Table 2.

Number and prevalence of positive HBeAg rate among HBsAg carrier parturients who delivered from 2001 to 2010.

Factors		Number HBsAg(+)a n = 1595	Number HBeAg(+)b n = 353	Percentage HBeAg(+) 22.1%	P1	P2
Calendar year of delivery	2001	232	62	26.7	0.647	0.249
	2002	258	56	21.7
	2003	190	35	18.4
	2004	78	22	28.2
	2005	113	24	21.2
	2006	167	38	22.8
	2007	150	32	21.3
	2008	144	30	20.8
	2009	149	32	21.5
	2010	114	22	19.3
Age (years)	<25	119	50	42.0	<0.001	<0.001
	25–29	512	145	28.3
	30–34	652	127	19.5
	≥35	312	31	9.9
Number of pregnancies	1	348	78	22.4	0.386	0.391
	2	655	132	20.2
	3	382	94	24.6
	>3	210	49	23.3
Parity	1	510	111	21.8	0.613	0.398
	2	823	179	21.7
	3	219	50	22.8
	>3	43	13	30.2
Nationality	Native	1526	325	21.3	<0.001
	Foreign	69	28	40.6

^*P₁. Pearson’s chi-square test; P₂. chi-square test for linear trend.

^aNumber of deliveries from 1256 HBsAg-positive mothers.

^bNumber of deliveries from 263 HBeAg-positive mothers.