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Volume 12, Issue 4 (Iranian Journal of Ergonomics 2025)
Iran J Ergon 2025, 12(4): 291-302 |
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Ethics code: IR.UMSU.REC.1402.264
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Hemmatjo R, Ghahramani A, Mahmood Aghbash M. Investigating the Association of Noise Exposure with Occupational Stress and Work Ability among Workers of a Food Processing Plant. Iran J Ergon 2025; 12 (4) :291-302
URL: http://journal.iehfs.ir/article-1-1060-en.html
URL: http://journal.iehfs.ir/article-1-1060-en.html
1- Department of Occupational Health, Faculty of Health, Urmia University of Medical Sciences, Urmia, Iran
2- Department of Occupational Health, Faculty of Health, Urmia University of Medical Sciences, Urmia, Iran ,mansour.ma68@gmail.com
2- Department of Occupational Health, Faculty of Health, Urmia University of Medical Sciences, Urmia, Iran ,
Abstract: (2369 Views)
Objectives: Numerous factors such as job types and conditions, work organizations, and individual characteristics affect work ability of the workers. Furthermore, occupational stress is not solely influenced by individual characteristics; a stressful work environment is also a significant source of stress. Noise has been recognized as one of the major occupational hazards that adversely affects work condition in many industries. In the present study, the association of noise exposure with occupational stress and work ability of the workers in a food processing plant was investigated.
Methods: This descriptive-analytic study was performed on 142 workers of a food processing plant in various work groups. The OSIPOW questionnaire results were utilized to measure occupational stress and the work ability of the workers was determined by Work Ability Index (WAI) questionnaire. Noise exposure of the workers was calculated as a measure of 8-hour time weighted average. The association between noise exposure and work ability was analyzed using Pearson and Spearman correlation tests. Multiple regression test was utilized to analyze the simultaneous effect of variables. Moreover, one-way analysis of variance (one-way ANOVA) was used to analyze the mean difference of independent variables.
Results: The findings demonstrated a significant positive association between noise exposure and stress level across various work groups (P<0.001). Furthermore, a significant negative relationship can be found between noise exposure and work ability of the workers (P<0.001). A simultaneous analysis of variables influencing occupational stress and WAI showed that noise had the most effect. Although occupational stress levels were not significantly different across working groups, mean difference of WAI was significant.
Conclusion: Based on the obtained findings, higher levels of noise exposure may contribute to increased occupational stress and decreased work ability among workers.
Methods: This descriptive-analytic study was performed on 142 workers of a food processing plant in various work groups. The OSIPOW questionnaire results were utilized to measure occupational stress and the work ability of the workers was determined by Work Ability Index (WAI) questionnaire. Noise exposure of the workers was calculated as a measure of 8-hour time weighted average. The association between noise exposure and work ability was analyzed using Pearson and Spearman correlation tests. Multiple regression test was utilized to analyze the simultaneous effect of variables. Moreover, one-way analysis of variance (one-way ANOVA) was used to analyze the mean difference of independent variables.
Results: The findings demonstrated a significant positive association between noise exposure and stress level across various work groups (P<0.001). Furthermore, a significant negative relationship can be found between noise exposure and work ability of the workers (P<0.001). A simultaneous analysis of variables influencing occupational stress and WAI showed that noise had the most effect. Although occupational stress levels were not significantly different across working groups, mean difference of WAI was significant.
Conclusion: Based on the obtained findings, higher levels of noise exposure may contribute to increased occupational stress and decreased work ability among workers.
Keywords: 8-hour time weighted Average noise exposure, Noise, Occupational stress, Work ability index
Type of Study: Research |
Subject:
Environmental Ergonomics
Received: 2024/12/22 | Accepted: 2025/02/28 | ePublished: 2025/02/28
Received: 2024/12/22 | Accepted: 2025/02/28 | ePublished: 2025/02/28
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