From: Chronic bronchitis and airflow obstruction is associated with household cooking fuel use among never-smoking women: a community-based cross-sectional study in Odisha, India
Household fuel use
Odds ratios (95% CI)
p value
Unadjusted
Adjusteda
Liquefied petroleum gas
1 (reference)
Mixed fuel
3.46 (2.05–5.85)
3.47 (2.04–5.90)
< 0.001
Solid biomass fuel
5.29 (3.38–8.27)
5.55 (3.51–8.78)