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Table 2 Maternal characteristics by intrapartum referral rates in practices

From: Variation in referrals to secondary obstetrician-led care among primary midwifery care practices in the Netherlands: a nationwide cohort study

  

Rate of intrapartum referrals among nulliparous women in midwifery practices (tertiles)

T1 (low)

T2

T3 (high)

Total

 

Nulliparous women

 

n = 35,180

n = 40,021

n = 37,605

n = 112,806

χ2p-value

Maternal age

<25

21.1

19.3

18.9

19.7

<0.001

 

25-34

69.2

70.7

70.9

70.3

 
 

≥35

9.7

10.0

10.3

10.0

 

Gestational age

37-41 + 0

82.8

82.9

83.2

82.9

0.025

 

>41 + 0

17.2

17.1

16.8

17.1

 

Background

Dutch

80.8

84.9

82.3

82.8

<0.001

 

Not Dutch

19.2

15.1

17.7

17.2

 

SES

Cat 1 (high)

21.2

23.2

23.0

22.5

<0.001

(Social economic status)

Cat 2

45.7

44.3

43.6

44.5

 
 

Cat 3 (low)

33.1

32.5

33.4

33.0

 

Urbanization

Very urban

25.0

21.9

19.6

22.1

<0.001

 

Intermediate

51.4

60.1

63.4

58.5

 
 

Rural

23.6

18.0

16.9

19.4

 

Planned place of birth

Home

44.4

42.6

39.9

42.2

<0.001

 

Hospital

44.9

48.8

51.6

48.5

 
 

Other/unknown

10.6

8.7

8.6

9.2

 

Multiparous women

 

n = 41,273

n = 46,158

n = 42,708

n = 130,139

 
  

%

%

%

%

 

Maternal age

<25

6.2

5.8

5.6

5.9

<0.001

 

25-34

68.7

68.2

68.8

68.6

 
 

≥35

25.1

26.0

25.5

25.6

 

Gestational age

37-41 + 0

83.9

83.5

84.2

83.9

0.001

 

>41 + 0

16.1

16.5

15.8

16.1

 

Background

Dutch

80.3

82.6

78.9

80.6

<0.001

 

Not Dutch

19.7

17.4

21.1

19.4

 

SES

Cat 1 (high)

22.6

25.4

25.1

24.4

<0.001

 

Cat 2

47.9

45.7

44.6

46.0

 
 

Cat 3 (low)

29.4

28.9

30.4

29.5

 

Urbanization

Very urban

19.3

16.3

14.9

16.8

<0.001

 

Intermediate

52.9

62.6

65.7

60.5

 
 

Rural

27.9

21.1

19.3

22.7

 

Planned place of birth

Home

52.0

50.1

46.9

49.6

<0.001

 

Hospital

37.4

41.3

44.4

41.1

 
 

Other/unknown

10.6

8.6

8.8

9.3

 
  1. Missing values: parity 20, maternal age: 213; background: 2,350; SES 5,896, urbanization 286.