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Published on: January 10, 2015
The reduction of tuberculosis risks by smoking cessation
Chi-Pang Wen1, Ta-Chien Chan, Hui-Ting Chan
1Division of Health Policy Research, National Health Research Institutes, Zhunan, Taiwan. cwengood@nhri.org.tw
BMC Infectious Diseases
|June 10, 2010
Summary
Quitting smoking significantly reduces tuberculosis mortality risk, bringing it to levels comparable to never-smokers. This finding highlights the crucial role of smoking cessation in public health and reducing the burden of tuberculosis.
Area of Science:
- Public Health
- Epidemiology
- Respiratory Medicine
Background:
- Smoking is a known risk factor for tuberculosis (TB) but often overlooked in clinical settings.
- This study investigates the impact of smoking cessation on tuberculosis mortality rates.
Purpose of the Study:
- To quantify the increased risk of TB mortality associated with smoking.
- To assess the reduction in TB mortality risk following smoking cessation.
- To evaluate the contribution of smoking to overall TB mortality.
Main Methods:
- A prospective cohort study of 486,341 adults was conducted.
- Cox proportional models were used to compare TB mortality risks among smokers, never smokers, and former smokers.
- Data included self-reported TB history and mortality outcomes until 2007.
Main Results:
- Smokers faced a nine-fold increased risk of TB mortality compared to never-smokers (HR = 8.56).
- Smoking cessation reduced this risk by 65%, to a level similar to never-smokers.
- Smoking accounted for 37.7% of TB mortality in Taiwan.
Conclusions:
- Smoking cessation substantially lowers TB mortality risk, making it comparable to that of never-smokers.
- Tobacco control initiatives can significantly reduce the public health burden of tuberculosis.
- Implementing smoking cessation programs could decrease tuberculosis deaths by nearly one-third.
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