Volunteer Participation in the Health eHeart Study: A Comparison with the US Population

Abstract Direct volunteer “eCohort” recruitment can be an efficient way of recruiting large numbers of participants, but there is potential for volunteer bias. We compared self-selected participants in the Health eHeart Study to participants in the National Health And Nutrition Examination Survey (N...

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Autores principales: Xiaofan Guo, Eric Vittinghoff, Jeffrey E. Olgin, Gregory M. Marcus, Mark J. Pletcher
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/2a082f737ed54dbb8fdd84de3f55a131
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