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Ansari Moghadam A, Gorgani M, Mahmudimanesh M, Teimori-Boghsani G, Ghaysar Koushki K. Investigating changes in hearing thresholds among heavy vehicle drivers between 2018 and 2023. jmsthums 2025; 13 (1) :59-69
URL: http://jms.thums.ac.ir/article-1-1403-en.html
URL: http://jms.thums.ac.ir/article-1-1403-en.html
Ali Ansari Moghadam1 
, Mohsen Gorgani2 , Marzieh Mahmudimanesh3 , Gholamheidar Teimori-Boghsani4 , Khadijeh Ghaysar Koushki1
, Mohsen Gorgani2 , Marzieh Mahmudimanesh3 , Gholamheidar Teimori-Boghsani4 , Khadijeh Ghaysar Koushki1
1- Department of Occupational Health and Safety Engineering, Esfarayen Faculty of Medical Sciences, Esfarayen, Iran
2- Department of Occupational Health Engineering, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of public health, Esfarayen Faculty of Medical Sciences, Esfarayen, Iran
4- Department of Occupational Health and Safety Engineering, School of Health, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
2- Department of Occupational Health Engineering, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
3- Department of public health, Esfarayen Faculty of Medical Sciences, Esfarayen, Iran
4- Department of Occupational Health and Safety Engineering, School of Health, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
Abstract: (830 Views)
Background & Aim: Drivers of light vehicles, semi-heavy, and heavy vehicles constitute an occupational group exposed to workplace noise. This study was done to investigate the change in hearing threshold caused by noise exposure and to identify the extent of hearing loss among drivers of intercity vehicles.
Methods: In this descriptive-analytical study, occupational health records of drivers of freight and passenger transport services were investigated in Esfarayen County from 2018 to 2023. 101 intercity drivers who had audiometric records for the two mentioned years were randomly selected. Driver audiometry test results were written down, and data were analyzed using SPSS software version 25 using independent t-test, paired t-test, correlation coefficients, and linear regression.
Results: The findings showed that hearing loss among freight drivers correlated significantly with demographic parameters, including age, body mass index, and systolic blood pressure (P < 0.05). Comparison of hearing loss from 2018 to 2023 showed that hearing loss has increased in both freight and passenger driver groups after five years, but there was no significant difference in overall hearing loss between the two groups (P>0.05).
Conclusion: Based on this study, despite having a statistically significant increase in hearing loss in 2023 compared to 2018, the average hearing loss among drivers is still within normal limits. Therefore, drivers should have regular hearing check-ups and educational campaigns on the prevention of hearing damage.
Methods: In this descriptive-analytical study, occupational health records of drivers of freight and passenger transport services were investigated in Esfarayen County from 2018 to 2023. 101 intercity drivers who had audiometric records for the two mentioned years were randomly selected. Driver audiometry test results were written down, and data were analyzed using SPSS software version 25 using independent t-test, paired t-test, correlation coefficients, and linear regression.
Results: The findings showed that hearing loss among freight drivers correlated significantly with demographic parameters, including age, body mass index, and systolic blood pressure (P < 0.05). Comparison of hearing loss from 2018 to 2023 showed that hearing loss has increased in both freight and passenger driver groups after five years, but there was no significant difference in overall hearing loss between the two groups (P>0.05).
Conclusion: Based on this study, despite having a statistically significant increase in hearing loss in 2023 compared to 2018, the average hearing loss among drivers is still within normal limits. Therefore, drivers should have regular hearing check-ups and educational campaigns on the prevention of hearing damage.
Type of Study: Research |
Subject:
Special
Received: 2024/08/8 | Accepted: 2025/01/15 | Published: 2025/03/21
Received: 2024/08/8 | Accepted: 2025/01/15 | Published: 2025/03/21
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