<?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>S0036-36342022000100057</article-id>
<article-id pub-id-type="doi">10.21149/12889</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Validity and reliability of the International Physical Activity Questionnaire (IPAQ) long-form in a subsample of female Mexican teachers]]></article-title>
<article-title xml:lang="es"><![CDATA[Validez y confiabilidad el Cuestionario Internacional de Actividad Física versión larga en una submuestra de maestras mexicanas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monge]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Denova-Gutiérrez]]></surname>
<given-names><![CDATA[Edgar]]></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"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barquera]]></surname>
<given-names><![CDATA[Simón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romieu]]></surname>
<given-names><![CDATA[Isabelle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lajous]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Nutrición y Salud ]]></institution>
<addr-line><![CDATA[ Mexico City]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<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="Af3">
<institution><![CDATA[,Secretaría de Salud Centro Nacional de Programas Preventivos y Control de Enfermedades ]]></institution>
<addr-line><![CDATA[ Mexico City]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,International Agency for Research on Cancer Section of Nutrition and Metabolism ]]></institution>
<addr-line><![CDATA[ Lyon]]></addr-line>
<country>France</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Harvard University T.H. Chan School of Public Health Department of Global Health and Population ]]></institution>
<addr-line><![CDATA[ Boston]]></addr-line>
<country>United States</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>57</fpage>
<lpage>65</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342022000100057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342022000100057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342022000100057&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective: To evaluate the test-retest reliability and validity of the long-form International Physical Activity Questionnaire (IPAQ-long form).  Materials and methods: A subsample of 86 teachers underwent telephone interviews and clinic visits in Mexico City. Through 22 months, physical activity (PA) levels were obtained from accelerometers (months 6 and 22) and IPAQ long-form (months 1, 3, 6, 9 and 12). Minutes per week of moderate (MPA), walking (WPA), vigorous (VPA) and moderate-to-vigorous physical activity (MVPA) were calculated for each intensity and domain. Variables were logarithmically transformed. Intra-class and Pearson correlations were used to determine the relationship between instruments.  Results: Test-retest reliability of the average IPAQs long-form varied across intensities and domains (ranged from r= 0.24 to r= 0.65). Minutes per week of VPA and MVPA accelerometer 1 (AC1) were fairly associated to International Physical Activity Questionnaire-long form 3 (IPAQ3) (r= 0.60 and r= 0.31, respectively) one week apart.  Conclusions: IPAQ long-form is fairly reliable for MVPA and valid for assessing MVPA and VPA in a subsample of Mexican teachers.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo: Evaluar la confiabilidad y validez del Cuestionario Internacional de Actividad Física versión larga (por sus siglas en inglés IPAQ-long form).  Material y métodos:  Un total de 86 maestras realizaron entrevistas y visitas a clínicas en la Ciudad de México. En un periodo de 22 meses, se obtuvieron los niveles de actividad física (AF) por medio de un acelerómetro (AC) (meses 6 y 22) y autorreporte de actividad física por medio del IPAQ versión larga (meses 1, 3, 6, 9 y 12). Se estimaron los minutos por semana de actividad física moderada (AFM), caminando (AFC), vigorosa (AFV) y actividad física moderada-vigorosa (AFMV) para cada intensidad y dominio. Las variables se transformaron logarítmicamente. Se utilizaron correlaciones de intraclase y de Pearson para determinar la relación de los minutos por semana de AFM, AFC, AFMV entre instrumentos.  Resultados: La confiabilidad entre el promedio de los IPAQs varió entre intensidades y dominios (de r = 0.24 a r = 0.65). Los minutos por semana de AFV y AFMV del acelerómetro 1 (AC1) se asociaron con los del Cuestionario Internacional de Actividad Física 3 (IPAQ3) (r = 0.60 y r = 0.31, respectivamente) reportado una semana después.  Conclusiones: La versión larga del IPAQ es confiable para estimar AFMV y válido para evaluar AFMV y AFV en una submuestra de maestras mexicanas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[validity]]></kwd>
<kwd lng="en"><![CDATA[women]]></kwd>
<kwd lng="en"><![CDATA[measurement]]></kwd>
<kwd lng="en"><![CDATA[questionnaire]]></kwd>
<kwd lng="en"><![CDATA[accelerometer]]></kwd>
<kwd lng="es"><![CDATA[validez]]></kwd>
<kwd lng="es"><![CDATA[mujeres]]></kwd>
<kwd lng="es"><![CDATA[mediciones]]></kwd>
<kwd lng="es"><![CDATA[cuestionario]]></kwd>
<kwd lng="es"><![CDATA[acelerómetro]]></kwd>
</kwd-group>
</article-meta>
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