Indoor Solid Fuel Use and Tuberculosis in China
Author Information
Author(s): Kan Xiaohong, Chiang Chen-Yuan, Enarson Donald A, Chen Wenhua, Yang Jianan, Chen Genwang
Primary Institution: Anhui Provincial Tuberculosis Institute
Hypothesis
Is the use of solid fuel associated with tuberculosis in China?
Conclusion
The study found no significant association between the use of solid fuel for cooking or heating and tuberculosis.
Supporting Evidence
- 73.8% of tuberculosis cases used solid fuels for cooking.
- Household tuberculosis contact was significantly associated with tuberculosis (adjOR 27.23).
- Ever smoking was also significantly associated with tuberculosis (adjOR 1.64).
Takeaway
Using solid fuels like coal or wood for cooking doesn't seem to cause tuberculosis in this study, likely because most people had good ventilation.
Methodology
Matched case-control study with new sputum smear positive tuberculosis patients and neighborhood controls.
Potential Biases
Recall bias due to retrospective assessment of solid fuel use.
Limitations
Potential selection bias from neighborhood controls and retrospective exposure assessment.
Participant Demographics
202 tuberculosis cases and 404 controls, predominantly male.
Statistical Information
P-Value
0.78 for solid fuel cooking
Confidence Interval
95% CI 0.62-1.87 for solid fuel cooking
Statistical Significance
p>0.05
Digital Object Identifier (DOI)
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