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Blood donor recruitment is an important issue in every country, since the blood supply pressure become more and more intense. Donor retention is even more important, because it is easier to recruit an old customers than a new one. Therefore, figuring the most effective ways of recruiting lapsed blood donors and understanding the reasons of not donating blood again is critical and vital for the development of blood donation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Text group | Experimental | Text messages containing reminds of blood donation information would be sent to donors in this group. |
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| Telephone group | Experimental | Investigators would give telephone calls to the donors in this group, ask the reasons why they stopped donating blood. |
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| Control group | No Intervention | No intervention will be giving to this group. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Text message | Other | Text messages would be sent via the messaging platform of Guangzhou Blood Center. The feedback of sending status (received, failed to receive, or unknown) would be marked on every number. Four to six months follow-up, blood donation rate would be checked. |
| Measure | Description | Time Frame |
|---|---|---|
| Blood donation rate | Number of blood donors donate blood again divided by the number of participants in every group after intervened. | four to six months |
| Measure | Description | Time Frame |
|---|---|---|
| Reasons of not donating again | The reasons of not donating again in the telephone group. | 1 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Guangzhou Blood Center | Guangzhou | Guangdong | 510095 | China |
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| Telephone | Other | Status (response, no answer, line issue, wrong number or refused to be interviewed) of every donor in this groups would be marked. Four to six months follow-up, blood donation rate would be checked. |
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