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目的通过比较初次献血者和重复献血者的不同人口学及献血行为特征,分析影响重复献血的相关因素,为制定针对保留初次献血者的召回策略提供依据。方法采用构成比等描述性分析、Logistic回归分析方法,回顾性分析来自浙江省采供血系统血液管理信息系统(BIS2.0)的2006-2015年浙江省3 226 571例全血献血者数据。结果浙江省2006-2015年重复献血者比例为30.8%,男性占57.8%;25岁以上比例高于初次献血者;71.7%的男性重复献血者60-79 kg,52.2%女性重复献血者50-59 kg;40%重复献血者首次献捐献400 m L;71.6%的重复献血者在0.5-2年内再次献血,其中40.8%为0.5-1年。结论重复献血的人口学方面的主要影响因素是职业、文化程度、首次献血量。精准召回人群特点:年龄26-45岁,职业稳定,首次献血400 m L,70-89 kg的男性,55kg以上的女性。间隔0.5-2年内召回干预为佳,其中0.5—1年最佳。
Objective To compare the demographic and blood donation characteristics of primary blood donors and repeat blood donors and analyze the influencing factors of repeated blood donation so as to provide the basis for formulating the recall strategy of retaining the first blood donors. Methods Using descriptive analysis and logistic regression analysis, the data of 3 226 571 whole blood donors in Zhejiang Province from 2006 to 2015 in Zhejiang Province Blood Supply and Management System (BIS2.0) were retrospectively analyzed. Results The proportion of repeat blood donors in Zhejiang Province between 2006 and 2015 was 30.8%, 57.8% of men were male; the proportion above 25 years old was higher than that of first blood donors; 71.7% of male repeat donors were 60-79 kg; 52.2% of female repeat donors were 50- 59 kg; 40% of repeat donors donated 400 m L for the first time; 71.6% of repeat donors donated blood again within 0.5-2 years, 40.8% of whom were 0.5 to 1 year. Conclusion The main influencing factors in the demographic aspects of repeat blood donation are occupation, educational level and the amount of blood donation for the first time. Accurate recall of the crowd Features: Aged 26-45 years old, stable career, the first blood donation 400 m L, 70-89 kg of men, more than 55kg of women. Interval 0.5-2 years to recall the intervention is better, of which 0.5-1 years the best.