Showing 1 - 20 results of 23 for search '"Cuernavaca, Morelos"', query time: 0.03s Refine Results
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    Evaluating the validity of self-reported smoking in Mexican adolescents by James F Thrasher, Mauricio Hernandez-Avila, Luz Myriam Reynales-Shigematsu, Tonatiuh Barrientos-Gutiérrez, Eduardo Lazcano-Ponce, María del Carmen Valladolid-López, Ingris Peláez-Ballestas

    Published 2015-10-01
    “…Objectives We aimed to evaluate the validity of the self-reported smoking indicator used in the Global Youth Tobacco Survey (GYTS).Setting 43 middle and high-school classrooms from 26 schools were selected from Mexico City and Cuernavaca, Morelos.Participants A total of 1257 students provided both a questionnaire and a urine sample.Primary and secondary outcome Sensitivity and specificity of self-reported smoking compared to urinary cotinine. …”
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