Calculating DALYs: waste

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The text on this page is taken from an equivalent page of the IEHIAS-project.

As part of the EU-funded INTARESE proejct, which contributed to the development of this Toolbox, a case study was carried out to assess the health impacts of waste management in the Lazio region of Italy.

DALYs were calculated for the three assessment scenarios. The number of attributable cases (AC) was converted to DALYs by including severity weights (S) and health state durations (D):

DALY = AC * D * S.

Severity weights were mostly adapted from the Victorian Burden of Disease Study (2005). In particular, the following severity weights/and duration of disease (D, years) were adopted.

  • Mortality = 1
  • Cancer = 0.44/12.6 years
  • Respiratory symptoms = 0.08/1 year (prevalence)
  • Low birth weight = 0.106/ 79.6 years
  • Congenital anomalies = 0.17 / 79.6 years
  • Severe odour annoyance = 0.03/ 1 year (prevalence)
  • Occupational injuries:
    • Fatality = 1
    • Major injury = 0.208 / 37.3 years
    • Over 3day injury = 0.10 / 3.3 years

The table and the figures below shows the Lazio study results: more information is provided in the full case study report.

Health impact attributable to waste management in Lazio according to policy scenarios: Disability Adjusted Life Years (DALYs)
Variable Baseline 2008 Waste strategy 2016  % change over baseline Green policy 2016  % change over baseline
Transport
Population involved (workers)

Occupational injuries

Fatalities 1069 1143 6.9 927 -13.2
Major injuries 11065 11828 6.9 9600 -13.2
Over 3 days injuries 26321 28136 6.9 22837 -13.2
Total 38454 41107 6.9 33365 -13.2
Population involved (Rome 2001 residents)
YLL (NO2) 560.7 52.7 -90.6 29.1 -94.8
YLL (PM10) 13.9 0.5 -96.2 0.3 -97.9
Total 575 53 -90.8 29 -94.9
MBT (population involved 0-0.2 km)
Severe odour annoyance 89 92 3.0 89 -0.1
Respiratory symptoms 1114 1152 3.4 1118 0.4
Total 1203 1244 3.4 1207 0.3
Incinerators (population involved 0-3km)
Cancer cases 41 65 56.6 14 -67.1
YLL (NO2) 10.01 15.88 58.6 9.55 -4.6
YLL (PM10) 0.01 0.03 125.1 0.01 33.0
Total 52 81 57.0 23 -54.9
Landfills (population involved 0-2km)
Low Birth weights (2016-2050) 70 70 0.0 24 -66.1
Congential anomalies (2016-2050) 4 4 0.0 1 -66.1
YLL (NO2) 17.87 17.87 0.0 12.40 -30.6
YLL (PM10) 0.03 0.03 0.0 0.02 -22.7
Population involved (0-200 m)
Severe odour annoyance 56 56 0.0 20 -65.3
Respiratory symptoms 1002 1002 0.0 348 -65.3
Total 1150 1150 0.0 405 -64.8
TOTAL FOR ALL 41433 43634 5.3 35029 -15.5
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References

  • Victorian Government Department of Human Services 2005 Victorian burden of disease study – mortality and morbidity in 2001. Melbourne: Public Health Group, Rural and Regional Health and Aged Care Services Division. Victorian Government Department of Human Services. Melbourne Victoria, 210 pp..

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