Table 4.

Anti-HBs seropositivity among children with booster doses.

Birth year		HBsAg(+) mother			HBsAg(–) mother			HBsAg(unknown) mother			Total
		N	+	%	N	+	%	N	+	%	N	+	%
2012–2013		5	5	100	69	62	89.86	20	20	100.00	94	87	92.55
2010–2011		10	10	100	110	98	89.09	32	28	87.50	152	136	89.47
2008–2009		5	4	80	83	80	96.39	34	29	85.29	122	113	92.62
2006–2007		9	8	88.89	111	101	90.99	34	34	100.00	154	143	92.86
2004–2005		0	0	–	56	52	92.86	22	17	77.27	78	69	88.46
2002–2003		5	4	80	83	64	77.11	54	40	74.07	142	108	76.06
Total		34	31	91.18	512	457	89.26	196	168	85.71	742	656	88.41