Volume 15, Issue 4 (Jul & Aug-In Press 2025)
J Research Health 2025, 15(4): 10-10 |
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Ethics code: IR.MUBAM.REC.1400.019
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Fazli Z, Mohammadian F, Ghorbanpour N, Firouzeh N. The effect of stress caused by occupational noise on the salivary cortisol levels of weaving industry workers: A quasi-experimental study. J Research Health 2025; 15 (4) :10-10
URL: http://jrh.gmu.ac.ir/article-1-2569-en.html
URL: http://jrh.gmu.ac.ir/article-1-2569-en.html
1- Department of Occupational Health Engineering and safety, School of Public Health and Safety, Bam University of Medical Sciences, Bam, Iran
2- Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
3- Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran ,Nimafirouzeh4@gmail.com
2- Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
3- Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran ,
Abstract: (277 Views)
Background: Machines with reciprocating movements in the textile industry produce noise and stress. In response to stress, the body releases cortisol at high levels. Therefore, this study was designed to investigate the effects of industrial noise on salivary cortisol and stress in workers.
Methods: This research is a quasi-experimental and cross-sectional study involving 53 workers in the weaving industry in the southern region of Iran.
Workers' stress was evaluated subjectively through OSIPO's standard job stress questionnaire and objectively by measuring cortisol hormone levels in saliva samples using the Cobas radioimmunoassay kit. We use the sound level meter to measure noise on two consecutive days (working day and rest day).
Results: The average noise level of the workplace and the resting place was 92.01 dB and 51.52 dB. There is a significant difference in salivary cortisol levels between the working morning groups (5.596±1.74 μg/dL) and the morning resting groups (1.41±3.99 μg/dL) and between the working evening (5.4593±1.72 μg/dL) and the resting evening (3.5519±1.43 μg/dL) group. Therefore, salivary cortisol levels were more significant in both groups on working days than rest days. The workload score in the questionnaire revealed significant difference between the two groups of men and women regarding job stress (p= 0.006).
Conclusions: The evidence showed that workplace noise can have a negative effect on cortisol regulation and cause stress. It is believed that this disorder is related to increased sensitivity to sound. Therefore, noise exposure should be recognized as a nonspecific stress that activates the autonomic nervous system.
Methods: This research is a quasi-experimental and cross-sectional study involving 53 workers in the weaving industry in the southern region of Iran.
Workers' stress was evaluated subjectively through OSIPO's standard job stress questionnaire and objectively by measuring cortisol hormone levels in saliva samples using the Cobas radioimmunoassay kit. We use the sound level meter to measure noise on two consecutive days (working day and rest day).
Results: The average noise level of the workplace and the resting place was 92.01 dB and 51.52 dB. There is a significant difference in salivary cortisol levels between the working morning groups (5.596±1.74 μg/dL) and the morning resting groups (1.41±3.99 μg/dL) and between the working evening (5.4593±1.72 μg/dL) and the resting evening (3.5519±1.43 μg/dL) group. Therefore, salivary cortisol levels were more significant in both groups on working days than rest days. The workload score in the questionnaire revealed significant difference between the two groups of men and women regarding job stress (p= 0.006).
Conclusions: The evidence showed that workplace noise can have a negative effect on cortisol regulation and cause stress. It is believed that this disorder is related to increased sensitivity to sound. Therefore, noise exposure should be recognized as a nonspecific stress that activates the autonomic nervous system.
Type of Study: Orginal Article |
Subject:
● Health Systems
Received: 2024/06/10 | Accepted: 2024/10/16 | Published: 2025/06/20
Received: 2024/06/10 | Accepted: 2024/10/16 | Published: 2025/06/20
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