长期暴露于环境细颗粒物结合的多环芳和癌症死亡率:差异差异的方法
Yingxin Li1, Zhaoyu Fan1, Wenfeng Lu2
1Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China.
Chemosphere
|August 12, 2023
概括
长期暴露于与细颗粒物 (PM2.5) 结合的多环芳 (PAH) 显著增加了癌症死亡风险. 减少PAH暴露对于预防癌症死亡和控制空气污染至关重要.
科学领域:
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
- 流行病学 流行病学
背景情况:
- 环境细颗粒物 (PM2.5) 和癌症死亡率之间的联系正在争论中,可能是由于PM2.5成分的变化.
- 多环芳 (PAH) 是PM2.5的致癌成分,被怀疑是PM2.5诱导的癌症死亡率,但尚未研究.
研究的目的:
- 评估长期暴露于PM2.5结合的PAH与癌症死亡率之间的关联.
- 估计可归因于PM2.5结合的PAHs的癌症死亡比例.
主要方法:
- 使用差异差异方法来评估PM2.5结合的PAHs对中国江苏省 (2016-2020) 癌症死亡率的因果作用.
- 对PM2.5-bound PAHs的人口加权暴露被评估使用逆距离加权.
- 对空间差异,时间趋势,PM2.5质量,温度和社会经济状况进行控制的统计模型.
主要成果:
- 在增加暴露于总[a]烯等效物 (BaPeq),总致癌PAHs (PAH7c) 和总PAHs (PAHs) 和更高的癌症死亡风险之间发现了显著的关联.
- 暴露-反应关系在很大程度上是低水平的单调,风险显著增加 (例如,每1单位增加的BaPeq为3.21%).
- 估计可归因分数为BaPeq的5.73%,PAH7c的8.73%,PAHs的7.33%.
结论:
- 长期暴露于PM2.5结合的PAH与癌症死亡率的增加有关.
- 多聚乙烯氧化物对癌症死亡的负担有显著的贡献.
- 颗粒物污染管理策略应考虑PAH等特定成分,以减少癌症死亡率.
更多相关视频
09:33Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
Published on: December 23, 2022
2.3K
05:18Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
Published on: July 12, 2024
334
相关概念视频
Statistical Methods for Analyzing Epidemiological Data
411
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
411
Cancer Survival Analysis
384
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
384
Cancer Prevention
6.2K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
6.2K
Comparing the Survival Analysis of Two or More Groups
223
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
223
Types of Toxins
1.8K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.8K
Longitudinal Research
12.0K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
12.0K
