Noise burden and the risk of myocardial infarction: false interpretation of results due to inadequate treatment of data

Babisch, Wolfgang; Beule, Bernd; Ising, H; Kersten, Norbert; Schust, Marianne; Wende, H

doi:10.1093/eurheartj/ehi762

Cited by 12 publications

(5 citation statements)

References 2 publications

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“…[18] and Kersten and Backé,[19] we included the latter because the authors used objective noise assessment for the effect sizes of interest; another issue to consider was that Babisch et al . [20] scrutinized Willich et al . [18] for mistreating their environmental noise data by choosing inadequate reference category; this argument was made for residential exposure, but we could not determine whether it also affected occupational exposure data.…”

Section: Methodsmentioning

confidence: 99%

Occupational noise and ischemic heart disease: A systematic review

Dzhambov

Dimitrova

2016

Noise Health

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Noise exposure might be a risk factor for ischemic heart disease (IHD). Unlike residential exposure, however, evidence for occupational noise is limited. Given that high-quality quantitative synthesis of existing data is highly warranted for occupational safety and policy, we aimed at conducting a systematic review and meta-analysis of the risks of IHD morbidity and mortality because of occupational noise exposure. We carried out a systematic search in MEDLINE, EMBASE, and on the Internet since April 2, 2015, in English, Spanish, Russian, and Bulgarian. A quality-scoring checklist was developed a priori to assess different sources of methodological bias. A qualitative data synthesis was performed. Conservative assumptions were applied when appropriate. A meta-analysis was not feasible because of unresolvable methodological discrepancies between the studies. On the basis of five studies, there was some evidence to suggest higher risk of IHD among workers exposed to objectively assessed noise >75–80 dB for <20 years (supported by one high, one moderate, and one low quality study, opposed by one high and one moderate quality study). Three moderate and two low quality studies out of six found self-rated exposure to be associated with higher risk of IHD, and only one moderate quality study found no effect. Out of four studies, a higher mortality risk was suggested by one moderate quality study relying on self-rated exposure and one of high-quality study using objective exposure. Sensitivity analyses showed that at higher exposures and in some vulnerable subgroups, such as women, the adverse effects were considerably stronger. Despite methodological discrepancies and limitations of the included studies, occupational noise appeared to be a risk factor for IHD morbidity. Results suggested higher risk for IHD mortality only among vulnerable subgroups. Workers exposed to high occupational noise should be considered at higher overall risk of IHD.

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Section: Methodsmentioning

confidence: 99%

Occupational noise and ischemic heart disease: A systematic review

Dzhambov

Dimitrova

2016

Noise Health

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“…[23,24] The current meta-analysis, which is considered to be comprehensive refers to altogether 14 studies that were published up until the year 2013. It comprises of 5 cohort studies carried out in Caerphilly (United Kingdom), Bristol-Speedwell (United Kingdom), 204 cities of The Netherlands, Vancouver (Canada), and Copenhagen and Ǻrhus (Denmark), [14,16,17,25] 4 case-control studies carried out in Berlin (Germany) and Stockholm County (Sweden) [13,[26][27][28] and 5 cross-sectional studies carried out in Caerphilly (United Kingdom), Bristol-Speedwell (United Kingdom), Berlin (Germany), Tokyo (Japan) and Stockholm, Gothenborg and Malmö (Sweden). [15,26,29,30] The studies are listed with their major characteristics in Table 1.…”

Section: Selection Of Studiesmentioning

confidence: 99%

Updated exposure-response relationship between road traffic noise and coronary heart diseases: A meta-analysis

2014

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A meta-analysis of 14 studies (17 individual effect estimates) on the association between road traffic noise and coronary heart diseases was carried out. A significant pooled estimate of the relative risk of 1.08 (95% confidence interval: 1.04, 1.13) per increase of the weighted day-night noise level L DN of 10 dB (A) was found within the range of approximately 52-77 dB (A) (5 dB-category midpoints). The results gave no statistically significant indication of heterogeneity between the results of individual studies. However, stratified analyses showed that the treatment of gender in the studies, the lowest age of study subjects and the lowest cut-off of noise levels had an impact on the effect estimates of different studies. The result of the meta-analysis complies quantitatively with the result of a recent meta-analysis on the association between road traffic noise and hypertension. Road traffic noise is a significant risk factor for cardiovascular diseases.

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“…In epidemiological research, a higher risk for myocardial infarction among women due to long-time residential exposure to traffic noise was reported by one environmental study, [46] but these results were questioned due to methodological issues. [47] Anyway, it has to be pointed out that there are other relevant risk factors for coronary heart disease than noise, which modify the influence of gender on susceptibility to CVD. [48,49] Regarding the differences in physiological response between our four experimental groups, it has to be pointed out that up to now there is very small knowledge on differences in physiological responses in laboratory experiments due to age.…”

Section: Relation To Other Studies and Future Researchmentioning

confidence: 99%

Patterns of physiological and affective responses to vehicle pass-by noises

et al. 2013

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Traffic noise is considered causing annoyance and severe health effects like cardiovascular disease (CVD). The present laboratory study examines the importance of individual factors, namely age, gender and personality traits on short term physiological and affective response to vehicle pass-by noises. Four groups of subjects (20-30 vs. 40-55 year-old male or female, n = 66 in total) were exposed to a series of vehicle pass-by noises. Physiological responses (finger-pulse amplitude [FPA], skin conductance level [SCL]) were registered during the exposure; affective responses and judgements regarding the sounds were assessed by questionnaires. Noise sensitivity and sensation seeking were measured by validated questionnaires. The results show different patterns of response depending on age, gender and personality. The strongest sympathetic stress reaction as measured by SCL was found for the older female group. In regression analysis, the SCL response was predicted by the female gender and low score of sensation seeking only (adjusted R2 = 0.139). The FPA response was strongest among the young men and age was the only significant predictor. For affective responses of pleasantness and activation, regression analysis proved noise sensitivity and sensation seeking to be significant predictors (adjusted R2 = 0.187 respectively 0.154). Age, gender and personality influence physiological and affective reactions to traffic noise, which might affect health conditions. Especially, a potential risk of older women for CVD owing to noise should be investigated further. Individual sensitiveness in terms of noise sensitivity or sensation seeking proves to be important for explaining differences in response to noise.

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Noise burden and the risk of myocardial infarction: false interpretation of results due to inadequate treatment of data

Cited by 12 publications

References 2 publications

Occupational noise and ischemic heart disease: A systematic review

Occupational noise and ischemic heart disease: A systematic review

Updated exposure-response relationship between road traffic noise and coronary heart diseases: A meta-analysis

Patterns of physiological and affective responses to vehicle pass-by noises

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