Table 1

Distributions of dependent variables used in ordinary least squares (OLS) regression modelling

n= 99 health authorities*n=76 health authorities
OutcomesMinMaxMeanCoefficient 
 of variation‡MinMaxMeanCoefficient 
 of variation‡
*n=97 for reach.
‡Coefficient of variation is defined as [standard deviation divided by the mean] × 100.
Reach: n users setting quit date as % of smoking adult population 16+0.035.511.2691.10.035.511.3985.3
Absolute success: n users successfully quitting at 4 weeks9214765283.29199269775.7
Cessation rate: Cessation rate at 4 weeks as % of those setting a quit date22.378.652.522.926.974.151.619.9
Loss: Loss rate at 4 weeks as % of those setting a quit date0.071.521.164.93.260.221.155.1