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The older the better: are elderly study participants more non-representative? A cross-sectional analysis of clinical trial and observational study samples
OBJECTIVE: Study participants can differ from the target population they are taken to represent. We sought to investigate whether older age magnifies such differences, examining age-trends, among study participants, in self-rated level of activity compared to others of the same age. DESIGN: Cross-se...
Αποθηκεύτηκε σε:
| Κύριοι συγγραφείς: | , , , , , |
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| Μορφή: | Artigo |
| Γλώσσα: | Inglês |
| Έκδοση: |
BMJ Publishing Group
2012
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| Θέματα: | |
| Διαθέσιμο Online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3533104/ https://ncbi.nlm.nih.gov/pubmed/23242479 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2012-000833 |
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