Table 2. Descriptive Statistics of SAPS Delusion Items, and Principal Component Analysis Results.

			Factors^a and Factor Loadings

SAPS item delusion	n (%) ≥ 2 (mild)	mean±SD	1	2	3	4	5
Persecutory	182 (74.3)	2.64±1.60	0.10	-0.20	0.78^*	0.05	0.11
Jealousy	25 (10.2)	0.27±0.69	-0.03	0.08	0.24	0.48^*	-0.09
Sin or Guilt	32 (13.0)	0.47±0.93	0.04	-0.02	-0.01	0.86^*	0.11
Grandiose	113 (46.2)	1.39±1.44	0.06	0.77^*	0.16	-0.18	0.22
Religious	87 (35.6)	1.19±1.52	0.14	0.71^*	-0.19	0.33	-0.03
Somatic	44 (18.0)	0.73±1.34	0.08	0.08	0.02	0.02	0.93^*
Reference	165 (67.4)	2.44±1.78	0.05	0.34	0.74^*	0.18	-0.10
Being Controlled	83 (33.9)	1.09±1.42	0.69^*	0.05	0.02	0.20	0.20
Mind Reading	110 (44.9)	1.53±1.68	0.48^*	0.51	0.12	0.05	-0.18
Thought Broadcasting	84 (34.2)	1.20±1.54	0.72^*	0.12	0.18	0.01	-0.12
Thought Insertion	71 (29.0)	1.00±1.39	0.73^*	0.05	0.05	-0.07	0.01
Thought Withdrawal	47 (19.2)	0.63±1.19	0.77^*	0.08	-0.08	-0.07	0.09

Eigenvalues			2.83	1.41	1.20	1.04	1.00

Explained variance (%)			23.6	11.7	10.0	8.6	8.4

Factor 1 was named “Delusions of Influence”; Factor 2 was named “Grandiose/Religious Delusions”; Factor 3 was named “Paranoid Delusions”; Factor 4 was named “Negative Affect Delusions”; Factor 5 was named “Somatic Delusions” Factor loadings > 0.40 are in boldface.

Items loading on the respective factor.