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Published in 2021 at "JAMA Network Open"
DOI: 10.1001/jamanetworkopen.2021.4732
Abstract: This cross-sectional study uses electronic health records and clinical trial enrollment data to assess differences in the clinical characteristics of trial participants and nonparticipants.
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Keywords:
trial participants;
clinical trial;
trial;
participants nonparticipants ... See more keywords
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Published in 2017 at "BMC Medical Research Methodology"
DOI: 10.1186/s12874-017-0302-z
Abstract: BackgroundParticipation in epidemiological studies has strongly declined in recent years. We examined the reasons for (non)participation in population-based health studies among participants and nonparticipants of a prospective study on influenza vaccination among the elderly.MethodsMales and…
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Keywords:
participants nonparticipants;
health studies;
study;
health ... See more keywords