Table 2 Comparisons of demographic and clinical information between birthplace of rural and urban in FES and HCs.

From: Associations between urban birth or childhood trauma and first-episode schizophrenia mediated by low IQ

Variable

FES

HCs

 

Rural

Urban

Rural

Urban

Male sex, n (%)

45 (52.33)

19 (32.76)*

47 (32.87)

35 (30.97)

Age (mean, SD)

22.35 (5.57)

23.14 (7.04)

24.50 (5.76)

22.71 (4.23)**

BMI (mean, SD)

20.47 (2.93)

21.11 (3.70)

20.62 (2.62)

21.09 (3.29)

Education (years) (mean, SD)

11.70 (2.60)

13.40 (2.53)***

15.75 (2.60)

15.76 (1.84)

CTQ (mean, SD)

43.61 (13.21)

42.86 (13.80)

32.01 (12.16)

32.09 (6.83)

FSIQ (mean, SD)

92.21 (13.40)

100.34 (13.82)***

113.71 (11.75)

121.10 (8.58)***

DUP (months) (mean, SD)

15.64 (18.86)

14.47 (20.49)

–

–

Age of onset (mean, SD)

21.46 (5.48)

22.43 (7.25)

–

–

GAF (mean, SD)

45.96 (11.91)

50.40 (12.68)*

–

–

PANSS (mean, SD)

  

–

–

Positive score

23.28 (5.98)

21.23 (6.30)*

–

–

Negative score

23.09 (7.49)

20.14 (7.66)*

–

–

General score

44.17 (10.02)

38.32 (10.75)***

–

–

Total score

90.55 (18.79)

79.68 (20.25)***

–

–

  1. FES first-episode schizophrenia, HCs healthy controls, BMI body mass index, CTQ childhood trauma questionnaires, FSIQ the full scale of IQ, DUP duration of untreated psychosis, GAF global assessment function, PANSS Positive and Negative Syndrome Scale, SD standard deviation.
  2. *P < 0.05; **P < 0.01; ***P < 0.001.
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