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Time-resolved dynamic disability adjusted life-years estimation
Klaas De Jonge1,2, Jelle Laverge2
1FWO - Flanders Research Foundation, Brussels, Belgium.
Indoor Air
|November 28, 2022
Summary
A new method, Dynamic DALYs, accurately measures indoor air quality
Area of Science:
- Environmental Health
- Occupational Health
- Public Health
Background:
- Indoor air quality (IAQ) assessment involves numerous contaminants.
- Disability Adjusted Life Years (DALYs) quantify health impacts of contaminants.
- Existing DALY methods lose information with detailed exposure data.
Purpose of the Study:
- Introduce Dynamic DALYs, a novel method for IAQ health impact assessment.
- Enable real-time DALY calculation using time-resolved exposure data.
- Compare ventilation strategies using Dynamic DALYs.
Main Methods:
- Developed the Dynamic DALYs method for time-resolved exposure data.
- Simulated an occupied apartment with continuous (Dcont) and smart (Dsmart) ventilation.
- Introduced indoor volatile organic compounds (VOCs) as pollutants.
- Analyzed exposure profiles and Dynamic DALYs for a working adult.
Main Results:
- Dynamic DALYs provide detailed, real-time health impact insights.
- Smart ventilation (Dsmart) resulted in higher total Dynamic DALYs (8.6 years) compared to continuous ventilation (Dcont, 2.2 years) for a population of 100,000 over one year.
- The study highlights differences in health and energy use between ventilation systems.
Conclusions:
- Dynamic DALYs offer a significant improvement over traditional methods for IAQ health assessment.
- Smart ventilation, in this simulation, led to a greater simulated health burden from VOCs.
- The method is suitable for identifying specific exposure events and optimizing IAQ in real-time.
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