ISSN: 2167-0870
Department of Medicine, Duke University School of Medicine, North Carolina, United States
Research Article
Emailing is an Economical Strategy to Recruit Participants
Author(s): Kirsten Raby, Karen Blinson, David M Herrington, David X Zhao, Gary Rosenthal, W Schuyler Jones and Li Zhou*
Background: In order to produce results from clinical trials that are statistically significant, researchers must enroll enough participants; however, it is often difficult to recruit a sufficient number of participants.
Methods: We analyzed different patient recruitment strategies using email, letters, and in person visits in the framework of the ADAPTABLE study which is a randomized controlled study of two dosages of aspirin in patients with established cardiovascular disease.
Results: Four hundred and nine patients enrolled in our trial over a 10-month period. 397 (97.06%) patients enrolled in the study via email. Letters were sent to 7,226 patients. Four (0.98%) patients contacted via letter enrolled in the study. Eight (1.96%) of the patients who were approached in person enrolled in the stud.. View More»
DOI:
10.35248/2167-0870.22.12.491