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Evaluating the validity of self-reported smoking in Mexican adolescents
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 b...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4606437/ https://www.ncbi.nlm.nih.gov/pubmed/26453588 http://dx.doi.org/10.1136/bmjopen-2014-007485 |