Table 2 Demographics and clinical characteristics of healthy control, genetic high risk, and schizophrenia in cross-sectional study

Demographic characteristic

 Age at scans (year)

28.28 (7.83)

25.29 (8.24)

23.09 (8.23)

11.18

 < 0.001

 Gender (male/female)

58/87

43/32

22/56

13.57

0.001

 BMI

22.19 (3.63)

22.69 (4.11)

23.39 (4.33)

2.28

0.104

Clinical characteristic

 Duration of illness (months)

N/A

N/A

25.05 (40.70)

 First episode (yes/no)

N/A

N/A

55/23

 Medication (yes/no)

N/A

N/A

66/12

 BPRS

n = 131

n = 72

n = 77

18.44 (1.03)

18.93 (2.06)

31.73 (10.92)

140.07

 < 0.001