A comprehensive health impact assessment framework for traffic in flanders and brussels
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A comprehensive health impact assessment framework for traffic in Flanders and Brussels. Dhondt, S ., Macharis, C. & Putman, K. HIA 2011 - Granada. Background. Impact of transport on health Air pollution, noise, traffic accidents, impact on physical health or psychological consequences

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A comprehensive health impact assessment framework for traffic in flanders and brussels

A comprehensive health impact assessment framework for traffic in Flanders and Brussels

Dhondt, S., Macharis, C. & Putman, K.

HIA 2011 - Granada


Background

Background

  • Impact of transport on health

    • Air pollution, noise, traffic accidents, impact on physical health or psychological consequences

  • Significant challenge to policy in Belgium

    • Number of traffic victims still higher than neighbouring countries

    • European Commission takes Belgiumto EU Court of Justice for failing to comply with EU air quality limit values for PM10.


    Hia for evaluating policy

    HIA for evaluating policy

    Need for more integrated, systemic policy responses

    HIA to evaluate the health burden of policy responses

    MASE: “Model-based Approach for evaluating the Safety and Environmental effect of traffic policy measures”

    • Model based

      • Alignment of different models to assess population exposure

    • Safety and Environment

      • Impact of air pollution and traffic safety expressed in DALY

    • Traffic policy measures

      • E.g. teleworking, ageing population, more efficient public transport and increasing fuel prices

    The MASE-project is funded by the Flemish agency for Innovation by Science and Technology


    Model based approach

    Model-Based Approach

    Transport model

    Road safety model

    Emission and dispersion model

    Health Impact Assessment


    Health impact of air pollution

    Health impact of air pollution

    • Selection of exposures and health endpoints

      • Years Life Lost (YLL)

        • PM2,5: long term mortality

        • O3: long-term mortality (summer period only)

      • Years Lived with Disability (YLD)

        • PM10: cause – specific hospital admissions (short –term)

    • Population exposure

      • Dynamic exposure: incorporating spatial and temporal variability of population and pollution

    • Exposure-effect evaluation

      • Established and recent RR from epidemiology


    Health impact of air pollution1

    Health impact of air pollution

    Dynamic exposure


    Dynamic exposure

    Dynamic exposure

    Population density

    at a random day

    both at 02h and 14h

    Ambient PM2.5 concentrations

    at 02h and 14h

    a)

    b)

    c)

    e)

    f)

    d)


    Dynamic exposure1

    Dynamic exposure

    Relative difference in PM2.5 exposure using a static vs a dynamic exposure assessment


    Health impact of air pollution2

    Health impact of air pollution

    YLL due to PM2.5 and O3 (base-scenario)


    Health impact of traffic safety

    Health impact of traffic safety

    • Selection of exposures and health endpoints

      • Public health impact of injured and fatal traffic victims

        • YLL: number of fatal traffic victims

        • YLD: burden of injury

    • Population exposure

      • Based on traffic risk models

        • Number of fatal and hospitalized traffic victims under changing mobility patterns

    • Exposure-effect evaluation

      • Injury risks derived from hospital registration (ICD-9-CM)


    Health impact of traffic safety1

    Health impact of traffic safety

    Probabilistic model

    • Monte Carlo analysis

      • Parameters

        • Injury risk

        • Risk of lifelong or temporary disability

        • Disability weights

        • Life expectancy


    Health impact of traffic safety2

    Health impact of traffic safety

    DALY due to road traffic accidents (base-scenario)


    Integration

    Integration

    Comparison health burden (base-scenario)


    Next steps

    Next steps

    • Enhanced population exposure

      • Simulating individual people throughout the day

        • More detailed exposure profile

      • Exposure of children

        • School locations

    • Follow-up on epidemiologic studies

      • Relative risks derived from dynamic exposure instead of residential exposure

    • Scenario analyses


    A comprehensive health impact assessment framework for traffic in flanders and brussels

    Thank you for your attention!

    [email protected]


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