Table 1.

Bivariate analysis of the relationship between each variable and the morbidity for neonatal early-onset group B streptococcus-related diseases

			No GBS-related disease		GBS-related diseases
	n	%	n	%	n	%	p-value
Total	154,088	100.00	154,064	99.98	24	0.02
GBS screening result							0.016
GBS negative	123,912	80.42	123,898	99.99	14	0.01
GBS positive	30,176	19.58	30,166	99.97	10	0.03
Maternal age							0.132
< 35 years	122,290	79.36	122,274	99.99	16	0.01
≧35 years	31,798	20.64	31,790	99.97	8	0.03
Mean age (Mean ± SD)	30.89	4.51	30.89	4.51	31.83	4.18	0.308a
Maternal nationality							NV
Taiwan	151,899	98.58	151,875	99.98	24	0.02
Foreign	2189	1.42	2189	100.00	0	0.00
Maternal education							0.934
High school and below	46,955	30.47	46,947	99.98	8	0.02
College and above	107,133	69.53	107,117	99.99	16	0.01
Monthly salary(NTD)							0.399
≦28,800b	93,227	60.50	93,215	99.99	12	0.01
≧28,801	60,861	39.50	60,849	99.98	12	0.02
Degree of urbanization							NV
1	32,981	21.40	32,981	100.00	0	0.00
2	48,994	31.80	48,986	99.98	8	0.02
3~ 7	72,113	46.80	72,097	99.98	16	0.02
Aboriginal							NV
No	149,288	96.88	149,264	99.98	24	0.02
Yes	4800	3.12	4800	100.00	0	0.00
CCIc							0.035
0	133,218	86.46	133,201	99.99	17	0.01
≧1	20,870	13.54	20,863	99.97	7	0.03
PROMd							0.056
No	148,433	96.33	148,412	99.99	21	0.01
Yes	5655	3.67	5652	99.95	3	0.05
Preterm birth							0.024
No	150,077	97.40	150,056	99.99	21	0.01
Yes	4011	2.60	4008	99.93	3	0.07
Infant birth weight							0.597
<2,500	6534	4.24	6533	99.98	1	0.02
2,500-3,499	126426	82.05	126408	99.99	18	0.01
≧3,500	21128	13.71	21123	99.98	5	0.02
Previous infant(s) with GBS-related diseases							NV
No	154072	99.99	154048	99.98	24	0.02
Yes	16	0.01	16	100.00	0	0.00
Level of medical institution							0.749
Medical center	26052	16.91	26046	99.98	6	0.02
Regional hospital	43383	28.15	43377	99.99	6	0.01
District hospital	39213	25.45	39208	99.99	5	0.01
Primary clinic	45440	29.49	45433	99.98	7	0.02
Ownership of medical institution							1.000
Public	15003	9.74	15001	99.99	2	0.01
Private	139085	90.26	139063	99.98	22	0.02

^at-test

^bIncluding low-income households

^cCCI Charlson comorbidity index

^dPROM Premature rupture of membrane