pré-adolescentes (M = 11,5 anos). As questões 2.5 e 2.3 obtiveram o menor (k = 0,072) e o maior (k = 0,693) nível de concordância, respetivamente. Na questão 2.23 (intensidade da dor) não houve diferença entre as médias do teste (3,54; DP = 1,98) e do reteste (3,54; DP = 1,33; p = 0,959), encontrando-se as respostas bem correlacionadas (CCI = 0,719).  Conclusão:  O BackPEI - Portugal manteve os 21 itens da versão original, mais dois itens sugeridos pelos peritos, revelando-se um questionário confiável para avaliar hábitos posturais e dor nas costas em pré-adolescentes portugueses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Knowledge of pre-adolescents&#8217; postural habits and back pain profiles is essential for school health teams to develop systematized intervention strategies.  Objective:  To perform the psychometric validation of the Back Pain and Body Posture Evaluation Instrument (BackPEI) for Portuguese pre-adolescents.  Methodology:  A methodological study was conducted for the instrument&#8217;s linguistic adaptation, pre-test, and psychometric evaluation. This evaluation took place in two phases, using a test-retest design to assess the instrument&#8217;s reliability.  Results:  A total of 115 pre-adolescents participated in the study (M = 11.5 years). Questions 2.5 and 2.3 obtained the lowest (k = 0.072) and highest (k = 0.693) levels of agreement, respectively. For question 2.23 (pain intensity), no difference was found between the test (M = 3.54; SD = 1.98) and the retest (M = 3.54; SD = 1.33; p = 0.959), with the answers showing a strong correlation (ICC = 0.719).  Conclusion:  The European Portuguese version of the BackPEI retained the original 21 items, with the addition of two items suggested by the experts and proved to be a reliable tool for assessing postural habits and back pain in Portuguese pre-adolescents.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Marco contextual:  El conocimiento del perfil de hábitos posturales y del dolor de espalda en preadolescentes es fundamental para el desarrollo de estrategias de intervención sistemáticas por parte de los equipos de Salud Escolar.  Objetivo:  Validar psicométricamente el Instrumento de Evaluación de Postura Corporal y Dolor de Espalda (BackPEI) en preadolescentes portugueses.  Metodología:  Estudio metodológico de adaptación lingüística, pre-test y evaluación de las propiedades psicométricas del instrumento, en dos momentos de evaluación, utilizando un diseño test/retest, para comprobar su confiabilidad.  Resultados:  Participaron 115 preadolescentes (M = 11,5 años). Las preguntas 2.5 y 2.3 obtuvieron el nivel de acuerdo más bajo (k = 0,072) y más alto (k = 0,693), respectivamente. Los resultados de la pregunta 2.23 (intensidad del dolor) mostraron que no hay diferencia entre las medias del test (3,54; SD = 1,98) y el retest (3,54; SD = 1,33; p = 0,959) y las respuestas están bien correlacionadas (CCI = 0,719).  Conclusión:  El BackPEI - Portugal mantuvo los 21 ítems de la versión original, más dos ítems sugeridos por expertos, siendo un cuestionario confiable para la evaluación de hábitos posturales y dolor de espalda en preadolescentes portugueses.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[dor nas costas]]></kwd>
<kwd lng="pt"><![CDATA[postura]]></kwd>
<kwd lng="pt"><![CDATA[adolescente]]></kwd>
<kwd lng="pt"><![CDATA[questionário]]></kwd>
<kwd lng="pt"><![CDATA[serviços de saúde escolar]]></kwd>
<kwd lng="en"><![CDATA[back pain]]></kwd>
<kwd lng="en"><![CDATA[posture]]></kwd>
<kwd lng="en"><![CDATA[adolescent]]></kwd>
<kwd lng="en"><![CDATA[questionnaire]]></kwd>
<kwd lng="en"><![CDATA[school health services]]></kwd>
<kwd lng="es"><![CDATA[dolor de espalda]]></kwd>
<kwd lng="es"><![CDATA[postura]]></kwd>
<kwd lng="es"><![CDATA[adolescente]]></kwd>
<kwd lng="es"><![CDATA[cuestionario]]></kwd>
<kwd lng="es"><![CDATA[servicios de salud escolar]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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