Table 1.

Sex difference in demographic information between healthy controls and schizophrenia patients

	Controls		Patients		Diagnosis, F (p)	Sex, F (p)	Diagnosis × sex, F (p)
	Male (n = 80)	Female (n = 55)	Male (n = 76)	Female (n = 43)
Age (years)	28.65 ± 7.63	29.69 ± 7.87	29.68 ± 6.96	28.83 ± 7.67	0.009 (0.93)	0.02 (0.92)	0.95 (0.33)
Education (years)a,b,c	13.92 ± 2.07	9.69 ± 2.65	11.55 ± 2.90	11.86 ± 3.98	0.07 (0.80)	28.37 (< 0.001)	37.99 (< 0.001)
BMId	23.57 ± 3.62	22.72 ± 3.24	22.21 ± 2.92	23.71 ± 3.61	0.19(0.67)	0.56 (0.45)	7.44 (0.007)
Smokinge	8 (10.0%)	1 (1.8%)	11 (14.5%)	1 (2.3%)	-	-	-

2 × 2 ANCOVA was applied to compare sex difference in each variable

^aSignificant differences between male patients and male controls

^bSignificant differences between female patients and female controls

^cSignificant differences between male and female controls

^dSignificant differences between male and female patients

^eFisher’s exact test