Clinical Profile and Risk Factors of Group B Streptococcal Colonization in Mothers from the Eastern District of China

Table 2

Risk factors for GBS colonization in pregnant women: binary logistic regression analysis.

Factors		B	SE		OR (95% CI)
Maternal age (years)	18–29	0
	30–45	0.068	0.158	0.006	1.913 (1.662, 2.478)
Prelabor rupture of the membrane	No	0
	Yes	0.158	0.440	0.002	3.838 (1.619, 9.099)
Gestational age at birth	Above average gestational age	0
	Below average gestational age	0.689	0.164	0.001	1.992 (1.445, 2.746)

B: regression coefficient; SE: standard error; : value; OR: odds ratio. Average gestational age is 39 weeks 4 days.