Abstract
The article presents the research on the impact of specific factors on the state of the pressure value in passenger car wheels in service. Data on how the vehicle was used was obtained based on a survey. The survey contained data on checking the condition of the vehicle tires and also measured the tire pressure. The aim of the study was to investigate the relationship between the impact of specific factors on the state of the pressure value in passenger car wheels. The correlation analysis of the correctness of pressure in car tires and selected factors was carried out using the Kendall tau test. In addition, odds ratio (OR) analysis and the Hosmer and Lemeshow test were used to analyze the results. The work draws attention to the impact of improper tire pressure on tire durability and road safety as well as the functioning of other active safety systems. In addition, attention was drawn to drivers' awareness of the need to control the pressure in the wheels of the vehicle. Based on the analysis it was found that the age of the vehicle used and the driver's knowledge have the greatest impact on the correct tire pressure. Studies have shown that in over 60% of the vehicles analyzed, the tire pressure was normal.
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