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Table 1 Demographic characteristics and complications prior to labour by planned place of birth

From: Birthplace in New South Wales, Australia: an analysis of perinatal outcomes using routinely collected data

 

Hospital n = 242 936

Birth centre n = 14 483

Home n = 742

P

Maternal age (years)

    

Mean (SD) #

29.2 (5.67)

30.0 (5.29)

32.4 (5.23)

<0.001

<20

15 280 (6.3%)

513 (3.5%)

7 (0.9%)

 

20-24

42 544 (17.5%)

2 122 (14.7%)

54 (7.3%)

 

25-29

73 440 (30.2%)

4 529 (31.3%)

159 (21.4%)

<0.001

30-34

73 404 (30.2%)

4 788 (33.1%)

249 (33.6%)

 

35-39

32 058 (13.2%)

2 181 (15.1%)

185 (24.9%)

 

≥40

6 134 (2.5%)

349 (2.4%)

49 (6.6%)

 

Missing

76 (0.03%)

1 (0.09%)

39 (5.3%)

Previous pregnancies (≥20 weeks)

    

0

149 459 (61.5%)

9 145 (63.1%)

313 (42.2%)

 

1

54 445 (22.4%)

3 328 (23.0%)

219 (29.5%)

<0.001

2

24 627 (10.1%)

1 453 (10.0%)

143 (19.3%)

 

≥3

14 259 (5.9%)

552 (3.8%)

59 (8.0)

Missing

146 (0.06%)

5 (0.04%)

8 (1.1%)

Gestation (completed weeks)

    

Mean (SD) #

39.5 (1.10)

39.8 (1.12)

39.9 (1.16)

<0.001

37

12441 (5.1%)

541 (3.7%)

22 (3.0%)

<0.001

38

31268 (12.9%)

1424 (9.8%)

55 (7.4%)

39

62137 (25.6%)

3405 (23.5%)

147 (19.8%)

40

95992 (39.5%)

5353 (37.0%)

309 (41.6%)

41

37682 (15.5%)

3347 (23.1%)

147 (19.8%)

≥42

3416 (1.4%)

413 (2.9%)

62 (8.4%)

Complication conditions prior to labour

    

Prolonged rupture of membranes*

72 (0.03%)

0

0

0.11

Preeclampsia

2579 (1.1%)

93 (0.6%)

1 (0.1%)

<0.001

Gestational hypertension

6997 (2.9%)

322 (2.2%)

1 (0.1%)

<0.001

Chronic hypertension

685 (0.3%)

29 (0.2%)

2 (0.3%)

0.38

Antepartum haemorrhage

1293 (0.5%)

64 (0.4%)

3 (0.4%)

0.49

Eclampsia

11 (<0.01%)

0

0

0.85

Gestational diabetes**

32 (0.01%)

0

2 (0.3%)

0.36

Pre-pregnancy diabetes (Type I)

149 (0.06%)

0

0

0.03

Complications per woman

    

0

221284 (91.1%)

13725 (94.8%)

735 (99.1%)

 

1

18460 (7.6%)

637 (4.4%)

6 (0.8%)

<0.001

≥2

3192 (1.3%)

121 (0.8%)

1 (0.1%)

  1. #Utilising ANOVA.
  2. *Prolonged rupture of membranes: >24 hours.
  3. **Any form of GDM.