Background:

knowledge and beliefs regarding tobacco are related, as has been demonstrated, to behavior regarding the toxic habit.

Objective:

to modify knowledge about smoking in active smokers in a family doctor's office.

Methods:

an educational intervention was carried out on 85 active smoking patients, belonging to doctor´s office No. 4 from “Ramón López Peña” University Polyclinic of Santiago de Cuba, from July 2022 to January 2023. Theoretical methods were used: historical-logical, analytical-synthetic and inductive-deductive for the collection of information and foundation of the research; from the empirical level: the questionnaire and observation.

Results:

it was evident that before the educational intervention, the majority of patients had inadequate knowledge in the variables: risk factors, behavior to follow and prevention; results that were modified after the intervention.

Conclusions:

a meaningful improvement was achieved in the knowledge indicators evaluated.

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