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Table 2 Primary composite outcome by planned place of birth at the onset of labour

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

Planned place of birth

No. events/births

Incidence of events/1000

Unadjusted OR

Adjusted OR*

All women

Total*

1 481/258 045

5.7

  

Hospital

1 399/242 860

5.8

1.00

1.00

Birth centre

77/14 482

5.3

0.92 (0.73-1.16)

0.87 (0.69-1.10)

Home Birth

5/703

7.1

1.17 (0.49-2.83)

1.06 (0.44-2.56)

Nulliparous women

1 018/158 866

6.4

  

Hospital

949/149 417

6.4

1.00

1.00

Birth Centre

65/9 145

7.1

1.12 (0.87-1.44)

1.04 (0.81-1.34)

Home Birth

4/304

13.2

2.03 (0.75-5.44)

1.72 (0.64-4.63)

Multiparous women

461/99 022

4.7

  

Hospital

448/93 298

4.8

1.00

1.00

Birth Centre

12/5 332

2.3

0.47 (0.26-0.83)

0.45 (0.26-0.81)

Home Birth

1/392

2.6

0.49 (0.07-3.52)

0.47 (0.07-3.38)

Women without complications at start of care in labour

Total*

1291/235 611

5.5

  

Hospital

1221/221 193

5.5

1.00

1.00

Birth centre

66/13 723

4.8

0.87 (0.68-1.12)

0.82 (0.64-1.05)

Home birth

4/695

5.8

0.99 (0.37-2.64)

0.87 (0.33-2.35)

Nulliparous women

887/144 830

6.1

  

Hospital

829/135 897

6.1

1.00

1.00

Birth centre

55/8 633

6.4

1.05 (0.80-1.37)

0.96 (0.73-1.26)

Home birth

3/300

10.0

1.60 (0.51-4.99)

1.31 (0.42-4.11)

Multiparous women

403/90 632

4.5

  

Hospital

391/85 159

4.6

1.00

1.00

Birth centre

11/5 085

2.2

0.47 (0.26-0.86)

0.46 (0.25-0.83)

Home birth

1/388

2.6

0.52 (0.07-3.72)

0.50 (0.07-3.60)

  1. *Logistic regression was undertaken with adjustments occurring for maternal age, gestational age in weeks at delivery and parity. Any case with missing data was excluded from the regression.