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- Title
The cost-effectiveness of the English smoking treatment services: evidence from practice.
- Authors
Godfrey, Christine; Parrott, Steve; Coleman, Tim; Pound, Elspeth
- Abstract
To investigate the cost-effectiveness of English specialist smoking cessation services.Combination of observational cost and outcome data from English smoking cessation services to calculate cost-effectiveness ratios. Multivariate analysis of factors influencing variation in services’ cost-effectiveness.Fifty-eight of the 92 specialist smoking cessation services in England in 2000/01.Services’ costs were estimated using survey data which described services’ configurations, staffing, interventions delivered and development. Information on services’ throughput and outcomes (as biochemically validated 4-week smoking cessation rates) were obtained from routine sources. With reference to relevant literature and assumptions about relapse and background cessation rates, 4-week cessation rates were converted first to 1-year rates. One-year cessation rates were adjusted to reflect the likely permanent smoking cessation rate attributable to service intervention and finally attributable life-years gained were calculated. A wide variety of sensitivity analyses was performed to test the robustness of the average cost-effectiveness ratio, calculated by combining the cost and life-year gained estimates, for all services. With additional data on deprivation levels in services’ areas, ordinary least-squares regression techniques were used to investigate variations in individual services’ costs per client and cost-effectiveness ratios.Using an up-to-date estimate for health gain accrued by stopping smoking, the average cost per life gained was£684 (95% CI 557–811), falling to£438 when savings in future health-care costs were counted. With the worst case assumptions, the estimate of cost-effectiveness rose to£2693 per life-year saved (£2293 including future health-care costs) and fell to£227 (£102) under the most favourable assumptions. Findings are comparable to previous published studies. The regression results suggest that different factors influence cost per client and the net cost per life-year saved, indicating that decision makers should be careful in setting performance targets for these services.In 2000/01, English smoking cessation services provided cost-effective services operating well below the benchmark of£20 000 per quality-adjusted life-year saved (QALY) that is used by the National Institute for Clinical Excellence in the United Kingdom.
- Subjects
ENGLAND; SMOKING cessation; LITERATURE; SMOKING; MULTIVARIATE analysis; HEALTH
- Publication
Addiction, 2005, Vol 100, p70
- ISSN
0965-2140
- Publication type
Article
- DOI
10.1111/j.1360-0443.2005.01071.x