Objective To investigate the nicotine dependence of patients with chronic obstructive pulmonary disease(COPD)who smoke and analyze its influencing factors,so as to provide insights into targeted smoking cessation interven-tions for smoking COPD patients.Methods The smoking COPD patients were selected from three hospitals in Lanzhou City using the convenience sampling method from October 2022 to April 2023.Demographic data,smoking status,and willingness to quit smoking were collected using questionnaire surveys.Nicotine dependence was assessed according to Fagerstrom Test for Nicotine Dependence.The influencing factors of nicotine dependence in smoking COPD patients were analyzed using a multiple linear regression model.Results A total of 200 questionnaires were distributed,and 171 valid questionnaires were collected,with a response rate of 85.50%.The median age was 48.00(interquartile range,10.00)years.There were 158 males,accounting for 92.40%;53 cases with a college degree or above,accounting for 30.99%.The median smoking duration was 15.00(interquartile range,11.00)years.There were 73 patients(42.69%)smoking 21 to 30 cigarettes per day,and 159 patients(92.98%)with the willingness to quit smoking.The median nico-tine dependence score was 3.00(interquartile range,1.00)points.There were statistically significant differences in nico-tine dependence scores among smoking COPD patients with different ages,educational levels,occupations,interpersonal relationships,smoking duration,daily cigarette consumption,awareness of smoking hazards and willingness to quit smok-ing(all P<0.05).Multiple linear regression analysis revealed that nicotine dependence was related with educational lev-el(β=-0.251),interpersonal relationship(β=-0.246),smoking duration(β=0.038),daily cigarette consumption(β=0.518)and willingness to quit smoking(β=-0.173)among smoking COPD patients(all P<0.05).Conclusion The nicotine de-pendence among smoking COPD patients was influenced by educational level,interpersonal relationships,smoking dura-tion,daily cigarette consumption and willingness to quit smoking.
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