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Stigmatizing deferrals disproportionally reduce donor return rates: Evidence from Brazil
Yan Vieites1, Claudio M Ferreira1, Rafael Goldszmidt1
1Brazilian School of Public and Business Administration, Fundação Getulio Vargas (FGV-EBAPE), Rio de Janeiro, Rio de Janeiro, Brazil.
Blood donation deferrals for stigmatizing reasons, such as sex and drug use, significantly reduce donor return rates. Blood collection agencies (BCAs) should carefully communicate these deferral reasons to retain donors.
Area of Science:
- Public Health
- Behavioral Science
- Medical Sociology
Background:
- Temporary deferrals negatively impact donor return rates.
- The differential impact of deferral reasons on donor behavior is not well understood.
Purpose of the Study:
- To assess the perceived stigmatization of different blood donation deferral reasons.
- To investigate the association between stigmatizing deferrals and subsequent donor return behavior.
Main Methods:
- An online survey (n=400) assessed perceived stigmatization of deferral reasons.
- Donation records from a Brazilian blood collection agency (BCA) (n=82,648) were analyzed over 60 months.
Main Results:
- Deferrals for sex- and drug-related reasons were perceived as significantly more stigmatizing (OR=3.14).
- Donors deferred for stigmatizing reasons were less likely to return (aHR=0.87).
Conclusions:
- Sex- and drug-related deferrals are perceived as highly stigmatizing, negatively affecting donor retention.
- BCAs should refine communication strategies for stigmatizing deferral reasons to improve donor return.
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