<?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>1135-5727</journal-id>
<journal-title><![CDATA[Revista Española de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Esp. Salud Publica]]></abbrev-journal-title>
<issn>1135-5727</issn>
<publisher>
<publisher-name><![CDATA[Ministerio de Sanidad]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1135-57272019000100121</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Validación de un cuestionario sobre actitudes y práctica de actividad física y otros hábitos saludables mediante el método Delphi]]></article-title>
<article-title xml:lang="en"><![CDATA[Validation of a questionnaire on attitudes and practice of physical activity and other healthy habits through the Delphi method]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrés García]]></surname>
<given-names><![CDATA[Irene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Moreno]]></surname>
<given-names><![CDATA[Mª Fe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz López del Prado]]></surname>
<given-names><![CDATA[Gema]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gil Sáez]]></surname>
<given-names><![CDATA[Blanca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrés Puertas]]></surname>
<given-names><![CDATA[Melchor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almaraz Gómez]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Universitario de Valladolid Servicio de Medicina Preventiva y Salud Pública ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Clínico Universitario de Valladolid. Valladolid Unidad de Apoyo a la Investigación ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Valladolid Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Regional de Medicina Deportiva de Castilla y León  ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>93</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1135-57272019000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1135-57272019000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1135-57272019000100121&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamentos: La inactividad física y el sedentarismo son un problema de salud pública emergente, tanto a nivel individual como familiar y social. El objetivo de este estudio fue validar un nuevo cuestionario para conocer la actitud ante la actividad física y otros hábitos de los adolescentes.  Sujetos y métodos: Se utilizó el método Delphi. Se llevó a cabo una fase inicial de selección del panel de expertos, una fase exploratoria en dos rondas de votación mediante escala tipo Likert (de 1 a 5), y un análisis estadístico y cualitativo de las aportaciones de los expertos. Los criterios para la elección de ítems fueron un promedio mayor a 3,5 y V de Aiken mayor o igual a 0,7. La fiabilidad se valoró con el coeficiente alfa de Cronbach. Se realizó una prueba piloto para valorar la comprensión del instrumento.  Resultados: Aceptaron participar 21 expertos. Su participación fue del 100% en la primera ronda y del 95,2% en la segunda. Siete ítems incumplieron los criterios. El cuestionario final contó con 93 preguntas y 11 dimensiones: datos sobre el alumno, el padre, la madre, la actividad física en el centro educativo, en el transporte y en el tiempo libre, sobre los aspectos psicosociales de la práctica de actividad física, la actitud ante la actividad física, la alimentación y otros hábitos, y sobre la percepción de salud. Se obtuvo un alfa de Cronbach de 0,974.  Conclusiones: Los resultados avalan la fiabilidad y validez del cuestionario. El método Delphi resultó ser una técnica útil para el objetivo propuesto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Background: Physical inactivity and sedentary lifestyle are an emerging individual, familiar and social public health problem. The aim of this work was to validate a new questionnaire to know the attitude towards physical activity and other habits in adolescents.  Methods: The Delphi method was used. It was developed in three phases: an initial phase of selection of the panel of experts, an exploratory phase in two rounds of voting using a Likert scale of 1 to 5, and statistical and qualitative analysis of the experts&#8217; contributions. The criteria for the choice of items were: average &gt; 3.5 and factor V of Aiken &#8805; 0.7. Reliability was assessed with the Cronbach alpha coefficient. A pilot test was carried out to assess the understanding of the instrument.  Results: 21 experts agreed to participate. Their participation was 100% in the first round and 95.2% in the second one. Seven items did not meet the criteria. The final questionnaire included 93 questions and 11 dimensions: data of the student, father, mother, physical activity in the educational center, transportation, free time, psychosocial aspects of physical activity, attitude towards physical activity, food, other habits and health perception. A Cronbach&#8217;s alpha of 0.974 was obtained.  Conclusions: The results support the reliability and validity of the questionnaire. The Delphi method proved to be a useful technique for the proposed objective.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Método Delphi]]></kwd>
<kwd lng="es"><![CDATA[Estudios de validación]]></kwd>
<kwd lng="es"><![CDATA[Cuestionario]]></kwd>
<kwd lng="es"><![CDATA[Ejercicio]]></kwd>
<kwd lng="es"><![CDATA[Estilo de vida saludable]]></kwd>
<kwd lng="es"><![CDATA[Conducta alimentaria]]></kwd>
<kwd lng="es"><![CDATA[Adolescentes]]></kwd>
<kwd lng="en"><![CDATA[Delphi method]]></kwd>
<kwd lng="en"><![CDATA[Validation studies]]></kwd>
<kwd lng="en"><![CDATA[Questionnaire]]></kwd>
<kwd lng="en"><![CDATA[Exercise]]></kwd>
<kwd lng="en"><![CDATA[Healthy lifestyle]]></kwd>
<kwd lng="en"><![CDATA[Feeding behavior]]></kwd>
<kwd lng="en"><![CDATA[Adolescents]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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