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Table 1 Characteristics of Pregnant Women in Study (N = 1513)

From: Association of sexually-transmitted infection and African–American race with Streptococcus agalactiae colonization in pregnancy

Characteristic Number (%)a
Or mean ± SD, median, rangea
Number
Unknown/NA (%)
GBS colonization 526 (34.8) 2 (0.1)b
STI during this pregnancy 536 (37.0) 64 (4.2)
 C. trachomatis 332 (22.9) 64 (4.2)
 N. gonorrhea 117 (8.1) 64 (4.2)
 T. vaginalis 296 (20.4) 64 (4.2)
Antibiotic exposurec 786 (55.1) 87 (5.8)
HIV positive 14 (0.1) 54 (3.6)
Term delivery 1343 (91.4) 44 (2.9)
GBS in prior pregnancy 189 (23.2) 700 (46.3)—NA
Race   22 (1.5)
 African–American 1114 (74.7)  
 White 201 (13.5)  
 Hispanic 141 (9.5)  
 Other 35 (2.3)  
Age (years) 24.4 ± 5.8, 23.0, 13–49 18 (1.2)
Weight (lbs) 191.6 ± 49.8, 182.0, 96–408 69 (4.6)
Height (in) 64.0 ± 2.9, 64.0, 49–74 94 (6.2)
BMI 32.8 ± 7.9, 31.3, 18.8–70.1 94 (6.2)
Gravidity 2.7 ± 1.8, 2.0, 1–20 2 (0.1)
  1. aCalculated from non-missing values
  2. bAmong the 1513 pregnant women, 2 have missing values for GBS and these 2 women have STI. The STI of these 2 women cannot be correlated to their unknown GBS. For purposes correlating STI and GBS, they are among the 66 with missing values (Table 2)
  3. cIncludes all antibiotic treatments for any infections diagnosed during the pregnancy, excluding IAP