Abstract
ObjectiveThe relationship among blood donation, cognition in blood donation and health condition of blood donors remains unclear. Based on our hypothesis, this study aimed to explore the mediating effect of cognition in blood donation on the relationship between blood donation and blood donors’ health status.MethodsA total of 837 participants who had prior experience in donating whole blood were recruited into a cross-sectional survey. The Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) and the Questionnaire on Cognition in Non-remunerated Blood Donation were used to evaluate the health status and the level of cognition in blood donation, respectively. Blood donation referred to the cumulative times of blood donation. The mediating effect of cognition in blood donation was analyzed by applying a path model.ResultsThe results revealed that blood donation was positively related to the physical component summary (PCS) and mental component summary (MCS) of SF-36, and cognition in blood donation was shown to have a partial mediating effect on the relationship between blood donation and both PCS and MCS. The effect size of cognition in blood donation was 24.63% in PCS and 26.72% in MCS.ConclusionsBlood donation is positively correlated with SF-36 outcomes (PCS and MCS) of blood donors, and cognition in blood donation plays a partial mediating effect in the relationship between blood donation and PCS and MCS.
Highlights
Clinical blood transfusion is an indispensable method for disease treatment and saving the lives of patients suffering from blood loss; the sufficient supply of clinical blood must be maintained [1, 2]
The results revealed that blood donation was positively related to the physical component summary (PCS) and mental component summary (MCS) of social functioning (SF)-36, and cognition in blood donation was shown to have a partial mediating effect on the relationship between blood donation and both PCS and MCS
Blood donation is positively correlated with SF-36 outcomes (PCS and MCS) of blood donors, and cognition in blood donation plays a partial mediating effect in the relationship between blood donation and PCS and MCS
Summary
Clinical blood transfusion is an indispensable method for disease treatment and saving the lives of patients suffering from blood loss; the sufficient supply of clinical blood must be maintained [1, 2]. The recruitment of non-remunerated blood donors faces many issues at the present stage [3, 4]. In 2013, the rate of blood donation among residents in mainland China was 9.4 per thousand, which is lower than the minimum rate of blood donation of 10 per thousand recommended by World Health Organization (WHO). The composition of blood donors is considered too homogeneous, and the ability to retain repeating donors is weak. It is difficult for the quantity of donated blood to meet the growing demand for blood transfusions in China. Despite the progress made in raising public awareness of non-remunerated blood donation, many Chinese citizens still possess negative attitudes towards blood donation
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