A cross-sectional study of the association between ventilation of gas stoves and chronic respiratory illness in U.S. children enrolled in NHANESIII

Table 3 Adjusted Odds ratios and 95% confidence intervals for the association between respiratory illnesses in children aged 2–16 years and gas stove use habits (Model 2)

	Ever diagnosed with asthma^a(N = 5,646)		Wheeze in past 12 months^b(N = 5,647)		Ever diagnosed with bronchitis^c(N = 7,114)
	No. cases	OR (95% CI)	No. cases	OR (95% CI)	No. cases	OR (95% CI)
Gas stove used with ventilation
No	263	1 Ref.	555	1 Ref.	184	1 Ref.
Yes	224	0.68 (0.45, 1.04)	458	0.62 (0.44, 0.89)*	128	0.61 (0.38, 0.98)*
Gas stove used for heating
Yes	382	1 Ref.	795	1 Ref.	239	1 Ref.
No	105	0.56 (0.34, 0.94)*	218	0.57 (0.38, 0.85)*	73	1.12 (0.66, 1.92)

*P-value <0.05.
^aAdjusted for gas stove used for heating, age group, sex, parental history of asthma or hay fever, and pets in the house, household income < $20,000, and BMI.
^bAdjusted for gas stove used for heating, age group, parental history of asthma or hay fever, pets in the house, indoor tobacco smoke, race-ethnicity, household income < $20,000, and BMI.
^cAdjusted for gas stove used for heating, age group, parental history of asthma or hay fever, indoor tobacco smoke, race-ethnicity, household income < $20,000, and census region.

ISSN: 1476-069X