The impact of chronic disease diagnoses on smoking behavior change and maintenance: Evidence from China.

"CONFLICTS OF INTEREST The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. The authors declare that they have no competing interests, financial or otherwise, related to the current work. All the authors report that since the initial planning of the work they received support from the National Social Science Fund of China (grant number 18BGL200), the Natural Science Foundation of Shandong Province (grant number ZR2022QG023), the Science and Technology Support Plan for Youth Innovation of Colleges and Universities of Shandong Province of China (grant number 2022RW032)."

"FUNDING This work was supported by the National Social Science Fund of China (grant number 18BGL200), the Natural Science Foundation of Shandong Province (grant number ZR2022QG023), the Science and Technology Support Plan for Youth Innovation of Colleges and Universities of Shandong Province of China (grant number 2022RW032). The content is solely the responsibility of the authors."