Kim Y(1), Lee JS(2)(3), Cho WK(2)(4). Author information:
(1)Red Cross College of Nursing, Chung-Ang University, Seoul 06974, Korea.
(2)College of Medicine, University of Ulsan, Seoul 05505, Korea.
(3)Asan Institute for Life Sciences, Clinical Research Center, Asan Medical
Center, Seoul 05505, Korea.
(4)Department of Pulmonary and Critical Care Medicine, International Healthcare
Center, Asan Medical Center, Seoul 05505, Korea.
Previous studies suggest that factors related to smoking cessation may vary with age. This study examined the factors affecting smoking cessation by age among Korean adult male smokers using data from the Korea National Health and Nutrition Examination Survey from 2007 to 2018 (excluding 2013). Logistic regression analyses were used to investigate various factors associated with smoking cessation in three different age groups. Out of a total of 15,492 individuals, 31.5% of the 3523 individuals aged 19-39 years (young adult), 54.7% of the 7390 individuals aged 40-64 years (middle-aged), and 78.6% of the 4589 individuals aged ≥65 years (older adults) succeeded in quitting. In the young adult and middle-aged groups, being married was associated with successful quitting, and lifetime smoking was associated with unsuccessful quitting. Willpower and several comorbidities were related to successful cessation in the middle-aged and older adult groups. Skipping any meal, which suggests unhealthy behavior, was negatively related to quitting in the young adult group. We observed that factors associated with smoking cessation success or failure differed by age, which should be considered when developing smoking cessation policies and programs.
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