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The effect of an internet option and single-sided printing format to increase the response rate to a population-based study: a randomized controlled trial
BACKGROUND: Paper questionnaires are a common means to collect self-reported information in population-based epidemiological studies. Over the past decades, the response rates to epidemiological studies have been decreasing which can affect the selection process of eligible subjects and lead to non-...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2014
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4236570/ https://www.ncbi.nlm.nih.gov/pubmed/25204467 http://dx.doi.org/10.1186/1471-2288-14-104 |