Table 3.

Odds ratios for the relationship between exposure to sulfur dioxide and emergency department visits for allergic rhinitis and asthma in the Zlatibor district, Serbia

ED visits	Lags	OR* (95% CI)	OR† (95% CI)	OR‡ (95% CI)
Allergic respiratory diseases	Lag (0)	1.53 (1.01–2.31), P=0.044	1.53 (1.00–2.34), P=0.049	1.62 (1.05–2.48), P=0.028
Asthma with allergic rhinitis	Lag (−2)	1.97 (1.03–3.77), P=0.041	1.97 (1.02–3.80), P=0.044	2.00 (1.03–3.88), P=0.042

*Crude; ^†Adjusted for temperature, humidity and air pressure on the same day; ^‡Adjusted for temperature, temperature² and humidity on the previous day. ED=Emergency department; OR=Odds ratio; CI=Confidence interval