Skip to main content

Table 3 Rotated factor loadings of the 1- and 2-factor model

From: Decomposing the heterogeneity of depression at the person-, symptom-, and time-level: latent variable models versus multimode principal component analysis

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

  1. QIDS quick inventory of depressive symptomatology
  2. Loadings after oblique Geomin rotation
  3. Factor loadings were boldfaced to indicate to which factor the corresponding item belongs to