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Table 2 Baseline characteristics, respondents grouped according to HDFN risk, as established upon first trimester RBC antibody screening

From: Women's attitude towards prenatal screening for red blood cell antibodies, other than RhD

 

Controls

Screen-positive, not at risk HDFN

At risk HDFN

 

n = 733

Screen-pos, not-confirmed

n = 21

Clinically non-relevant antibodies

n = 44

Non-RhD antibodies, father neg.

n = 30

Non-RhD antibodies, father pos.

n = 45

General

Age – yr mean (SD)

30.6 (4.2)

31.3 (3.7)

30.5 (4.8)

30.6 (4.2)

32.9 (3.4)*

Educational level – %

     

. elementary or lower secondary school

14

9

23

40*

9

. higher secondary school

37

43

36

30

49

. higher vocational level/university

49

48

41

30*

42

Ethnic group: non-Dutch – %

4

0

14

0

0

MHLC1 (range 6–36) – mean (SD)

     

Domains:

     

- Internal

22.1 (4.1)

22.5 (3.4)

21.7 (3.7)

21.5 (5.2)

21.7 (3.6)

- Chance

17.6 (3.6)

17.2 (4.8)

16.7 (3.9)

17.9 (5.6)

18.2 (4.5)

- Powerful others(doctors)

13.9 (3.6)

13.8 (3.4)

14.7 (4.0)

13.8 (4.0)

15.2 (4.1)

STAI trait – mean (SD)

34.0 (7.3)

31.4(6.3)

34.8 (8.3)

34.1 (7.8)

33.7 (7.9)

Disease specific experience

Known with RBC antibodies/HDFN – %

NA

NA

23

30

27

RBC antibodies in environment – %

26

29

30

17

44*

HDFN in environment – %

10

10

0*

7

16

Knowledge about RBC antibodies (range:0–17) – mean (SD)

7.6 (4.1)

8.4 (3.5)

8.4 (4.0)

9.2 (4.1)

11.7 (3.4)*

Obstetric experience

History of former pregnancy/delivery – %

51

62

66

63

96*

. former pregnancy/delivery with problems – %

19

10

23

10

33

Care during current pregnancy – %

     

- start in primary care

80

86

77

63

42*

- primary → sec care (% of) started in primary care)

35

39

29

32

42

Hospital admission in current pregnancy – %

14

10

25

23

22

Non-medical life-events in current pregnancy – %

43

33

43

37

27

Invasive procedure current delivery2 – %

33

29

21

30

27

Bad experience current delivery – %

18

33

21

23

11

Not well (mother and/or child) 14 days after current delivery – %

12

14

7

21

4

  1. 1 Multidimensional Health Locus of Control Scales
  2. 2Invasive procedure delivery: assisted vaginal delivery, cesarean section, manual removal of placenta, surgical suturing
  3. 3Weighted controls from obstetric care: 35*0.41 = 15; 58 controls from midwifery care
  4. * p < 0.05, compared to controls
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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