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Secondhand Smoke Exposure Across Five Campus Settings and Its Association with Smoke-Free Policy Implementation Among
Xinying Zeng1, Shiwei Liu1, Mingxin Qi1
1Tobacco Control Office, Chinese Center for Disease Control and Prevention & Chinese Academy of Preventive Medicine, Beijing, China.
What Is Already Known About This Topic?:
Secondhand smoke (SHS) exposure remains a significant public health concern among college students, even where smoke-free campus policies are in place.
What Is Added By This Report?:
This report documented SHS exposure across five campus settings among Chinese college students in 2025, revealing substantial variation in prevalence by setting. School-level factors - particularly the comprehensiveness of smoke-free policies and teachers' smoking behavior on campus - were more strongly associated with student exposure than the broader tobacco-control environment.
What Are The Implications For Public Health Practice?:
Colleges should strengthen comprehensive smoke-free policy implementation, as has been achieved in primary and secondary schools, to reduce student SHS exposure.
