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NAQC Newsroom: Research

Intervention Review: Stage-based interventions for smoking cessation

Thursday, December 09, 2010  
Posted by: Natalia Gromov

Cahill K, Lancaster T, Green N. Cochrane Database of Systematic Reviews 2010, Issue 11. Art. No.: CD004492. DOI: 10.1002/14651858.CD004492.pub4.

This systematic review of the literature examined whether stage-based cessation interventions were effective. The main outcome was smoking abstinence for at least six months, and preferred biochemically validated rates where reported. After searching the literature, 41 trials met the inclusion criteria. Based on four trials using direct comparisons, stage-based self-help interventions and individual counseling were neither more nor less effective than their non-stage-based equivalents. Similar results were found in trials of stage-based self-help or counseling interventions versus any control condition. The evidence is not clear for other types of staged intervention, including telephone counseling, interactive web-based programs, and care provider or lay supporter training, perhaps due in part to the small number of studies in these areas. The authors conclude that the evidence does not support restricting quitting advice and encouragement only to those smokers perceived to be in the preparation and action stages. In addition, the extra value of fitting that support to the smoker's stage of change is currently unclear.

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