Table 1 Maternal and infant characteristics between gravidae seronegative versus seropositive for rubella immunity.

From: Parity status and the relationship between antenatal rubella serology with obstetric outcome

 

Rubella status

p

Seronegative

Seropositive

Number (% of total)

13,320 (9.9)

120,606 (90.1)

–

Age (years)

30.6 ± 5.8

30.6 ± 5.4

0.943

Age ≥ 35 years (%)*

26.9

23.1

 < 0.001

Height (cm)

157.4 ± 5.5

158.1 ± 5.5

 < 0.001

Height ≤ 154 cm (%)*

29.4

26.2

 < 0.001

Booking weight (kg)

57.9 ± 9.5

56.9 ± 9.3

 < 0.001

Booking BMI (kg/m2)

23.4 ± 3.6

22.8 ± 3.5

 < 0.001

BMI ≥ 25 kg/m2 (%)*

28.1

22.6

 < 0.001

Nulliparous gravidae (%)*

47.8

52.0

 < 0.001

Gestational age (wks)

38.9 ± 1.9

38.8 ± 1.8

0.016

Birthweight (g)

3182 ± 491

3152 ± 479

 < 0.001

Male infant (%)*

52.2

52.0

0.692

  1. BMI body mass index.
  2. Results expressed in mean ± SD and compared with the t test, or in % as indicated* and compared with the chi square test.
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