Revealing the influence of socio-economic and meteorological factors on PM2.5 related cardiovascular and cerebrovascular disease mortality: insights from Xi'an, China

IF 2.9 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Wencai Zhang, Bin Guo, Lin Pei, Yan Wang, Tengyue Guo
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引用次数: 0

Abstract

Air pollution poses a serious threat to public health with the continuous process of urbanization and industrialization. The relationship between particulate matter smaller than 2.5μm (PM2.5) and cardiovascular and cerebrovascular diseases (CCVD) has attracted considerable global attention. However, the spatial clustering characteristics and environmental influencing factors for cardiovascular and cerebrovascular disease mortality (CCVDM) were seldom explored at the urban scale. In particular, the modification effects of PM2.5 on CCVDM under different socio-economic levels and microclimatic conditions have not yet received adequate attention. This study focused on Xi'an City, China, and utilized exploratory spatial data analysis methods to reveal the spatial clustering characteristics of CCVDM. The random forest (RF) model was developed to assess the relative importance of various influencing factors on CCVDM. Furthermore, the geographically and temporally weighted regression (GTWR) model was employed to determine the spatial heterogeneity of influencing factors and assess the modification effects of PM2.5 on CCVDM. The results showed that from 2014 to 2016, a total of 38,150 male and 32,717 female CCVD deaths were recorded. Spatially, significant clustering was observed, with hotspots mainly concentrated in the central and western areas. Secondly, the RF model effectively quantified the relationship between CCVDM and its influencing factors (R2 = 0.90). The importance ranking showed that socio-economic factors had a greater impact on CCVDM than natural factors. Additionally, the GTWR model achieved higher accuracy for females (Adjusted R2 = 0.41) than for males (Adjusted R2 = 0.35) in revealing the effects of influencing factors on CCVDM. The model results confirmed significant spatiotemporal heterogeneity in the effects of these factors on CCVDM. Finally, PM2.5 exhibited significant modification effects on CCVDM. The adverse impact of PM2.5 on CCVDM was stronger in areas with lower economic levels or when the temperature was below 26 °C, and the effect was greater in males than in females. This study provides valuable insights and evidence for the prevention and control of CCVD and related epidemics.

揭示社会经济和气象因素对PM2.5相关心脑血管疾病死亡率的影响:来自中国西安的见解
随着城市化和工业化进程的不断推进,大气污染对公众健康构成了严重威胁。2.5μm以下颗粒物(PM2.5)与心脑血管疾病(CCVD)之间的关系引起了全球广泛关注。然而,在城市尺度上对心脑血管疾病死亡率的空间聚类特征及环境影响因素的研究较少。特别是不同社会经济水平和小气候条件下PM2.5对CCVDM的修正效应尚未得到足够重视。本研究以西安市为研究对象,运用探索性空间数据分析方法揭示CCVDM的空间聚类特征。建立随机森林(RF)模型来评估各种影响因素对CCVDM的相对重要性。采用地理时间加权回归(GTWR)模型分析影响因子的空间异质性,评价PM2.5对CCVDM的修正作用。结果显示,2014 - 2016年,共记录了38150例男性和32717例女性CCVD死亡。空间上具有显著的集聚性,热点地区主要集中在中西部地区。其次,RF模型有效量化了CCVDM与其影响因素之间的关系(R2 = 0.90)。重要性排序显示,社会经济因素对CCVDM的影响大于自然因素。此外,GTWR模型在揭示影响因素对CCVDM的影响方面,女性(调整R2 = 0.41)比男性(调整R2 = 0.35)具有更高的准确性。模型结果证实了这些因素对CCVDM的影响具有显著的时空异质性。PM2.5对CCVDM有显著的调节作用。PM2.5对CCVDM的不利影响在经济水平较低的地区和温度低于26℃时更为强烈,且男性的影响大于女性。本研究为CCVD及相关流行病的预防和控制提供了有价值的见解和证据。
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来源期刊
Air Quality Atmosphere and Health
Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-
CiteScore
8.80
自引率
2.00%
发文量
146
审稿时长
>12 weeks
期刊介绍: Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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