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Table 2 Mean STAI of the total group and mean STAI for the group that filled in both STAI-1 and STAI-2; decrease in anxiety score from STAI-1 to STAI-2 relative to reported perceptions.

From: GP-initiated preconception counselling in a randomised controlled trial does not induce anxiety

 

Total group STAI-1

Group that completed the STAI both prior and post PCC

 

n *

Mean STAI

n *

STAI-1 (prior)

STAI-2 (post)

Reduction in STAI score

95% CI Delta

Women's estimation of their own risk of bearing a child with a congenital disorder

       

   Higher than average

54

40.6†

28

37.4

32.6

4.8

[1.5–8.0]

   Average

316

36.4

152

36.9

33.5

3.4

[2.1–4.8]

   Lower than average

94

33.7

42

34.1

30.3

3.9

[0.2–7.4]

Subjective perception of height of estimated risk

       

   High

40

42.2 †

19

40.2

33.5

6.7

[2.8–11.6]

   Average

297

36.4

144

36.8

32.6

4.2

[2.6–5.6]

   Low

119

33.7

54

33.9

33.0

0.9

[-1.0–3.3]

How many prevention measures women thought were available

       

   Many

189

35.8

92

35.1

31.6

3.5

[1.6–5.3]

   Average

145

37.6

72

37.6

32.5

5.1

[3.0–7.3]

   Few

85

34.9

39

35.9

34.1

1.8

[-0.6–4.2]

   Do not know

33

36.3

19

38.2

37.0

1.2

[-4.2–6.6]

Estimated level of knowledge of prevention measures

       

   High

143

34.5‡

59

33.5

31.5

2.0

[-0.3–4.4]

   Average

231

36.8

116

37.3

33.4

3.9

[2.3–5.5]

   Low

86

38.2

47

38.2

33.0

5.2

[2.2–8.1]

Number of category II risk factors

       

   0–4

114

33.8 †

55

34.2

30.6

3.6

[1.7–5.4]

   5–9

292

36.5

135

36.5

32.6

3.9

[2.3–5.4]

   10–14

61

40.2

33

39.9

37.1

2.8

[-1.6–7.3]

Number of category III risk factors

       

   0

374

36.3

184

36.5

32.6

3.9

[2.7–5.3]

   1 or more

93

36.5

39

35.8

33.8

2.0

[-1.1–5.1]

  1. *Numbers may differ due to non-response. Test for trend † p-value < 0.0001, ‡ p-value = 0.006.