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背景提高献血者尤其是首次献血者献血回头率,可显著改善血液供给。然而,对于通过不同途径招募献血者的效果,很少有周密的研究。研究设计与方法用单盲法和随机法设计试验,随机将6919名2001年9月11日后第一次献血者分配到以下组中,赠送T恤鼓励与不赠送进行对比,以一患者经历招募(便签A)与伴献血者血型信息的问候(便签B)做比较,电话招
Background Increasing the blood donation rate of blood donors, especially first-time blood donors, can significantly improve blood supply. However, there have been few careful studies on the effect of recruiting blood donors through different channels. Study Design and Methods Single-blind and randomized design trials randomly assigned 6,919 first-time blood donors after September 11, 2001 to the following groups. Comparing donated T-shirt encouragement vs. no-recipients, one patient experienced recruitment (Note A) Comparing with the greetings from blood donors with blood type information (Note B), telephone call