Blood donor retention is a critical strategy to ensure the safety and sufficiency of clinical blood supply. An effective strategy can prevent donors from lapsing and eventually becoming inactive.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
11,880
From 20 October to 10 November 2016, telephone calls were given to the donors in the phone call group
Text messages were sent to an equal number of donors in the SMS group
Guangzhou Blood Center
Guangzhou, Guangdong, China
Blood donation rate
Number of blood donors donate blood again divided by the number of participants in every group after intervened.
Time frame: 1 year
Self-deferral reasons of not donating
The reasons of not donating again in the telephone group.
Time frame: 1 day
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