Skip to main content

Table 4 Means, standard deviations and range for all outcome measures for the NBO-group (n = 82) and comparison group (n = 114). For the PRFQ means, standard deviations and range is calculated per item

From: Newborn Behavioral Observation, maternal stress, depressive symptoms and the mother-infant relationship: results from the Northern Babies Longitudinal Study (NorBaby)

Outcomes

NBO

(n = 82)

Comparison group

(n = 114)

t-value

p-value

Effect size

M (SD)

Range

M (SD)

Range

Timepoint 4

 EDPS

3.61 (3.12)

0–14.00

3.55 (3.19)

0–13.00

0.41

.68

.059

 PSI – PD

115.91 (18.56)

73.00–158.00

113.56 (21.89)

71.46–193.00

0.67

.50

.097

 PRFQ

  PM

6.66 (0.39)

5.17–7.12

6.54 (0.49)

5.17–7.00

1.72

.09

.249

  CMS

4.11 (0.88)

1.83–6.33

4.03 (0.91)

1.67–6.00

0.81

.42

.117

  IC

5.88 (0.80)

2.67–7.00

6.02 (0.83)

2.67–7.00

−0.97

.33

−.14

 MPAS

82.26 (7.27)

58.50–94.00

82.18 (7.68)

46.40–95.00

0.04

.97

−.006

 MCQ

59.19 (4.03)

47.00–67.00

59.33 (5.75)

36.00–70.00

−0.08

.93

.012

Timepoint 5

 EPDS

3.15 (3.41)

−0.14 - 15.00

3.60 (3.44)

−0.82 - 14.00

−1.23

.22

−.178

 PSI – PD

114.04 (20.87)

73.45–164.00

113.90 (23.52)

68.92–189.00

0.05

.96

.007

 PSI – CD

84.00 (12.63)

57.00–123.00

86.51 (16.75)

53.00–159.00

− 0.41

.68

−.059

 PRFQ

  PM

6.66 (0.37)

5.50–7.00

6.71 (0.38)

4.67–7.09

−0.83

.41

−.12

  CMS

4.26 (0.97)

1.33–6.00

4.36 (1.01)

1.50–6.67

−0.72

.47

−.104

  IC

6.19 (0.64)

4.00–7.00

6.08 (0.73)

3.17–7.00

0.84

.40

.122

 MPAS

84.21 (6.46)

64.70–93.60

83.04 (7.67)

42.30–95.41

0.88

.38

.127

  1. EPDS Edinburgh Postnatal Depression Scale, PSI Parenting Stress Index, PD Parent domain, PRFQ Parental Reflective Functioning Questionnaire, PM Pre-Mentalizing, CMS Certainty about Mental States, IC Interest and Curiosity, MPAS Maternal Postnatal Attachment Scale, MCQ Maternal Confidence Questionnaire, CD Child domain