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Verifying a questionnaire diagnosis of asthma in children using health claims data
BACKGROUND: Childhood asthma prevalence is widely measured by parental proxy report of physician-diagnosed asthma in questionnaires. Our objective was to validate this measure in a North American population. METHODS: The 2884 study participants were a subsample of 5619 school children aged 5 to 9 ye...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2011
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3233499/ https://www.ncbi.nlm.nih.gov/pubmed/22108202 http://dx.doi.org/10.1186/1471-2466-11-52 |