Özet:

Objectıve: Smoking; along with psychological factors and habits, it causes addiction in people. The level of smoking addiction is determined in clinical practices with the Fagerström Test for Nicotine Dependence (FTND). CO level measurement in expiratory air is frequently used today as a biomarker in the diagnosis, treatment and follow-up stages of addiction. In this study, it was aimed to evaluate the relationship between CO levels and FTND of smokers. Materials and Methods: The questionnaire was applied to smokers and healthy volunteers coming to the Selcuk University Faculty of Medicine Family Practice Clinic. 68 smoker patients and 60 non-smoker volunteers were included. Patients' sociodemographic characteristics, age of starting smoking, CO levels in expiratory air and FTND scores were recorded. The relationship between FTND scores and CO levels in expiratory air was investigated. Chi-square test was used to examine the comparison of categorical data. P value p<0,05 was considered statistically significant. Results: The mean age of the individuals included in the scope of the study was 53.0±6.9 and 39.1% of them were women, 60.9% of them were men. There was a statistically significant difference was found between the participants' gender, age, occupational characteristics and marital status and smoking status. FNBT score of smokers was found to be 5.00 ± 2.44 points. The average number of cigarettes smoked/year was 31.00±17.87 years, the average number of cigarettes smoked per day was 20.00±8.76 and the average age to start smoking was 18.00±4.82. There was a positive correlation between the CO results and FTND scores (p≤0.001). There was a negative correlation between the CO results and FEV1/FVC scores(p≤0.001). Conclusıon: Among the scales that measure nicotine addiction level, FTND is the most used one in smoking cessation clinics today. In our study, there was a positive correlation between CO levels and FTND scores, which was found statistically significant. Measuring CO during patient follow-up is both an objective criterion for evaluating smoking cessation and enhances patient compliance. Therefore, CO levels can also be used as a guiding factor in determining the severity of cigarette addiction. Keywords: Addiction, Carbonmonoxide, Smoking.

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