Table 2 Demographics and Clinical Details of People with Schizophrenia and Healthy Controls.

From: Characteristics of real-world driving behavior in people with schizophrenia: a naturalistic study utilizing drive recorders

Variable

PWS (N = 20)

HC (N = 20)

Statistics (Z)

p

Age

46.3 ± 11.1 (43)

43.6 ± 13.5 (38.5)

−0.921

0.357

Male (%)

12 (55)

12 (55)

0.000

1.000

Education (years)

12.5 ± 1.9 (12)

14.5 ± 1.8 (16)

−3.116

0.002

Driving experience (years)

17.6 ± 8.6 (19.5)

18.9 ± 11.5 (17.5)

-0.095

0.924

Parking tickets in the past two years (number)

0 ± 0 (0)

0 ± 0 (0)

0.000

1.000

Accidents in the past two years (number)

0.1 ± 0.3 (0)

0 ± 0 (0)

0.000

1.000

Duration of illness (years)

20.9 ± 4.3 (21)

None

  

Chlorpromazine equivalent (mg)

591.7 ± 277 (600)

None

  

Atypical antipsychotics dose (mg)

566.3 ± 297 (600)

None

  

Typical antipsychotic dose (mg)

537.5 ± 194 (537)

None

  

Trail making test A (s)

50.1 ± 13.8 (47)

35.7 ± 10.5 (35.5)

−3.669

0.000

Continuous performance test

Correct answer rate (%)

94.5 ± 8.6 (95)

96.8 ± 2.6 (95.2)

−1.468

0.121

Reaction time (ms)

531.3 ± 110.4 (500)

495.8 ± 96.4 (480)

−2.311

0.021

Coefficient of variation

14.3 ± 4.3 (13)

13.9 ± 4.2 (13.9)

−0.117

0.871

Wechsler memory test (visual memory I)

27.2 ± 8.5 (29)

35.5 ± 4.1 (36.5)

−3.720

0.000

Zoo map tests

9.7 ± 3.2 (9)

13.1 ± 3.7 (16)

−2.609

0.009

Useful field of view

43.9 ± 7.4 (46)

46.5 ± 6.1 (48)

−2.334

0.020

PANSS a) total

48.1 ± 6.2 (49)

None

  

PANSS positive

12.8 ± 3.5 (12)

None

  

PANSS negative

12.1 ± 3.6 (12)

None

  

PANSS general psychopathology

23.2 ± 3.6 (23)

None

  

DIEPSS b)

5.2 ± 3.2 (5)

None

  

Specific Levels of Functioning Scale

98.1 ± 6.6 (97)

None

  
  1. Numbers represent the mean ± standard deviation (median); PWS people with schizophrenia; HC healthy control.
  2. ※χ2 value; a) PANSS: Positive and Negative Syndrome Scale; b) Drug-Induced Extrapyramidal Symptoms Scale. Bold values indicate statistical significance.