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. Author manuscript; available in PMC: 2018 May 8.
Published in final edited form as: Contemp Clin Trials Commun. 2017 Apr 20;6:122–126. doi: 10.1016/j.conctc.2017.04.003

Table 1. Data collection summary by study visit.

Study Phase Pre-randomization Randomization
Visit description (FU=follow-up, CO=close-out) Screen Baseline FU CO
Visit number 1 2 3 4
Visit week -2 0 8 20
Informed consent, review inclusion/exlusion criteria x
Personal interveiw, medical history, medication use x
Office blood pressure (sitting + standing), vital signs x x x x
Physical exam, height/weight, ECG x
Randomization x
Waist circumference, 6 minute walk, blood collection x x x
Accelerometry, assess adverse experiences x x x
Diet recall, 4 meter walk, grip strength x x x
Short Phsyical Performance Battery x x