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Related Experiment Videos

Physician advice for smoking cessation.

T Lancaster, L Stead

    The Cochrane Database of Systematic Reviews
    |October 21, 2004
    PubMed
    Summary

    Physician advice for smoking cessation yields a small but significant increase in quitting rates. More intensive interventions show a marginal advantage over minimal advice, though mortality effects remain unproven.

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    Area of Science:

    • Public Health
    • Clinical Medicine
    • Behavioral Science

    Background:

    • Healthcare professionals often advise patients to quit smoking.
    • Advice can range from brief interventions to more intensive programs.

    Purpose of the Study:

    • Assess the effectiveness of physician advice in promoting smoking cessation.
    • Compare minimal versus intensive physician interventions.
    • Evaluate aids to smoking cessation advice and impact on mortality.

    Main Methods:

    • Systematic review of randomized trials of physician smoking cessation advice.
    • Searches included Cochrane Tobacco Addiction Group register and CENTRAL up to March 2004.
    • Abstinence assessed at least six months post-advice; meta-analysis used Mantel-Haenszel fixed effect model.

    Main Results:

    • 39 trials (over 31,000 smokers) analyzed; brief advice increased quitting odds (OR 1.74).
    • Intensive advice showed a small advantage over minimal advice (OR 1.44).
    • No significant difference in mortality observed in the single study assessing this outcome.

    Conclusions:

    • Simple physician advice has a small but significant effect on smoking cessation rates.
    • Intensive interventions are marginally more effective than minimal ones.
    • Additional maneuvers and aids show limited added benefit.

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