Chronic obstructive Pulmonary Disease (COPD) in non-smoking Sri Lankan adults; a cross-sectional study

BMC Research Notes

Table 4 Association between having symptoms suggestive of COPD (with or without spirometry evidence) and selected risk factors

Variable	Unadjusted			Adjusted
Variable	Odds Ratio (OR)	p-value	95% CI* of OR	Odds Ratio (OR)	p-value	95% CI* of OR
Female sex	1.353	0.006	1.091–1.678	1.279	0.058	0.992–1.648
Use of unclean fuel (biomass and kerosene)**	1.339	0.015	1.058–1.696	1.396	0.014	1.070–1.821
Having a chimney	0.807	0.063	0.644–1.012	0.715	0.007	0.561–0.910
Hours spent on cooking	1.041	0.133	0.988–1.098	1.008	0.788	0.950–1.070
Exposure to passive Smoking	2.376	< 0.001	1.643–3.438	2.300	< 0.001	1.557–3.397

*CI refers to confidence interval
**Those who regularly used an unclean fuel type or a combination of an unclean and a clean fuel

ISSN: 1756-0500