Volume 15, Issue 3 (10-2025)
J Health Saf Work 2025, 15(3): 574-588 |
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Shahabi Kaseb M, Mahmoudzadeh M, Estiri Z, Mehranian A. The Relationship Between Physical Activity and Commercial Truck Driver Performance: The Mediating Role of Occupational Fatigue. J Health Saf Work 2025; 15 (3) :574-588
URL: http://jhsw.tums.ac.ir/article-1-7207-en.html
URL: http://jhsw.tums.ac.ir/article-1-7207-en.html
1- Department of Motor Behavior, Faculty of Sports Science, Hakim Sabzevari University, Sabzevar, Iran , mr.shahabi@hsu.ac.ir
2- Department of Motor Behavior, Faculty of Sports Science, Hakim Sabzevari University, Sabzevar, Iran
2- Department of Motor Behavior, Faculty of Sports Science, Hakim Sabzevari University, Sabzevar, Iran
Abstract: (1325 Views)
Introduction: Commercial trucking is one of the most challenging occupations, with long work hours, short rest periods, and substantial psychological pressures that contribute to fatigue and deterioration at work. Since regular physical activity is one of the pillars of healthy life and can improve physical and mental functioning, the present study investigated the relationship between physical activity and driver performance with occupational fatigue as a possible mediator.
Material and Methods: The study population was intercity commercial truck drivers in several cities of Razavi Khorasan Province. Using Green’s formula, we calculated a sample size of 140 participants. Data were collected with the Swedish Occupational Fatigue Inventory, the Sharkey Physical Activity Questionnaire, and the Driver Performance Questionnaire (unsafe behaviors). Statistical analyses included Pearson correlation coefficients and multiple regression analyses.
Results: Our results showed a significant positive correlation between occupational fatigue and driver performance problems (P=0.001). Both the correlation between physical activity and work fatigue, and the correlation between physical activity and driver performance were significant negative correlations (P=0.001). In addition, the indirect link between physical activity and driver performance via occupational fatigue was also significantly negative (P=0.001).
Conclusion: Based on our research results, enhanced physical activity contributes to enhanced driver performance (decreased unsafe behaviors) of commercial truck operators, directly and indirectly through decreased occupational fatigue. This study provides scientific evidence for the development of safety policy in the transportation industry of Iran.
Material and Methods: The study population was intercity commercial truck drivers in several cities of Razavi Khorasan Province. Using Green’s formula, we calculated a sample size of 140 participants. Data were collected with the Swedish Occupational Fatigue Inventory, the Sharkey Physical Activity Questionnaire, and the Driver Performance Questionnaire (unsafe behaviors). Statistical analyses included Pearson correlation coefficients and multiple regression analyses.
Results: Our results showed a significant positive correlation between occupational fatigue and driver performance problems (P=0.001). Both the correlation between physical activity and work fatigue, and the correlation between physical activity and driver performance were significant negative correlations (P=0.001). In addition, the indirect link between physical activity and driver performance via occupational fatigue was also significantly negative (P=0.001).
Conclusion: Based on our research results, enhanced physical activity contributes to enhanced driver performance (decreased unsafe behaviors) of commercial truck operators, directly and indirectly through decreased occupational fatigue. This study provides scientific evidence for the development of safety policy in the transportation industry of Iran.
Keywords: Physical activity, Occupational fatigue, Unsafe behaviors, Truck drivers, Commercial vehicles
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