From: Cost-effectiveness of active transport for primary school children - Walking School Bus program
Parameters | Values | Uncertainty distribution | Sources and assumptions |
---|---|---|---|
Height, weight of participants | Mean, SE^{a} | Normal^{b} | [19] |
No. local governments making submissions | 296, 370, 444^{c} | Triangular^{d} | Estimate |
% non-Victorian local governments participating | 0.4, 0.5, 0.6^{3} | Triangular^{d} | Estimate based on VicHealth figures for Victoria |
No. participating schools per local government | 4, 1^{b} | Normal^{b} | VicHealth |
Persons attending recruitment evening per school | 10, 15, 20^{c} | Triangular^{d} | Estimate |
Volunteers recruited per school | 7,3^{b} | Normal^{b} | Estimate |
WSB per school | 1, 1.6, 3^{c} | Triangular^{d} | Min, max -- estimates; most likely -- Vic Health |
Volunteers trained per WSB | 2, 4, 6^{c} | Triangular^{d} | Min, max -- estimates; most likely -- VicHealth guidelines |
Average number of children per WSB | 3, 7, 12^{c} | Triangular^{d} | Estimate |
Extra minutes spent on walking | 6, 28.3, 84^{c} | Triangular^{d} | [15] |
No. of days of WSB per week per child | 0.5, 1, 5^{c} | Triangular^{d} | Mean [15] |
No. weeks of intervention effect per year | 35, 40^{e} | Uniform^{f} | Estimate |
Increased METS from walking | 1.5, 2.5, 3^{c} | Triangular^{d} | [13] |
Factor to convert % change in energy balance to % change in body weight | 0.38, 0.45, 0.51^{c} | Triangular^{d} | [14] |
% children enrolled in WSB not walking previously | 25%, 50%, 75%^{c} | Triangular^{d} | Estimate |
Local government officer time (days per week) | 2, 3, 4^{c} | Triangular^{d} | Estimate based on personal communication VicHealth |
On-cost loading on national and state coordinator salaries | 50%, 60%, 70%^{c} | Triangular^{d} | Estimate |
On-cost loading on teachers, local government officer salaries | 20%, 30%, 40%^{c} | Triangular^{d} | Estimate |
School liaison officer time/coordinator time (hours per week) | 1, 4^{e} | Uniform^{f} | Estimates based on personal communication VicHealth |
Volunteer time (minutes per journey/day) | 12, 40, 80^{c} | Triangular^{d} | [15] |
Manual cost | $40 ± 20%^{c} | Triangular^{d} | Estimate |
Kit bags - cost | $50 ± 20%^{c} | Triangular^{d} | Estimate |
Special events, theme days etc. | $100, $300, $500^{c} | Triangular^{d} | Estimate |