Ontology highlight
ABSTRACT:
SUBMITTER: Guo X
PROVIDER: S-EPMC5434039 | biostudies-literature | 2017 May
REPOSITORIES: biostudies-literature
Guo Xiaofan X Vittinghoff Eric E Olgin Jeffrey E JE Marcus Gregory M GM Pletcher Mark J MJ
Scientific reports 20170516 1
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 (NHANES) 2013-14, a cross-sectional survey of the US population. Compared with the US population (represented by 5,769 NHANES participants), the 12,280 Health eHeart participants with complete survey data were m ...[more]