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Table 1 Characteristics of the 865 participants (Means and standard deviations or numbers and (percentages)).

From: Antenatal screening for Group B Streptococcus: A diagnostic cohort study

Characteristic

Mean (sd) or Number (%)

Age Mean (sd)

28.0 (5.5)

Age group

 

   ≤ 20

74 (8.6)

   21–34

680 (78.6)

   ≥ 35

111 (12.8)

Parity

 

   0

447 (51.7)

   1–3

402 (46.5)

   ≥ 4

16 (1.8)

Model of care (booking)

 

   Traditional + midwifery antenatal care

461 (53.3)

   Birth Centre

185 (21.4)

   GP Shared Care

219 (25.3)

Smoking at booking

185 (21.4%)

GBS bacteriuria at booking

 

   Positive (4% of all with known values)

30 (3.5%)

   Unknown

117 (13.5%)

History of GBS among women with parity 1+ (n = 418)

 

   Positive in previous pregnancy (27.3% of known)

55 (13.2)

   Unknown

184 (44%)

History of neonatal GBS sepsis n = 418

1 (0.2)

   Unknown

26 (36.2)

History of

 

   Preterm birth

32 (7.7)

   Preterm prelabour rupture of membranes

12 (2.9)

Sociodemographic characteristics

 

Race

 

   Caucasian

818 (94.6)

   Aboriginal/Torres Strait Islander

8 (0.9)

   Asian

35 (4.0)

   Other

4 (0.5)

Education

 

   School student

5 (0.6)

   Left school aged < 16

55 (6.4)

   Left school aged ≥ 16

369 (42.7)

   Trade qualification

36 (4.2)

   Certificate or Diploma

241 (27.9)

   Bachelors Degree or higher

159 (18.4)