TABLE 1:

Univariate analyses comparing the prevalence of risk factors for early onset group B streptococcus (GBS) among pregnant women with and pregnant women without GBS colonization

Variables	Colonized women (n=94)	Noncolonized women (n=892)	Odds ratio	95% CI	P
Age younger than 20 years	2	41	0.45	0.11 to 1.89	0.28
Multiple births	2	22	0.95	0.22 to 4.11	0.94
Diabetes	6	41	1.14	0.44 to 2.94	0.79
Previous GBS-infected newborn	3	15	1.19	0.27 to 5.25	0.82
GBS bacteriuria	1	0	–	–	–
Preterm delivery (less than 37 weeks’ gestational age)	21	95	2.24	1.31 to 3.83	0.003
Intrapartum fever (at least 38°C)	4	12	4.94	1.66 to 14.57	0.004
Prolonged rupture of membranes (at least 18 h)	10	27	2.73	1.31 to 5.68	0.007