TABLE 1.

Characteristics of Mothers of Study Neonates

SymptomaticAsymptomaticP Value
No. of pregnancies*38812
Ethnicity, %
 Hispanic8283.92
 Black1511.66
 White34.78
 Other03.68
Maternal age, y23.5 (14–41)22.0 (11–41).06
Pregnancy-induced hypertension, %814.39
Oxytocin during labor, %6172.16
Cesarean delivery, %3929.28
Duration of labor, h17 (8–41)16 (1–53).29
Duration of ruptured membranes, h15.6 (0.3–72)12.0 (0–222).02
Anesthesia, %
 Epidural4567.02
 General32.92
Antibiotics, h4.2 (0.3–26)2.5 (0.1–49).98
  • * This includes 6 twin pregnancies.

  • Time between first maternal dose and delivery.

  • Values are medians; numbers in parentheses represent the range.