Mengnan Zhang, Yu Bai, Junyi Hu, Yang Ni, Qiang Zeng
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An Improved Air Health Index Based on Short-Term Cardiovascular Effects in Tianjin, China.
Objectives: To construct an improved air health index (AHI) based on cardiovascular years of life lost (YLL) in Tianjin and assess its utility.
Methods: We derived the exposure-response coefficients from time-series models and calculated the excess YLL (EYLL) for simultaneous exposure to air pollution and non-optimum temperature. The AHI was developed using the EYLL at the WHO 2021 Air Quality Guideline annual mean values and optimum temperature as a reference. We assessed the validity of AHI by comparing the correlations and model fit between the AHI, air quality health index (AQHI), and air quality index (AQI) with cause-specific YLLs.
Results: Each inter quartile range (IQR) increase in AHI was associated with 256.31 (95%CI: 183.05, 329.57), 150.34 (95%CI: 108.23, 192.46), 90.41 (95%CI: 64.80, 116.02) and 60.80 (95%CI:33.41, 88.18) person-year increments for non-accidental, cardiovascular, ischaemic, and cerebrovascular YLL, respectively. The AHI, in contrast to the AQHI and AQI, showed the strongest correlations with the risks of cause-specific YLLs, both in the total population and subpopulations.
Conclusion: The AHI based on cardiovascular YLL has a greater predictive ability for health risks.
期刊介绍：
The International Journal of Public Health publishes scientific articles relevant to global public health, from different countries and cultures, and assembles them into issues that raise awareness and understanding of public health problems and solutions. The Journal welcomes submissions of original research, critical and relevant reviews, methodological papers and manuscripts that emphasize theoretical content. IJPH sometimes publishes commentaries and opinions. Special issues highlight key areas of current research. The Editorial Board''s mission is to provide a thoughtful forum for contemporary issues and challenges in global public health research and practice.
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