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Comparison of web versus interview participants in a case-control study
PURPOSE: To evaluate whether selection bias might be introduced due to differential self-selection into an internet-based case-control study. METHODS: We compared sociodemographic factors and behavioral factors for cases and controls who opted for their first entrée into the study be via the interne...
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發表在: | Ann Epidemiol |
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Main Authors: | , |
格式: | Artigo |
語言: | Inglês |
出版: |
2015
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主題: | |
在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4567897/ https://ncbi.nlm.nih.gov/pubmed/26296267 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.annepidem.2015.07.007 |
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