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Multiple logistic regression analysis of association between household fuel use and chronic bronchitis (N = 1120)
| Household fuel use | Odds ratios (95% CI) | p value | |
|---|---|---|---|
| Unadjusted | Adjusteda | ||
| Liquefied petroleum gas | 1 (reference) | 1 (reference) | |
| Mixed fuel | 2.00 (0.97–4.10) | 1.85 (0.87–3.89) | 0.105 |
| Solid biomass fuel | 2.09 (1.15–3.79) | 1.96 (1.06–3.64) | 0.031 |
aAdjusted for age, BMI, socio-economics status, and education
