Hierarchical statistical modeling and causal inference approaches to elucidate exposure pathways underlying health disparities

分层统计模型和因果推理方法阐明健康差异背后的暴露途径

基本信息

  • 批准号:
    10372187
  • 负责人:
  • 金额:
    $ 16.25万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2015
  • 资助国家:
    美国
  • 起止时间:
    2015-08-01 至 2025-03-31
  • 项目状态:
    未结题

项目摘要

Summary RP3 Hierarchical statistical modeling and causal inference approaches to elucidate exposure pathways underlying health disparities The health disparity between the Native American population and the US general population arises from the complex interplay between multiple socio-demographic, behavior, lifestyle and genetic susceptibility factors. Environmental contaminants are increasingly acknowledged to play an important part in explaining health disparity through their combined or interaction effects with other factors. Proximities of Native American communities to abandoned uranium mines (AUM) have been of particular health concern. These chronic exposures to AUM waste related metal mixtures pose higher risk for developing chronic and fatal diseases including hypertension, diabetes, kidney disease, and types of cancer in Native American populations compared to the US population. The hypothesis of this project is that the three Native American tribal communities included in this study (Navajo Nation, Crow, and Cheyenne River Sioux) encounter great risk of exposures to environmental hazards (mine waste related metal mixture exposures, unregulated water resources, and illegal dumping, etc.). These hazardous exposures along with socioeconomic status, psychosocial stress, behavior/lifestyle factors influence multiple biological pathways to produce health disparities in Native American communities. The complex set of exposure variables including dietary nutrients, physical activity, infectious agents, air pollutants and metal exposures at both the individual and community levels are acknowledged as contributors to health disparities, however, their relative contributions of the potential causal factors have not been well studied. The objective of this project is to employ data-driven and modeling approaches to understand the relative contribution of different environmental, behavior, and socioeconomic determinants of the health disparities between the native population and the US national population. We will use innovative modeling approaches such as decomposition analyses and structural causal models to estimate the effects of risk factors at the individual and community level on the health disparities. In Aim 1, we will collect data and summarize the frequency distributions for major chronic and fatal diseases in the Native American communities. In Aim 2, we will employ novel hierarchical modeling approaches to estimate the relative contribution of different risk factors at the individual level and community level to the health disparities. In Aim 3, we will implement frontier causal pathway analyses to illustrate the intermediate mechanisms explaining the health disparity. Aim 4 is to examine the complex correlation structure among multi-dimensional exposures, intermediate biological responses, and health endpoints using frontier statistical approaches. We expect this project will identify major contributing factors that explain a large proportion of the health disparity, and in addition elucidate the intermediate causal pathway that the effects are transmitted to the health disparity endpoints. These findings have the potential to inform policymaking on the cost-effective resource allocation to maximally reduce disparity and improve community health.
总结 RP 3阐明暴露的分层统计建模和因果推断方法 造成健康差距的途径 美国原住民人口和美国一般人口之间的健康差距源于 多种社会人口统计学、行为、生活方式和遗传易感性因素之间的复杂相互作用。 人们越来越认识到环境污染物在解释健康方面起着重要作用 通过与其他因素的组合或相互作用产生差异。美洲原住民近距离接触 废弃铀矿(AUM)的社区一直是特别令人关切的健康问题。这些慢性 接触与AUM废物有关的金属混合物会增加患慢性和致命疾病的风险 包括高血压、糖尿病、肾脏疾病和美洲原住民的癌症类型 与美国人口相比。这个项目的假设是,三个美洲土著部落 本研究中包括的社区(纳瓦霍族、克罗族和夏延河苏族)面临着巨大的风险, 暴露于环境危害(与矿山废物有关的金属混合物暴露、不受管制的水 资源和非法倾倒等)。这些危险暴露沿着社会经济地位, 心理社会压力,行为/生活方式因素影响多种生物途径产生健康 美国原住民社区的差异。包括膳食营养素在内的一系列复杂的暴露变量, 个人和社区的体力活动、传染性病原体、空气污染物和金属暴露 人们承认,这些水平是造成健康差距的因素,但是, 潜在的因果因素尚未得到很好的研究。该项目的目标是采用数据驱动和 建模方法,以了解不同的环境,行为, 原住民和美国国民之间健康差异的社会经济决定因素 人口我们将使用创新的建模方法,如分解分析和结构 因果模型,以估计个人和社区一级风险因素对健康的影响 差距。在目标1中,我们将收集数据并总结主要慢性和致死性疾病的频率分布, 美洲原住民社区的疾病。在目标2中,我们将采用新的分层建模 估计不同风险因素在个人和社区一级的相对影响的方法 健康水平的差距。在目标3中,我们将实施前沿因果路径分析,以说明 解释健康差异的中间机制。目的4是检验复相关结构 在多维暴露、中间生物反应和健康终点之间, 统计方法。我们希望这个项目将确定主要的促成因素,解释了大的 比例的健康差距,并阐明中间因果关系的途径,影响是 传递到健康差异端点。这些发现有可能为决策提供信息, 具有成本效益的资源分配,以最大限度地减少差距和改善社区健康。

项目成果

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Li Luo其他文献

Li Luo的其他文献

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{{ truncateString('Li Luo', 18)}}的其他基金

Biostatistics and Data Science Core
生物统计学和数据科学核心
  • 批准号:
    10689687
  • 财政年份:
    2022
  • 资助金额:
    $ 16.25万
  • 项目类别:
Biostatistics and Data Science Core
生物统计学和数据科学核心
  • 批准号:
    10393301
  • 财政年份:
    2022
  • 资助金额:
    $ 16.25万
  • 项目类别:
Data Management and Analysis Core
数据管理与分析核心
  • 批准号:
    10707542
  • 财政年份:
    2017
  • 资助金额:
    $ 16.25万
  • 项目类别:
Data Management and Analysis Core
数据管理与分析核心
  • 批准号:
    10353209
  • 财政年份:
    2017
  • 资助金额:
    $ 16.25万
  • 项目类别:
Hierarchical statistical modeling and causal inference approaches to elucidate exposure pathways underlying health disparities
分层统计模型和因果推理方法阐明健康差异背后的暴露途径
  • 批准号:
    10062404
  • 财政年份:
    2015
  • 资助金额:
    $ 16.25万
  • 项目类别:
Hierarchical statistical modeling and causal inference approaches to elucidate exposure pathways underlying health disparities
分层统计模型和因果推理方法阐明健康差异背后的暴露途径
  • 批准号:
    10589163
  • 财政年份:
    2015
  • 资助金额:
    $ 16.25万
  • 项目类别:
Hierarchical statistical modeling and causal inference approaches to elucidate exposure pathways underlying health disparities
分层统计模型和因果推理方法阐明健康差异背后的暴露途径
  • 批准号:
    10218051
  • 财政年份:
    2015
  • 资助金额:
    $ 16.25万
  • 项目类别:

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Asthma and Technology in Emerging African American Adults (The ATHENA Project)
新兴非洲裔美国成年人的哮喘与技术(雅典娜项目)
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