Volume 4, Issue 1 (Volume 4, Number 1, (Journal of Occupational Hygiene Engineering, Spring 2017) 2017)                   johe 2017, 4(1): 26-34 | Back to browse issues page


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Alimohammadi I, Yaghubi K, Aboulghasemi J, Shirin Shandiz M, Aboutaleb N, Ashtarinezhad A. The effect of Noise on blood pressure and heart rate in an automotive industry. johe. 2017; 4 (1) :26-34
URL: http://johe.umsha.ac.ir/article-1-270-en.html

Associate professor Iran University of Medical Sciences , irajrastin1@gmail.com
Abstract:   (998 Views)

Introduction: One of the possible effects of occupational exposure to high noise is high blood pressure and cardiovascular disease. Aim of this study was to investigate the association between noise with blood pressure and heart rate in an automotive industry.

Methods: 78 male workers who worked in an automobile factory, were participated. Blood pressure and heart rate were measured in the morning and in the middle of the day. All measurements were performed at three noise levels: 85-95, 75-85 and 65-75 dB. All data were analyzed using SPSS and MATLAB.

Results: Post Hoc test showed that noise has the same effect on the average systolic and diastolic blood pressure (p= o.733) but Box-whisker plot showed that after exposure, the variation range of blood pressure and heart rate are much more than the other groups. However, this project didn’t show any a specific correlation between the increase in noise level with heart rate but variance analysis showed that the noise level increase lead to changes in heart rate (p= 0.049).

 Conclusions: Noise level in 75-85dB as same as 85-95 dB caused the changes in blood pressure and heart rate. Due to cardiovascular disease, it is recommended training programs for workers, reduced noise level and periodic monitoring of blood pressure of workers, especially with a history of hypertension.

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Type of Study: Research Article | Subject: Special

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