The physician-delivered smoking intervention project: Can short-term interventions produce long-term effects for a general outpatient population?

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Abstract
Patterns of smoking cessation using 6- and 12-month follow-up data are reported for 1,261 primary care patients randomized to 3 physician-delivered smoking interventions: advice only (AO), counseling (CI), and counseling plus availability of nicotine-containing gum (CI + NCG). One-week-point-prevalence cessation rates at 12 months did not differ among the interventions: AO (15.2%), CI (12.9%) and CI + NCG (16.7%). However, maintained cessation rates (abstinent at both 6 and 12 months) increased with intervention intensity: AO (6.0%), CI (7.8%) and CI + NCG (10.0%): Test of trend chi 2 = 5.06, p = .02. CI + NCG was significantly higher than AO (p = .02). The findings support the following conclusions: Brief physician-delivered intervention with availability of nicotine-containing gum can have a beneficial long-term effect on smoking cessation, and cohort data as well as point-prevalence rates are important when assessing the long-term impact of lifestyle interventions.

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