Table 2.

Factors affecting the morbidity for neonatal early-onset group B streptococcus-related diseases

	Unadjusted model				Adjusted model A
	OR	95% CI		p-value	OR	95% CI		p-value
GBS screening result
GBS negative	1.00	–	–	–	1.00	–	–	–
GBS positive	2.97	1.32	6.69	0.009	2.84	1.26	6.41	0.012
Maternal age
< 35 years	1.00	–	–	–	1.00	–	–	–
≧35 years	2.13	0.91	4.98	0.081	1.76	0.74	4.20	0.201
Maternal education
High school and below	1.00	–	–	–	1.00	–	–	–
College and above	0.97	0.42	2.27	0.948	0.77	0.30	1.94	0.575
Monthly salary(NTD)
≦28,800	1.00	–	–	–	1.00	–	–	–
≧28,801	1.72	0.77	3.82	0.185	1.68	0.70	4.05	0.246
Degree of urbanization
1 + 2	1.00	–	–	–	1.00	–	–	–
3 + 4 + 5 + 6 + 7	1.36	0.58	3.18	0.479	1.61	0.67	3.85	0.289
CCI
0 point	1.00	–	–	–	1.00	–	–	–
≧1 point	2.58	1.07	6.22	0.035	2.45	1.01	5.93	0.048
PROM
No	1.00	–	–	–	1.00	–	–	–
Yes	3.98	1.19	13.34	0.025	3.42	0.95	12.31	0.060
Preterm birth
No	1.00	–	–	–	1.00	–	–	–
Yes	5.15	1.54	17.27	0.008	4.81	1.31	17.70	0.018
Infant birth weight (g)
< 2500	1.00	–	–	–	1.00	–	–	–
2500–3499	0.95	0.13	7.09	0.631	1.82	0.22	15.04	0.976
≧3500	1.59	0.19	13.61	0.472	3.18	0.33	30.82	0.229
Level of medical institution
Medical center	1.00	–	–	–	1.00	–	–	–
Regional hospital	0.47	0.15	1.47	0.559	0.50	0.16	1.58	0.445
District hospital	0.43	0.13	1.40	0.405	0.50	0.15	1.69	0.471
Primary clinic	0.57	0.19	1.70	0.955	0.75	0.23	2.44	0.726
Ownership of medical institution
Public	1.00	–	–	–	1.00	–	–	–
Private	1.05	0.25	4.45	0.951	1.24	0.28	5.57	0.779