Table 2

Smearing factor for each regression model

Model number

Input explored

Smearing factor

1a

Printed media

1.693

1b

Advertising media

2.334

2a

Water

1.249

2b

Electricity

1.193

Johns et al. Cost Effectiveness and Resource Allocation 2006 4:8   doi:10.1186/1478-7547-4-8