https://www.selleckchem.com/pr....oducts/oligomycin-a.
Participants with a lower income (OR = 0.43, 95% CI = 0.25-0.74, P = .002) were more likely to report watching the video. Participants who received a video invitation required significantly fewer reminder calls than those who only received a written invitation (mean = 1.6 vs 1.1 calls, P less then .001), resulting in a 25% recruitment cost-saving for the study. Adding a USB with a video study invitation to recruitment packages is a cost-effective way of improving study participation. This is important in an era of declining study
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