Prevalence of hepatitis B surface antigen (HBsAg) in a blood donor population born prior to and after implementation of universal HBV vaccination in Shenzhen, China

Table 1 Demographic characteristics of candidate blood donors between 2005 and 2014 in Shenzhen, China

Year	Number of donors	% of donors in various categories						Number of donations
	Number of donors	First-time	Repeat	Male	Female	Native^a	Other origins^a	Number of donations
2005	42,638	67.5	32.5	68.1	31.9	27.7	72.3	52,398
2006	44,411	64.6	35.4	69.1	30.9	28.8	71.2	55,117
2007	45,248	50.2	49.8	68.2	31.8	27.4	72.6	58,051
2008	47,086	60.0	40.0	68.5	31.5	26.7	73.3	60,794
2009	48,341	58.8	41.2	68.3	31.7	27.9	72.1	64,496
2010	57,248	62.1	37.9	66.2	33.8	28.4	71.6	73,953
2011	66,232	61.4	38.6	66.2	33.8	30.4	69.6	83,353
2012	73,194	63.8	36.2	66.3	33.7	31.6	68.4	92,033
2013	72,314	56.2	43.8	66.1	33.9	32.2	67.8	92,125
2014	72,433	60.6	39.4	63.4	36.6	33.8	66.2	92,380
Total	569,145	60.5	39.5	66.7	33.3	29.9	70.1	724,700

^aAccording to the initial identity card registration that indicates the birth place, blood donors were classified as native born in Guangdong province or of other origins (born in other provinces of China)

ISSN: 1471-2334