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Effect of questionnaire structure on recall of drug utilization in a population of university students
BACKGROUND: Self-reported data are a common source of information about drug exposure. Modes of data collection differ considerably and the questionnaire's structure may affect prevalence estimates. We compared the recall of medication use evaluated by means of two questionnaires differing in s...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2713272/ https://www.ncbi.nlm.nih.gov/pubmed/19563651 http://dx.doi.org/10.1186/1471-2288-9-45 |