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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Evaluar la fiabilidad de una encuesta sobre tabaquismo en estudiantes de medicina en cuanto a la reproducibilidad de los resultados</p> <span class="elsevierStyleSectionTitle">M&#233;todo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se dise&#241;&#243; una encuesta con 30 variables que med&#237;an tres dimensiones &#40;prevalencia&#44; conocimientos y actitudes hacia el tabaquismo&#41; y se asign&#243; una clave individual a cada cuestionario&#46; Se encuest&#243; a los alumnos de primero de medicina de Zaragoza en el curso 1997&#8211;1998&#46; Para valorar la fiabilidad de la encuesta se aplic&#243; un m&#233;todo test-retest&#44; que consiste en realizar el mismo cuestionario a los mismos sujetos al cabo de un tiempo&#46; Para medir el grado de concordancia test-retest se ha calculado el coeficiente kappa</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; la encuesta inicial &#40;test&#41; a los alumnos de primero de medicina en el momento de la matr&#237;cula &#40;181 encuestados&#41; y a las 7 semanas se volvi&#243; a pasar el mismo cuestionario en el aula &#40;retest&#41; consiguiendo 43 cuestionarios&#46; Las encuestas se emparejaron seg&#250;n la clave&#44; consiguiendo emparejar 35 de los casos&#46; La mayor&#237;a de las variables que se refieren a las caracter&#237;sticas del tabaquismo&#44; tales como prevalencia&#44; cantidad de consumo&#44; consonancia-disonancia&#44; entre otras&#44; presentan un grado de fiabilidad bueno&#46; Las variables que miden el grado de conocimientos se valoran en su mayor&#237;a con un grado de fiabilidad aceptable&#44; si bien hay tres en que &#233;sta es baja&#46; Respecto a las variables que eval&#250;an las actitudes&#44; la mitad aproximadamente presenta un grado de fiabilidad aceptable y la otra mitad&#44; una fiabilidad baja</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">La encuesta evaluada tiene&#44; en general&#44; un grado de fiabilidad bueno&#59; esto se refiere a la reproducibilidad de los resultados&#44; es decir&#44; a la probabilidad de que un individuo responda de igual forma a la pregunta planteada en dos momentos distintos&#46; No obstante&#44; algunas de las variables que miden actitudes hacia el tabaquismo presentan un menor grado de fiabilidad y esta situaci&#243;n obliga a interpretar con prudencia los resultados obtenidos con dichas variables</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">To evaluate the reliability and reproducibility of results obtained from a questionnaire on the smoking habits of medical students</p> <span class="elsevierStyleSectionTitle">Method</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">A questionnaire with 30 variables was designed to measure three main parameters&#58; prevalence&#44; knowledge and attitudes toward smoking&#46; First-year medical students at the University of Zaragoza &#40;1997&#8211;98 academic year&#41; were asked to fill in the questionnaire&#44; and a code was assigned to each individual respondent&#46; A test-retest method was then used to assess reliability&#58; the same questionnaire was answered by the subjects after a period of time had elapsed&#46; The Kappa coefficient was calculated to measure agreement</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">The questionnaire was filled in by 181 students at registration and 7 weeks later by 43 students&#46; The first- and second-time questionnaires for 35 individuals were matched by codes&#46; Reliability was good for most variables related to the main characteristics of smoking &#40;such as prevalence&#44; number of cigarettes smoked daily and consonance-dissonance&#41;&#46; Reliability was acceptable for most variables related to knowledge but was low for 3 items&#46; Reliability was acceptable for half the items related to attitudes and low for half</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The questionnaire has a generally good level of reliability&#44; with regard to reproducibility&#44; or the likelihood that an individual will respond to an item in the same way at two different times&#46; Some variables that measure attitudes toward smoking&#44; however&#44; are less reliable&#46; Results obtained for those items should therefore be interpreted cautiously</p>"
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Estudio de fiabilidad de una encuesta utilizada para valorar la prevalencia, los conocimientos y las actitudes sobre el tabaquismo en estudiantes de medicina
Reliability of a questionnaire on smoking to evaluate prevalence, knowledge and attitudes of medical students
D. Guilléna, I. Nerínb,
Corresponding author
isabelne@posta.unizar.es

Correspondencia: Departamento de Medicina y Psiquiatría. Facultad de Medicina, edificio B.Domingo Miral, s/n. 50009 Zaragoza. España
, A. Masa, A. Crucelaeguia
a Unidad de Tabaquismo FMZ. Universidad de Zaragoza
b Departamento de Medicina y Psiquiatría. Unidad de Tabaquismo FMZ.Universidad de Zaragoza. Zaragoza. España
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            "entidad" => "Departamento de Medicina y Psiquiatr&#237;a&#46; Unidad de Tabaquismo FMZ&#46;Universidad de Zaragoza&#46; Zaragoza&#46; Espa&#241;a"
            "etiqueta" => "<span class="elsevierStyleSup">b</span>"
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      "en" => array:1 [
        "titulo" => "Reliability of a questionnaire on smoking to evaluate prevalence&#44; knowledge and attitudes of medical students"
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    "miscelanea" => "Trabajo financiado por la Beca SEPAR-98"
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            0 => "Tabaquismo"
            1 => "Encuesta"
            2 => "Fiabilidad"
            3 => "Estudiantes de medicina"
            4 => "Educaci&#243;n m&#233;dica"
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          "clase" => "keyword"
          "titulo" => "Keywords"
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            0 => "Smoking"
            1 => "Questionnaire"
            2 => "Reliability"
            3 => "Medical students"
            4 => "Medical education"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Evaluar la fiabilidad de una encuesta sobre tabaquismo en estudiantes de medicina en cuanto a la reproducibilidad de los resultados</p> <span class="elsevierStyleSectionTitle">M&#233;todo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se dise&#241;&#243; una encuesta con 30 variables que med&#237;an tres dimensiones &#40;prevalencia&#44; conocimientos y actitudes hacia el tabaquismo&#41; y se asign&#243; una clave individual a cada cuestionario&#46; Se encuest&#243; a los alumnos de primero de medicina de Zaragoza en el curso 1997&#8211;1998&#46; Para valorar la fiabilidad de la encuesta se aplic&#243; un m&#233;todo test-retest&#44; que consiste en realizar el mismo cuestionario a los mismos sujetos al cabo de un tiempo&#46; Para medir el grado de concordancia test-retest se ha calculado el coeficiente kappa</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Se realiz&#243; la encuesta inicial &#40;test&#41; a los alumnos de primero de medicina en el momento de la matr&#237;cula &#40;181 encuestados&#41; y a las 7 semanas se volvi&#243; a pasar el mismo cuestionario en el aula &#40;retest&#41; consiguiendo 43 cuestionarios&#46; Las encuestas se emparejaron seg&#250;n la clave&#44; consiguiendo emparejar 35 de los casos&#46; La mayor&#237;a de las variables que se refieren a las caracter&#237;sticas del tabaquismo&#44; tales como prevalencia&#44; cantidad de consumo&#44; consonancia-disonancia&#44; entre otras&#44; presentan un grado de fiabilidad bueno&#46; Las variables que miden el grado de conocimientos se valoran en su mayor&#237;a con un grado de fiabilidad aceptable&#44; si bien hay tres en que &#233;sta es baja&#46; Respecto a las variables que eval&#250;an las actitudes&#44; la mitad aproximadamente presenta un grado de fiabilidad aceptable y la otra mitad&#44; una fiabilidad baja</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">La encuesta evaluada tiene&#44; en general&#44; un grado de fiabilidad bueno&#59; esto se refiere a la reproducibilidad de los resultados&#44; es decir&#44; a la probabilidad de que un individuo responda de igual forma a la pregunta planteada en dos momentos distintos&#46; No obstante&#44; algunas de las variables que miden actitudes hacia el tabaquismo presentan un menor grado de fiabilidad y esta situaci&#243;n obliga a interpretar con prudencia los resultados obtenidos con dichas variables</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">To evaluate the reliability and reproducibility of results obtained from a questionnaire on the smoking habits of medical students</p> <span class="elsevierStyleSectionTitle">Method</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">A questionnaire with 30 variables was designed to measure three main parameters&#58; prevalence&#44; knowledge and attitudes toward smoking&#46; First-year medical students at the University of Zaragoza &#40;1997&#8211;98 academic year&#41; were asked to fill in the questionnaire&#44; and a code was assigned to each individual respondent&#46; A test-retest method was then used to assess reliability&#58; the same questionnaire was answered by the subjects after a period of time had elapsed&#46; The Kappa coefficient was calculated to measure agreement</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">The questionnaire was filled in by 181 students at registration and 7 weeks later by 43 students&#46; The first- and second-time questionnaires for 35 individuals were matched by codes&#46; Reliability was good for most variables related to the main characteristics of smoking &#40;such as prevalence&#44; number of cigarettes smoked daily and consonance-dissonance&#41;&#46; Reliability was acceptable for most variables related to knowledge but was low for 3 items&#46; Reliability was acceptable for half the items related to attitudes and low for half</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The questionnaire has a generally good level of reliability&#44; with regard to reproducibility&#44; or the likelihood that an individual will respond to an item in the same way at two different times&#46; Some variables that measure attitudes toward smoking&#44; however&#44; are less reliable&#46; Results obtained for those items should therefore be interpreted cautiously</p>"
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                        0 => array:2 [
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                            3 => "A&#46; Rold&#225;n Villalobos"
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Article information
ISSN: 03002896
Original language: Spanish
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