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The ecological context of soundscapes for children's blood pressure

机译:声景对儿童血压的生态影响

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摘要

Although the majority of studies on community noise levels and children's physiological stress responses are positive, effect sizes vary considerably, and some studies do not confirm these effects. Employing a contextual perspective congruent with soundscapes, a carefully constructed sample of children (N = 115, M = 10.1 yr) living in households in relatively high (>60 dBA) or low (<50 dBA) noise areas created by proximity to major traffic arterials in Austria was reanalyzed. Several personal and environmental factors known to affect resting cardiovascular parameters measured under well-controlled, clinical conditions were incorporated into the analyses. Children with premature births and elevated chronic stress (i.e., overnight cortisol) were more susceptible to adverse blood pressure responses to road traffic noise. Residence in a multi-dwelling unit as well as standardized assessments of perceived quietness of the area did not modify the traffic noise impacts but each had its own, independent effect on resting blood pressure. A primary air pollutant associated with traffic volume (NO_2) had no influence on any of these results. The scope of environmental noise assessment and management would benefit from incorporation of a more contextualized approach as suggested by the soundscape perspective.
机译:尽管大多数关于社区噪声水平和儿童生理应激反应的研究都是积极的,但影响的大小却相差很大,有些研究并未证实这些影响。使用与声景相称的上下文视角,精心构造的样本(N = 115,M = 10.1岁)生活在因靠近主要交通而产生相对较高(> 60 dBA)或较低(<50 dBA)噪声区域的家庭中重新分析了奥地利的动脉。分析中纳入了一些已知的个人和环境因素,这些因素会影响在良好控制的临床条件下测得的静息心血管参数。早产和慢性应激(即通宵的皮质醇)升高的儿童更容易因道路交通噪音而产生不利的血压反应。居住在多户住宅中以及对该地区安静程度的标准化评估并没有改变交通噪音的影响,但是每种因素对静息血压都有自己的独立影响。与交通量(NO_2)相关的主要空气污染物对这些结果均没有影响。如Soundscape观点所建议的那样,环境噪声评估和管理的范围将受益于结合更多上下文相关的方法。

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