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Convergent validity of vision based technology (VBT) among professional bus drivers
Rachel Shichrur1, Navah Z Ratzon2
1Ariel University, School of Health Sciences, the Occupational Therapy Department, Ariel, Israel; Tel Aviv University, Sackler Faculty of Medicine, School of Health Professions, Department of Occupational Therapy, Tel Aviv, Israel.
Journal of Safety Research
|August 28, 2022
Summary
Vision-Based Technology (VBT) effectively identifies risky driving behaviors in professional bus drivers. This advanced in-vehicle data recorder system correlates with crash involvement, enhancing road safety.
Area of Science:
- Road safety research
- Transportation engineering
- Human factors in driving
Background:
- Assessing crash risk often relies on indirect measures due to crash rarity.
- In-Vehicle Data Recorder (IVDR) systems are increasingly used to capture driving behaviors.
- Vision-Based Technology (VBT) monitors specific hazardous events like near-misses.
Purpose of the Study:
- To validate Vision-Based Technology (VBT) as a reliable indicator of crash involvement risk.
- To assess the convergent validity of VBT data against traditional crash risk proxies.
- To evaluate VBT's utility in understanding driver safety among professional bus drivers.
Main Methods:
- Analysis of VBT data from 61 professional bus drivers.
- Correlation analysis between VBT scores, official crash records, public complaints, and self-reports.
- Binary-logistic regression modeling to determine crash risk factors and odds ratios.
Main Results:
- Significant correlations found between VBT risk scores and official crash records, complaints, and self-reports.
- Binary-logistic regression model achieved 90% sensitivity and 60% specificity in classifying crash involvement.
- VBT total risk score was the sole significant predictor of crash risk, increasing odds by 1.55 per point.
Conclusions:
- This study provides the first empirical evidence validating VBT as an indicator of crash involvement and driver safety for professional bus drivers.
- VBT technology offers a valuable tool for understanding and intervening in risky driving behaviors within this occupational group.
