[Evaluation of the effectiveness of medical consultation regarding smoking cessation]

Smoking habits were assessed by a questionnaire in workers of a small factory during their prophylactic medical check-up. In all subjects spirometry and CO levels in expired air were determined. In the studied group 43.8% were smokers. Respiratory indices were decreased in smokers in comparison to ex- and non-smokers. In all smokers higher (3x) levels of CO were found. After a year 5 subjects ceased to smoke (15.6% of the smokers).