The Impact of Lung Cancer Screening on Smoking Cessation Stages Among Middle-Aged and Older Adult Smokers: A Longitudinal Study Based on the Transtheoretical Model

Objective To explore the dynamic effects of lung cancer screening and screening results on the stage transition of smoking cessation intention among middle-aged and older adult smokers based on the Transtheoretical Model (TTM). Methods Follow-up surveys were conducted in 2020 at baseline and in 2021 and 2023 among middle-aged and older adult smokers who participated in community lung cancer screening in Ma'anshan City, collecting information on basic demographic data, smoking behavior, and smoking cessation status at baseline and during follow-up. A cumulative link mixed model (CLMM) was used to analyze the effects of screening time, nature of pulmonary nodules, and their interaction on the stage of smoking cessation intention, with stratified analysis by pack-years of smoking. Results During the follow-up period, the study...