Publications by authors named "Guoxia Bai"
Numerous studies have investigated the impact of heatwaves on non-accidental mortality, yet the association and burden of heatwaves on mechanism-specific injury mortality remain underexplored. This study collected 257,267 injury-related fatalities and corresponding daily maximum temperatures (DMT) across seven Chinese provinces from 2013 to 2023. A heatwave was characterized by two or more successive days where the DMT surpassed its 92.
View Article and Find Full Text PDFBackground: People in daily life are usually exposed to multiple environmental factors, but few studies have evaluated the joint health impacts of ambient air pollutants and weather factors.
Objectives: To investigate the joint associations of short-term exposures to ambient air pollutants and weather factors with mortality and estimate the mortality burden attributable to these multiple environmental exposures in China.
Methods: We collected individual death information from six provinces (Guangdong, Yunnan, Hunan, Zhejiang, Tibet and Jilin) in China during 2013 to 2018, and applied a time-stratified case-crossover study design to estimate the joint associations of air pollutants [PM (particulate matter with an aerodynamic diameter ≤2.
Introduction: While ambient formaldehyde (HCHO) concentrations are increasing worldwide, there was limited research on its health effects.
Objectives: To assess the association of long-term exposure to ambient HCHO with the risk of respiratory (RESP) mortality and the associated mortality burden in China.
Methods: Annual and seasonal RESP death and tropospheric HCHO vertical columns data were collected in 466 counties/districts across China during 2013-2016.
Background: Evidence on the associations of fine particulate matter (PM) with cardiopulmonary mortality in the oldest-old (aged 80+ years) people remains limited.
Methods: We conducted a time-stratified case-crossover study of 1,475,459 deaths from cardiopulmonary diseases in China to estimate the associations between short-term exposure to ambient PM and cardiopulmonary mortality among the oldest-old people.
Findings: Each 10 μg/m increase in PM concentration (6-day moving average [lag05]) was associated with higher mortality from cardiopulmonary diseases (excess risks [ERs] = 1.
Although studies have estimated the associations of PM with total mortality or cardiopulmonary mortality, few have comprehensively examined cause-specific mortality risk and burden caused by ambient PM. Thus, this study investigated the association of short-term exposure to PM with cause-specific mortality using a death-spectrum wide association study (DWAS). Individual information of 5,450,764 deaths during 2013-2018 were collected from six provinces in China.
View Article and Find Full Text PDFArticle Synopsis
- Climate change significantly impacts public health, contributing to injury mortality, which represents 8% of global deaths.
- A study conducted in six provinces of China from 2013-2019 indicates that for each 1°C rise in temperature, injury mortality risk increases by 0.50%, with intentional injuries seeing a higher risk than unintentional ones.
- Projections for the 2090s suggest that China could experience an additional 156,586 injury deaths due to temperature increases, particularly affecting young males and those in Western regions, highlighting the need for climate-adaptive public health policies.
Background: As climate change, compound hot extremes (CHEs), daytime and nighttime persistent hot extremes, are projected to become much more frequent and intense, which may pose a serious threat to human health. However, evidence on the impact of CHEs on injury is rare.
Methods: We collected injury death data and daily meteorological data from six Chinese provinces during 2013-2018.