Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Short-term exposure to ozone and cause-specific mortality risks and thresholds in China: Evidence from nationally representative data, 2013-2018
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Highlights Short-term associations of ozone and cause-specific mortality were estimated nationwide in China. A spectrum of increased mortality risks for cardiopulmonary, neurological, and urinary diseases were found. A potential safe threshold for the ozone-related mortality risk may be between 60 and 100 µg/m3. North China had higher risk of ozone-related cardiovascular mortality. South China had higher risk of ozone-related respiratory mortality.
Abstract Background Ambient ozone pollution is steadily increasing and becoming a major environmental risk factor contributing to the global disease burden. Although the association between short-term ozone exposure and mortality has been widely studied, results are mostly reported on deaths from non-accidental or total cardiopulmonary disease rather than a spectrum of causes. In particular, a knowledge gap still exists for the potential thresholds in mortality risks. Methods This nationwide time-series study in China included 323 counties totaling 230,266,168 residents. Daily maximum 8-hour average was calculated as the ozone exposure metric. A two-stage statistical approach was adopted to assess ozone effects on 21 cause-specific deaths for 2013–2018. The subset approach and threshold approach were utilized to explore potential thresholds, and stratification analysis was used to evaluate population susceptibility. Results On average, the annual mean ozone concentration was 93.4 μg/m3 across 323 counties. A 10-μg/m3 increase in lag 0–1 day of ozone was associated with increases of 0.12 % in mortality risk from non-accidental disease, 0.11 % from circulatory disease, 0.09 % from respiratory disease, 0.29 % from urinary system disease, and 0.20 % from nervous system disease. There may be a “safe” threshold in the ozone-mortality association, which may be between 60 and 100 μg/m3, and vary by cause of death. Women and older adults (especially those over 75) are more affected by short-term ozone exposure. Populations in North China had a higher risk of ozone-related circulatory mortality, while populations in South China had a higher risk of ozone-related respiratory mortality. Conclusions National findings link short-term ozone exposure to premature death from circulatory, respiratory, neurological, and urinary diseases, and provide evidence for a potential “safe” threshold in the association of ozone and mortality. These findings have important implications for helping policymakers tighten the relevant air quality standards and developing early warning systems for public health protection in China.
Short-term exposure to ozone and cause-specific mortality risks and thresholds in China: Evidence from nationally representative data, 2013-2018
Graphical abstract Display Omitted
Highlights Short-term associations of ozone and cause-specific mortality were estimated nationwide in China. A spectrum of increased mortality risks for cardiopulmonary, neurological, and urinary diseases were found. A potential safe threshold for the ozone-related mortality risk may be between 60 and 100 µg/m3. North China had higher risk of ozone-related cardiovascular mortality. South China had higher risk of ozone-related respiratory mortality.
Abstract Background Ambient ozone pollution is steadily increasing and becoming a major environmental risk factor contributing to the global disease burden. Although the association between short-term ozone exposure and mortality has been widely studied, results are mostly reported on deaths from non-accidental or total cardiopulmonary disease rather than a spectrum of causes. In particular, a knowledge gap still exists for the potential thresholds in mortality risks. Methods This nationwide time-series study in China included 323 counties totaling 230,266,168 residents. Daily maximum 8-hour average was calculated as the ozone exposure metric. A two-stage statistical approach was adopted to assess ozone effects on 21 cause-specific deaths for 2013–2018. The subset approach and threshold approach were utilized to explore potential thresholds, and stratification analysis was used to evaluate population susceptibility. Results On average, the annual mean ozone concentration was 93.4 μg/m3 across 323 counties. A 10-μg/m3 increase in lag 0–1 day of ozone was associated with increases of 0.12 % in mortality risk from non-accidental disease, 0.11 % from circulatory disease, 0.09 % from respiratory disease, 0.29 % from urinary system disease, and 0.20 % from nervous system disease. There may be a “safe” threshold in the ozone-mortality association, which may be between 60 and 100 μg/m3, and vary by cause of death. Women and older adults (especially those over 75) are more affected by short-term ozone exposure. Populations in North China had a higher risk of ozone-related circulatory mortality, while populations in South China had a higher risk of ozone-related respiratory mortality. Conclusions National findings link short-term ozone exposure to premature death from circulatory, respiratory, neurological, and urinary diseases, and provide evidence for a potential “safe” threshold in the association of ozone and mortality. These findings have important implications for helping policymakers tighten the relevant air quality standards and developing early warning systems for public health protection in China.
Short-term exposure to ozone and cause-specific mortality risks and thresholds in China: Evidence from nationally representative data, 2013-2018
Chen, Chen (Autor:in) / Li, Tiantian (Autor:in) / Sun, Qinghua (Autor:in) / Shi, Wanying (Autor:in) / He, Mike Z. (Autor:in) / Wang, Jiaonan (Autor:in) / Liu, Jing (Autor:in) / Zhang, Mengxue (Autor:in) / Jiang, Qizheng (Autor:in) / Wang, Menghan (Autor:in)
27.11.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Ozone , Acute effect spectrum , Threshold , Age , Sex , Spatial variation
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