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Fig. 2 | Trials

Fig. 2

From: Recruitment and representativeness of blood donors in the INTERVAL randomised trial assessing varying inter-donation intervals

Fig. 2

CONSORT flowchart of participants into the INTERVAL trial. 1On arrival at the donor centre, donation staff in the welcome area asked donors if they were interested in joining, were ≥18 years old and had access to email/Internet. If a donor responded ‘no’ to any of these questions, he/she was excluded. 2This group expressed an interest in joining the study when asked by donation staff in the welcome area, but had not previously received an invitation

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Trials

ISSN: 1745-6215