Table 4 Pearson’s zero order correlations between all variables using raw scores.

From: Maternal childhood trauma and perinatal distress are related to infants’ focused attention from 6 to 18 months

 

Timing of measure

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1. LP (6 months)

Postpartum

–

             

2. LP (10 months)

Postpartum

0.33***

–

            

3. LP (18 months)

Postpartum

0.21*

0.31**

–

           

4. LP composite

Postpartum

0.76***

0.79***

0.62***

–

          

5. EPDS w17

Antenatal

–

–

–

–

–

         

6. EPDS w32

Antenatal

–

–

–

–

0.75***

–

        

7. EPDS pw6

Postpartum

–

–

–

–

0.47*****

0.58***

–

       

8. EPDS pm6

Postpartum

–

–

–

–

0.54***

0.57****

0.63***

–

      

9. BAI w17

Antenatal

–

–

–

–

0.74***

0.60***

0.40***

0.37***

–

     

10. BAI w32

Antenatal

–

–

–

–

0.57***

0.68***

0.41***

0.41***

0.76***

–

    

11. BAI pw6

Postpartum

–

–

–

–

0.43***

0.49***

0.62***

0.54***

0.53***

0.54***

–

   

12. BAI pm6

Postpartum

–

–

–

–

0.37***

0.49***

0.40***

0.59***

0.52***

0.53***

0.66***

–

  

13. LITE IP

Postpartum

–

–

–

–

0.22*

0.24*

0.25**

0.25*

0.21*

0.19*

0.34***

–

–

 

14. LITE nIP

Postpartum

–

−0.17+

−0.35***

−0.26**

–

–

–

–

–

–

–

–

0.34***

–

Skewness

–

−0.87

−0.52

−0.85

−0.47

0.95

0.97

0.79

0.95

1.47

1.06

1.45

1.57

0.95

0.97

Kurtosis

–

1–52

−0.16

1.09

−0.03

0.68

1.33

0.01

0.88

2.46

1.12

1.90

2.40

0.68

1.33

VIF 1

–

NA

NA

NA

NA

5.24

3.95

2.50

2.86

4.23

2.83

2.78

2.98

1.24

1.23

VIF 2

–

NA

NA

NA

NA

2.05

1.43

1.40

1.54

2.01

1.47

1.50

1.50

1.13

1.07

MSA

–

NA

NA

NA

NA

0.70

0.71

0.76

0.77

0.72

0.72

0.77

0.77

0.42

0.43

  1. + p < 0.1, * p < 0.05, ** p < 0.01, *** p < 0 .001 with Benjamini–Hochberg correction. Abbreviations: LP, look percentage; LP composite, mean look percentage of three age points; EPDS, Edinburgh Postnatal Depression Scale; BAI, Beck Anxiety Inventory; LITE, Lifetime Incidence of Traumatic Events; VIF, variance inflation factor (using LP as an outcome, other 10 variables as predictors; VIF 1 is calculated all with raw scores; VIF 2 is calculated with factor scores of EPDS and BAI and composite scores of LITE); MSA, measure of sampling adequacy according to Kaiser–Meyer–Olkin test; w17, pregnancy week 17; w32, pregnancy week 32; pv6, postpartum 6 weeks; pm6, postpartum 6 months; IP, interpersonal events; nIP, non-interpersonal events; NA: not applicable, as LP 6, 10, and 18 months were used as dependent variables.
Back to article page