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BMJ. 2003 May 31;326(7400):1175-7.

Systematic review of the effectiveness of stage based interventions to promote smoking cessation.

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1
Centre for Reviews and Dissemination, University of York, York YO10 5DD. rpr1@york.ac.uk

Abstract

OBJECTIVE:

To evaluate the effectiveness of interventions using a stage based approach in bringing about positive changes in smoking behaviour.

DESIGN:

Systematic review.

DATA SOURCES:

35 electronic databases, catalogues, and internet resources (from inception to July 2002). Bibliographies of retrieved references were scanned for other relevant publications, and authors were contacted if necessary.

RESULTS:

23 randomised controlled trials were reviewed; two reported details of an economic evaluation. Eight trials reported effects in favour of stage based interventions, three trials showed mixed results, and 12 trials found no statistically significant differences between a stage based intervention and a non-stage based intervention or no intervention. Eleven trials compared a stage based intervention with a non-stage based intervention, and one reported statistically significant effects in favour of the stage based intervention. Two studies reported mixed effects, and eight trials reported no statistically significant differences between groups. The methodological quality of the trials was mixed, and few reported any validation of the instrument used to assess participants' stage of change. Overall, the evidence suggests that stage based interventions are no more effective than non-stage based interventions or no intervention in changing smoking behaviour.

CONCLUSIONS:

Limited evidence exists for the effectiveness of stage based interventions in changing smoking behaviour.

PMID:
12775617
PMCID:
PMC156457
DOI:
10.1136/bmj.326.7400.1175
[Indexed for MEDLINE]
Free PMC Article
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