Table 1 Demographic, clinical, and cognitive characteristics and comparisons between CHR and HC

Cases (n, %)

764

771

-

-

Age (years)

22.45

4.851

18.79

5.127

14.344

 < 0.001

Male (n, %)

359

47.0%

346

44.9%

0.690

0.406

Female (n, %)

405

53.0%

425

55.1%

Education (years)

14.36

3.066

10.82

3.144

22.330

 < 0.001

Father education (years)

11.02

3.381

10.97

3.634

0.263

0.793

Mother education (years)

10.27

3.715

10.37

3.916

 − 0.514

0.607

Family history (none) (n, %)

-

-

577

74.8%

-

-

Family history (low-risk) (n, %)

-

-

151

19.6%

Family history (high-risk) (n, %)

-

-

43

5.6%

GAF score

-

-

57.21

8.047

-

-

Positive symptoms

-

-

9.09

3.716

-

-

Negative symptoms

-

-

11.53

5.799

-

-

Disorganization symptoms

-

-

5.32

3.166

-

-

General symptoms

-

-

8.25

3.514

-

-

SIPS total score

-

-

34.21

11.848

-

-

Trail Making A

28.85

10.479

33.79

13.936

 − 7.836

 < 0.001

BACS symbol coding

64.93

10.095

56.97

10.439

15.182

 < 0.001

HVLT-R

26.59

4.176

24.28

5.151

9.675

 < 0.001

WMS-3 spatial span

16.69

2.951

15.37

3.190

8.423

 < 0.001

NAB mazes

19.38

4.885

17.34

6.018

7.306

 < 0.001

BVMT-R

28.35

5.342

26.27

6.399

6.909

 < 0.001

Category fluency

23.65

5.671

20.26

5.726

11.642

 < 0.001

CPT-IP

2.91

0.655

2.45

0.797

12.460

 < 0.001