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Participants who were difficult to recruit at baseline are less likely to complete a follow-up questionnaire – results from the German National Cohort
BACKGROUND: With declining response proportions in population-based research the importance of evaluating the effectiveness of measures aimed at improving response increases. We investigated whether an additional flyer with information about the study influences participation in a follow-up question...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7346423/ https://www.ncbi.nlm.nih.gov/pubmed/32646374 http://dx.doi.org/10.1186/s12874-020-01073-0 |