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Active Transport Health Model: Valuing the Health Benefits of Active Transport
Mary Njeri Wanjau1,2, Holger Möller3,4, Christopher Standen5,6
1Public Health and Economics Modelling Group, School of Medicine and Dentistry, Griffith University, Gold Coast Campus, Parklands Drive, Southport, QLD, 4222, Australia.
Investing in active transport infrastructure yields significant health and economic benefits. Walking one kilometer provides AU$4.41 in health benefits, while cycling provides AU$2.42, supporting cost-benefit analyses for transport projects.
Area of Science:
- Public Health
- Health Economics
- Transport Planning
Background:
- Active transport increases physical activity, improving population health.
- Quantifying health and economic benefits of active transport infrastructure is crucial for investment.
- Valuing these benefits presents a significant challenge.
Purpose of the Study:
- To develop a model estimating health benefits of active transport behavior changes.
- To translate these health benefits into economic values.
- To apply the model in New South Wales, Australia.
Main Methods:
- Utilized the Active Transport Health Model, a proportional multi-state lifetable model.
- Quantified health impacts from physical activity, air pollution, and road trauma.
- Calculated health-adjusted life-years (HALYs) and monetary values, including healthcare cost changes.
Main Results:
- An additional person-kilometer walked yields AU$4.41 in health benefits.
- An additional person-kilometer cycled yields AU$2.42 in health benefits.
- Values vary based on age and current physical activity levels.
Conclusions:
- The Active Transport Health Model effectively assesses and values active transport health benefits.
- Monetary per-kilometer values are higher than in previous studies.
- Findings have implications for transport infrastructure planning and cost-benefit analyses.
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