Table 3.

Trends of Sensitization for Total and Specific IgE according to Smoking Status.

	Total IgE (≥150 kU/L)	IgE for Df (≥0.35 kU/L)	IgE for cockroach (≥0.35 kU/L)	IgE for dog (≥0.35 kU/L)
	Coefficient (95% CI)
Non-smoker	Reference	Reference	Reference	Reference
Ex-smoker	1.108 (0.743, 1.651)	1.200 (0.784, 1.838)	0.810 (0.515, 1.275)	2.476 (1.256, 4.879)
Current smoker	1.702 (1.148, 2.524)	1.482 (1.028, 2.137)	0.990 (0.673, 1.458)	2.119 (1.035, 4.339)
p value for trend	0.0062	0.0316	0.9269	0.0658

Df: Dermatophagoidesfarina, IgE: immunoglobulin E