PM2.5 exposure-response function: Difference between revisions

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== Scope  ==
== Scope  ==


ERF PM2.5 describes the relationship between cardiopulomnary mortality and exposure to PM2.5 in the Helsinki metropolitan area population. Both acute and chronic effects are considered. We focus particularly in particle composition related to traffic and heating emissions.
The variable describes the relationship between cardiopulomnary mortality and personal exposure to PM2.5. The personal exposure is the time-weighted average concentration of individuals given knowledge on activity patterns and concentration in diffferent microenvironments


== Definition  ==
== Definition  ==


=== Data  ===
=== Data  ===
 
* [[Concentration-response to PM2.5]]
* Studies that relate personal exposures to cardiopulmonary mortality
* Studies that relate personal exposures to intermediate health markers and studies on relationship between intermediary health impacts and cardiopulmonay mortality.
* Studies relating personal exposure to ambient concentrations and/or simulations of personal exposures given activity patterns and ambient concentrations


=== Causality  ===
=== Causality  ===


no parent variables
no parent variables  


=== Unit  ===
=== Unit  ===
 
m3/ug
 
=== Formula  ===
=== Formula  ===
 
* Transform ambient concentration to a personal exposure measure in the Pope and Dockery studies, and derive exposure-response function (which becomes our prior)
* Simulate exposure-response function from combination of exposure-intermediary health and intermiediary health - cardiopulmonary mortality studies (gives us additional information on exposure -response )
* Update with Bayesian rule concentration-response function with above function and with additional knowledge from other existing studies on personal exposure - cardiopulmonary mortality if/when such studies exist


== Result  ==
== Result  ==


== See also  ==
== See also  ==


== References  ==
== References  ==


<references />
<references />

Revision as of 12:35, 18 February 2009


Scope

The variable describes the relationship between cardiopulomnary mortality and personal exposure to PM2.5. The personal exposure is the time-weighted average concentration of individuals given knowledge on activity patterns and concentration in diffferent microenvironments

Definition

Data

  • Concentration-response to PM2.5
  • Studies that relate personal exposures to cardiopulmonary mortality
  • Studies that relate personal exposures to intermediate health markers and studies on relationship between intermediary health impacts and cardiopulmonay mortality.
  • Studies relating personal exposure to ambient concentrations and/or simulations of personal exposures given activity patterns and ambient concentrations

Causality

no parent variables

Unit

m3/ug

Formula

  • Transform ambient concentration to a personal exposure measure in the Pope and Dockery studies, and derive exposure-response function (which becomes our prior)
  • Simulate exposure-response function from combination of exposure-intermediary health and intermiediary health - cardiopulmonary mortality studies (gives us additional information on exposure -response )
  • Update with Bayesian rule concentration-response function with above function and with additional knowledge from other existing studies on personal exposure - cardiopulmonary mortality if/when such studies exist

Result

See also

References