The cost effectiveness of telephone counselling to aid smoking cessation in Denmark: a modelling study.

Aim: To assess the cost-effectiveness of the Danish smoking cessation telephone service "quitline".

Methods: The study was based on the number of quitline callers in 2005. The outcome was measured as costs per life year saved (LYS) based on the assessment in 2001 of continued abstinence over a 12-month period (19.