Table 1.

Clinical and demographic features

	Patients (n = 34)	Controls (n = 32)	t/X 2, P
Age	34.1 ± 9.1	33.4 ± 9.1	t = 0.30, P = 0.76
Gender	25/9	22/10	χ2 = 0.18, P = 0.67
Mean parental NS‐SEC (SD)	2.45 ± 1.5	2.22 ± 1.4	t = 0.24, P = 0.51
Handedness (right/left)	29/5	28/4	χ2 = 0.07, P = 0.79
SOFAS score	54.4 ± 13.2	–	–
Antipsychotic dose (CPZ equivalents)	694.5 ± 715.8	–	–
Median duration of illness in years (range)	6.0 (28)
Total SSPI score	11.8 ± 7.7	–	–