|
QIDS item number
|
Item label
|
1-factor model
|
2-factor model
|
|---|
| |
‘Mood/Cognitive’
|
‘Vegetative’
|
|---|
|
1–3
|
Hyposomnia
|
0.35
|
0.37
|
−0.23
|
|
4
|
Hypersomnia
|
0.14
|
0.00
|
0.85
|
|
5
|
Feeling sad
|
0.89
|
0.88
|
0.00
|
|
6/7
|
Changed appetite
|
0.40
|
0.36
|
0.25
|
|
8/9
|
Changed weight
|
0.12
|
0.06
|
0.36
|
|
10
|
Concentration
|
0.85
|
0.88
|
−0.13
|
|
11
|
View of myself
|
0.69
|
0.67
|
0.06
|
|
12
|
Thoughts of death/suicide
|
0.66
|
0.61
|
0.32
|
|
13
|
General interest
|
0.78
|
0.79
|
−0.07
|
|
14
|
Energy level
|
0.69
|
0.69
|
0.01
|
|
15
|
Psychomotor retardation
|
0.56
|
0.56
|
0.02
|
|
16
|
Psychomotor agitation
|
0.39
|
0.41
|
−0.08
|
- QIDS quick inventory of depressive symptomatology
- Loadings after oblique Geomin rotation
- Factor loadings were boldfaced to indicate to which factor the corresponding item belongs to
