Table 2.

Swedish Scales of Personality (SSP) internal consistency data given as Cronbach’s α for psychotic patients (n = 36) and control subjects (n = 76) at baseline and follow-up

SSP scale	Patients		Controls
	Baseline	Follow-up	Baseline	Follow-up
Somatic Trait Anxiety	0.45	0.52	0.72	0.74
Psychic Trait Anxiety	0.75	0.73	0.85	0.77
Stress Susceptibility	0.69	0.63	0.80	0.78
Lack of Assertiveness	0.77	0.77	0.65	0.71
Impulsiveness	0.64	0.59	0.74	0.76
Adventure Seeking	0.72	0.74	0.82	0.84
Detachment	0.79	0.60	0.77	0.75
Social Desirability	0.66	0.54	0.64	0.56
Embitterment	0.56	0.66	0.78	0.77
Trait Irritability	0.76	0.80	0.79	0.77
Mistrust	0.78	0.68	0.86	0.84
Verbal Trait Aggression	0.80	0.72	0.73	0.74
Physical Trait Aggression	0.80	0.80	0.87	0.84