Environmental burden of disease calculation

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Environmental burden of disease calculation

This chapter provides information about methods to calculate the environmental burden of disease, and the assumptions and choices that need to be made. Table 2-1 provides an overview of these baseline assumptions underlying the calculations as performed in the EBoDE project. The remainder of this chapter describes the specific models used for calculating the EBD and explains the different parameters and data used.

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TABLE 2-1. Baseline facts and assumptions underlying environmental burden of disease calculations as carried out in the EBoDE project.

Basic calculation of the environmental burden of disease

The DALY measures health gaps (i.e. years of life lost due to death or disability) as opposed to health expectancies. It measures the difference between a current situation and an ideal or alternative situation. The DALY combines the time lived with disability and the time lost due to premature mortality in one measure:

DALY = YLL + YLD (LAATIKKO)

Years of Life Lost (YLL) in a case of individual death is calculated as the difference between the standard life expectancy at the age of death and the actual age at death. When population data is tabulated for age categories, YLL can be calculated as: L = LE (agedeath, gender) -agedeath The basic formula for calculating the population-wide YLL is:

YLL = N x L

Methods for calculating YLL are further described in section Years of Life Lost, co-morbidity and multi-causality