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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