Objective: Nicotine addiction remains the leading cause of preventable disease and premature death in many countries. The aim of this study is to determine the frequency of high levels of nicotine dependence and related factors in patients admitted to the smoking cessation clinic.

Material and Method: The study is a cross-sectional study conducted on patients who applied to Smoking Cessation Polyclinic affiliated with a district health department. The Hospital Anxiety Depression Scale, which is a screening scale, was used in the psychological evaluation of individu-als, and the Fagerström Nicotine Dependence Test was used to evaluate nicotine addiction. Logistic regression analysis was performed to determine the independent variables associated with nicotine addiction.

Results: The study group consisted of a total of 318 patients. 60.4 % of the study group was male. The age of the study group ranged from 19 to 70 years. In the study, the frequency of those with high levels of nicotine addiction was found to be 25.8 % (n =82) . In a multivariate analysis, the risk of high levels of nicotine addiction was higher in men, singles, smokers with tea or coffee and those with anxiety (p <0.05).

Conclusion: Nicotine dependence is an important public health problem. In patients with anxiety, it was detected 10.154 times higher than those without high level of nicotine dependence.