Table 1.
Uncertainty input parameters
| Parameter | Mean (SD) | Distribution | Source |
|---|---|---|---|
| Proportion doing any walking | 62.40% (19.86%) | Beta | 31 |
| Extra walkers per additional 10 km sidewalk (RESIDE sample) | 0.66% (9.68%) | Beta | 31 |
| Average minutes walked per walker | 151.10 (123.15) | Lognormal | 31 |
| Extra minutes walked per week per 10 km sidewalk | 5.26 (2.93) | Lognormal | 31 |
| Disease cost offset | See supplementary table S1 | Uniform | Australian Institute of Health and Welfare Impacts Study 2001. Maximum/minimum assumed at ±25% of mean value |
| Relative risks of diseases | See supplementary table S2 | Normal (ln RR) | Physical activity1 and Diabetes risks46 |