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Questionnaire layout and wording influence prevalence and risk estimates of respiratory symptoms in a population cohort
OBJECTIVE: Results of epidemiological studies are greatly influenced by the chosen methodology. The study aims to investigate how two frequently used questionnaires (Qs), with partly different layout, influence the prevalence of respiratory symptoms. STUDY DESIGN AND SETTING: A booklet containing tw...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Blackwell Publishing Ltd
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3654566/ https://www.ncbi.nlm.nih.gov/pubmed/22243692 http://dx.doi.org/10.1111/j.1752-699X.2012.00281.x |