Table 1.

Demographic and clinical assessment

Variable (mean ± S.D.)	Control group	SPD group	P
	(n = 17)	(n = 19)
Age (years)	19.71 ± 0.71	19.98 ± 0.82	0.305
Gender (M/F), n	16/1	17/2	-
SCL-90 total score	24.82 ± 22.18	114.42 ± 65.83	<0.001*
SPD total score	11.71 ± 4.09	47.42 ± 9.37	<0.001*
SPD subscale:
1. Ideas of Reference	2.76 ± 1.60	7.11 ± 1.94	<0.001*
2. Social Anxiety	0.65 ± 0.93	5.58 ± 1.84	<0.001*
3. Odd Beliefs/Magical Thinking	1.29 ± 1.21	3.89 ± 1.76	<0.001*
4. Unusual Perceptual Experiences	1.12 ± 1.65	5.84 ± 2.63	<0.001*
5. Eccentric/Odd Behavior and Appearance	0.59 ± 0.71	4.26 ± 1.88	<0.001*
6. No Close Friends	0.94 ± 1.09	4.32 ± 2.21	<0.001*
7. Odd Speech	2.00 ± 1.00	6.95 ± 1.55	<0.001*
8. Constricted Affect	1.59 ± 2.00	4.42 ± 2.04	<0.001*
9. Suspiciousness/Paranoid Ideation	0.76 ± 0.83	5.05 ± 2.48	<0.001*

S.D. standard deviation, M male, F female, SPQ schizotypal personality questionnaire, SPD schizotypal personality disorder

*p < 0.05 significant two-sided testing