Table 5 Correlation Analysis of the Factors Behind Violations/Dangerous Driving Styles of People with Schizophrenia (N = 20).

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

Variable

TMTA

CPT:C a)

CPT:R

CPT:C b)

WMS

ZMT

UFOV

DIEPS

CPZeq

Average speed

Average maximum speed per trip

Factor 1 (Speed violation)

−0.335

−0.390

0.401

0.323

−0.013

−0.118

−0.241

0.057

0.153

0.382

0.570*

Factor 2 (Inattention violation)

−0.458

−0.237

−0.042

−0.640*

−0.041

−0.270

−0.545*

−0.143

−0.260

−0.436

−0.418

Factor 3 (Inhibition violation)

0.270

0.029

0.290

−0.214

0.226

0.007

0.100

0.294

0.103

−0.344

−0.138

sudden braking

−0.204

−0.715**

0.177

0.421

−0.272

0.263

0.261

0.637*

0.126

−0.300

0.230

  1. *<0.05; **<0.01.
  2. Factor 1: Speeding (>20 km/h), Speeding (>30 km/h), and Sudden steering.
  3. Factor 2: Running red lights, Ignoring stop signs, Lane departures, and Traffic violations occurring within intersections.
  4. Factor 3: Distracted driving.
  5. Trail making test A: TMT; (a) Continuous performance test: Correct answer rate: CPT:C; Continuous performance test: Reaction time: CPT:R; (b) Continuous performance test: Coefficient of variation CPT:C; Wechsler memory test (visual memory I): WMS; Zoo map tests: ZMT; Useful field of view: UFOV; Drug-Induced Extrapyramidal Symptoms Scale: DIEPS; Chlorpromazine equivalent: CPZeq.
  6. Control variables: Education, TMTA, CPT:Reaction time, WMS, ZMT, and UFOV. Bold values indicate statistical significance.
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