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Donors who react may not come back: analysis of repeat donation as a function of phlebotomist ratings of vasovagal reactions.

France CR, Rader A, Carlson B

Department of Psychology, Ohio University, 245 Porter Hall, Athens, OH 45701, USA. france@ohio.edu

Previous studies using small or restricted samples suggest that vasovagal reactions to blood donation are associated with a decreased likelihood of repeat donation. In the present study, we examined data for all allogeneic whole blood donors (n=89,587) in the American Red Cross Blood Services, Central Ohio Region during an entire year. Results of a one-year follow-up revealed that moderate and severe vasovagal reactions reduced the likelihood of repeat donation by 50% or more. Light vasovagal reactions, which represented 97% of all reactions recorded, significantly reduced return rates by 20% for first-time donors and 33% for experienced donors.

Published 19 September 2005 in Transfus Apher Sci, 33(2): 99-106.
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