Table 4 Factor structure of the EPDS using principal component analysis with varimax rotation solution

EPDS items*

1. I have been able to laugh and see the funny side of things

0.07

0.05

0.77

2. I have looked forward with enjoyment to things

0.06

0.07

0.76

3. I have blamed myself

0.64

0.04

0.06

4. I have been anxious or worried for no good reason

0.79

0.09

0.13

5. I have felt scared or panicky for no very good reason

0.78

0.19

- 0.01

6. Thing have been getting on top of me

0.35

0.48

0.34

7. I have been so unhappy that I have had difficulty sleeping

0.37

0.61

- 0.24

8. I have felt sad or miserable

0.52

0.52

0.33

9. I have been so unhappy that I have been crying

0.28

0.76

0.08

10. The thought of harming myself has occurred to me

- 0.19

0.71

0.12

% of variance

33.7

13.1

11.2