Item

1-factor

2-factor

3-factor

I

I

II

I

II

III

1: Loss of interest

0.71

0.25

0.50

0.30

0.39

−0.11

2: Feeling depressed

0.74

0.04

0.79

0.01

1.01

−0.13

3: Sleep change

0.53

0.67

−0.61

0.63

−0.05

0.03

4: Fatigue

0.61

0.84

−0.12

0.78

−0.02

−0.07

5: Appetite change

0.55

0.62

−0.01

0.69

0.02

−0.14

6: Self-blame

0.66

0.04

0.68

0.09

0.48

0.25

7: Concentration difficulty

0.63

0.40

0.26

0.42

0.00

0.39

8: Psychomotor symptoms

0.37

−0.65

0.31

0.08

−0.02

0.75

9: Suicidality

0.33

−0.19

0.53

−0.18

0.34

0.31