Table 4.

Rating Scale Items and related loadings generated by Principal Component Analysis (PCA). The scale items Hypochondriasis, Somatic Anxiety, Agitation, and Psychic Anxiety are HDRS-24 items 15, 2, 9, and 10, respectively. Somatic Concern, Tension, and Anxiety are BPRS items 1, 9, and 2, respectively.

Somatic Anxiety = (0.902 × Hypochondriasis) + (0.889 × Somatic Concern) + (0.603 × Anxiety Somatic)

Motoric Anxiety = (0.932 × Agitation) + (0.905 × Tension)

Psychic Anxiety = (0.855 × Anxiety Psychic) + (0.845 × Anxiety)