Cross-Sectional Study on Occupational Noise and Hypertension in the Workplace

Inoue, Masaiwa; M, Laskar; Harada, Noriaki

doi:10.3200/aeoh.60.2.106-110

Cited by 24 publications

(26 citation statements)

References 12 publications

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“…The abnormal rate of it in our study presents that there may be no associations with occupational noise. The result is not in concordance with some previous studies which showed no relations between noise exposure and hypertension or cardiovascular diseases [29][30][31]. This may be as a result of the data only collected from a company, and in order to achieve a more credible conclusion, further research on general population is needed in our team.…”

Section: Discussioncontrasting

confidence: 49%

A cross-sectional study on the effects of occupational noise exposure on hypertension or cardiovascular among workers from automobile manufacturing company of Chongqing, China

Wang¹,

Qin²,

Liu³

et al. 2013

JBiSE

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For the past few years, noise pollution has been more and more serious, and it may lead to several diseases. While the humans expose to noise in quantity for a long time, their blood pressure will change, and even cause changes in cardiac function. In our study, we attempt to find the relationship between occupational noise and hypertension and impaired hearing, cardiac function. It may be helpful to obtain some useful information on occupational noise exposure of humans. The participants were divided into noisy group ≥90 dB (A) and non-noisy group ≤70 dB (A). We performed this research in an automobile manufacturing company of Chongqing, China during 2011-2012. Our study showed that there may be positive associations between occupational noise and hypertension and impaired hearing, but no conclusion can be drawn between occupational noise and ECG.

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Section: Discussioncontrasting

confidence: 49%

A cross-sectional study on the effects of occupational noise exposure on hypertension or cardiovascular among workers from automobile manufacturing company of Chongqing, China

Wang¹,

Qin²,

Liu³

et al. 2013

JBiSE

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“…The associations between occupational noise exposure and hypertension have been extensively investigated [6, 13, 20–25], however, the findings are still inconsistent. In this study, using frequency-matched external and internal control groups as references, we found that noise exposure elevated the blood pressure and the risk of hypertension.…”

Section: Discussionmentioning

confidence: 99%

“…Significant positive associations were found in cohort study [12, 20, 21] and cross-sectional studies [22, 23]. However, negative associations were also found in other studies [24, 25]. These inconsistent findings might be attributed to the study design, population, exposure evaluation, and modification of potential confounding factors.…”

Section: Introductionmentioning

confidence: 97%

Noise exposure in occupational setting associated with elevated blood pressure in China

Chen

Zhang³

et al. 2017

BMC Public Health

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BackgroundHypertension is the primary out-auditory adverse outcome caused due to occupational noise exposure. This study investigated the associations of noise exposure in an occupational setting with blood pressure and risk of hypertension.MethodsA total of 1,390 occupational noise-exposed workers and 1399 frequency matched non-noise-exposed subjects were recruited from a cross-sectional survey of occupational noise-exposed and the general population, respectively. Blood pressure was measured using a mercury sphygmomanometer following a standard protocol. Multiple logistic regression was used to calculate the odds ratio (OR) and 95% confidence interval (CI) of noise exposure adjusted by potential confounders.ResultsNoise-exposed subjects had significantly higher levels of systolic blood pressure(SBP) (125.1 ± 13.9 mm Hg) and diastolic blood pressure (DBP) (77.6 ± 10.7 mm Hg) than control subjects (SBP: 117.2 ± 15.7 mm Hg, DBP: 70.0 ± 10.5 mm Hg) (P < 0.001). Significant correlations were found between noise exposure and blood pressure (SBP and DBP) (P < 0.001). However, the linear regression coefficients with DBP appeared larger than those with SBP.The prevalence of hypertension was 17.8% in subjects with noise exposure and 9.0% in control group (P < 0.001). Compared with the control group, the subjects with noise exposure had the risk of hypertension with an OR of 1.941 (95% CI = 1.471– 2.561) after adjusting for age, sex, smoking, and drinking status. Dose–response relationships were found between noise intensity, years of noise exposure, cumulative noise exposure and the risk of hypertension (all P values < 0.05). No significant difference was found between subjects wearing an earplug and those not wearing an earplug, and between steady and unsteady noise categories (P > 0.05).ConclusionsOccupational noise exposure was associated with higher levels of SBP, DBP, and the risk of hypertension. These findings indicate that effective and feasible measures should be implemented to reduce the risk of hypertension caused by occupational noise exposure.

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“…Although some studies linked occupational noise exposure to hypertension (9)(10)(11)(12), the epidemiologic evidence was not consistent (13,14). Owing to dominant confounding factors such as lifestyle and genetic predisposition, it is difficult to accurately assess the contribution of occupational noise to hypertension.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of hypertension and noise-induced hearing loss in Chinese coal miners

Liu

Ding

et al. 2016

J. Thorac. Dis.

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Background: Owing to inconsistent epidemiologic evidence and the presence of confounding factors, the relation between occupational noise exposure and hypertension still remained unclear. We aimed to assess whether Chinese coal miners were at risk of developing hypertension and noise induced hearing loss (NIHL), and whether occupational noise exposure was a risk factor of hypertension. Methods: A questionnaire was designed to collect information from 738 study participants, all of whom were employees from the Datun Xuzhou Coal Company. The participants were divided into a noise-exposed group and a control group based on the noise level to which they were exposed in the workplace. The differences in the mean of systolic blood pressure (SBP) and diastolic blood pressure (DBP) were compared between the noise-exposed and control groups. Also the prevalence and age-adjusted odds ratio (OR) [95% confidence intervals (CIs)] of audiometric deficit and hypertension was compared in the study. Binary logistic regression was used to assess the relation between occupational noise level and hypertension while controlling for potential confounding factors. Results: Hypertension was more prevalent in noise-exposed group than the control group, 29.2% vs. 21.2% (P=0.012).The noise-exposed group faced an increased risk of hypertension (age-adjusted OR =1.52, 95% CI =1.07-2.15) when the control group was used as reference. The mean values of SBP and DBP of the noise-exposed groups were significantly higher than the control group (P=0.006 and P=0.002 respectively).Hearing loss at low frequencies was significantly more prevalent in the noise-exposed group than the control group, 12.8% vs. 7.4% (P=0.015), while the noise-exposed group faced the increased risk of hearing loss at low frequencies (age-adjusted OR =1.81, 95% CI =1.10-2.96). L EX, 8h (OR =1.036, 95% CI =1.012-1.060) was an independent risk of hypertension when controlling for potential confounding factors. Conclusions: We found that the occupational noise had an effect on the hypertension and hearing loss of Chinese coal miners. And the occupational noise was an independent risk factor for hypertension and could increase the values of SBP and DBP.

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Cross-Sectional Study on Occupational Noise and Hypertension in the Workplace

Cited by 24 publications

References 12 publications

A cross-sectional study on the effects of occupational noise exposure on hypertension or cardiovascular among workers from automobile manufacturing company of Chongqing, China

A cross-sectional study on the effects of occupational noise exposure on hypertension or cardiovascular among workers from automobile manufacturing company of Chongqing, China

Noise exposure in occupational setting associated with elevated blood pressure in China

Prevalence of hypertension and noise-induced hearing loss in Chinese coal miners

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