Table 3.

Clinical dimensions obtained from SANS and SAPS. Item loadings after VARIMAX rotation. Bold type indicates the item loadings that contribute to each dimension (an item loading is counted into a specific dimension if its value >0.4).

		Dimension
		1	2	3	4	5	6
		Affective flattening and alogia	Auditory, somatic and visual hallucinations, and first rank and paranoid delusions	Formal thought disorders	Avolition and social isolation	Bizarre behaviour	Olfactory hallucinations and other delusions
Eigenvalue		12.5	7.3	3.7	2.04	1.9	1.5
% of variance		25.1	14.7	7.3	4.1	3.7	3
Items	Facial expression	0.80	0.05	0.003	0.37	0.03	0.004
	Spontaneous movements	0.83	0.01	−0.04	0.23	0.02	−0.09
	Expressive gestures	0.84	0.04	−0.05	0.34	0.01	0.01
	Eye contact	0.79	0.04	0.09	0.20	0.17	−0.10
	Affective non-responsiveness	0.79	0.04	0.001	0.34	0.09	0.005
	Vocal inflections	0.84	−0.009	0.02	0.27	0.07	0.11
	Poverty of speech	0.74	−0.09	0.13	0.19	0.35	−0.03
	Poverty of content	0.64	−0.10	0.31	0.27	0.24	0.10
	Blocking	0.49	0.09	0.33	−0.08	0.25	0.05
	Latency of response	0.71	−0.02	0.14	0.07	0.27	−0.13
	Grooming and hygiene	0.38	0.07	0.13	0.34	0.42	0.17
	Impersistence at work	0.23	−0.01	0.04	0.60	0.20	0.08
	Physical anergia	0.37	0.08	0.07	0.64	0.01	−0.04
	Recreational interests	0.36	0.16	0.07	0.71	0.073	−0.04
	Sexual interest	0.38	0.05	0.02	0.66	0.01	0.05
	Intimacy and closeness	0.38	0.12	0.11	0.67	0.15	0.07
	Relationship with friends	0.37	0.11	0.08	0.72	0.03	0.03
	Social inattentiveness	0.49	0.001	0.34	0.33	0.42	0.02
	Inattentiveness during testing	0.30	−0.05	0.26	0.29	0.46	0.03
	Auditory hallucinations	−0.13	0.72	0.06	0.24	0.16	0.07
	Voices commenting	−0.20	0.75	0.11	0.16	0.09	−0.03
	Voices conversing	−0.08	0.75	0.16	0.15	0.08	0.09
	Somatic hallucinations	0.03	0.51	0.12	0.18	0.13	0.41
	Olfactory hallucinations	0.01	0.29	0.05	0.26	0.06	0.48
	Visual hallucinations	−0.02	0.50	0.06	0.12	0.19	0.39
	Persecutory delusions	−0.07	0.75	0.04	0.16	0.17	0.12
	Delusions of jealously	0.08	0.05	−0.03	−0.12	0.16	0.55
	Delusions of guilt	−0.12	0.08	0.02	0.0001	0.12	0.46
	Grandiose delusions	−0.05	0.08	0.06	0.03	0.05	0.61
	Religious delusions	0.002	0.19	0.04	−0.02	−0.09	0.68
	Somatic delusions	0.002	0.37	0.17	0.15	0.07	0.52
	Delusions of reference	−0.07	0.71	−0.04	0.09	0.17	0.11
	Delusions of being controlled	0.06	0.77	0.19	0.01	0.06	0.16
	Delusions of mind reading	0.14	0.78	0.06	−0.08	−0.004	0.12
	Thought broadcasting	0.14	0.75	0.07	−0.13	−0.01	0.07
	Thought insertion	0.13	0.78	0.04	−0.03	0.004	0.13
	Thought withdrawal	0.15	0.77	0.06	−0.14	−0.06	0.10
	Clothing and appearance	0.24	0.21	0.23	−0.12	0.57	0.07
	Social and sexual behaviour	0.22	0.25	0.17	0.08	0.59	0.15
	Aggressive behaviour	0.09	0.26	0.02	0.13	0.49	0.20
	Stereotyped behaviour	0.19	0.11	0.05	0.21	0.54	0.29
	Derailment	0.26	0.21	0.74	0.08	0.01	0.22
	Tangentiality	0.27	0.16	0.66	0.15	0.06	0.26
	Incoherence	0.27	0.04	0.76	−0.01	0.08	0.11
	Illogicality	0.25	0.14	0.71	0.02	−0.005	0.19
	Circumstantiality	−0.19	0.14	0.68	−0.04	0.05	−0.07
	Pressure of speech	−0.26	0.10	0.60	0.09	0.04	0.04
	Distractible speech	0.16	−0.04	0.61	0.16	0.33	−0.06
	Clanging	−0.06	0.04	0.54	0.07	0.26	−0.15
	Inappropriate affect	0.17	0.09	0.48	−0.05	0.51	−0.06