Table 2.

The effect of early HDM sensitization on 7-year-old asthma and allergic rhinitis.

Variables	Univariate analysis		Multivariate analysis
	OR (95% CI)	P value	OR (95% CI)	P value
7-year-old asthma
Early HDM sensitization	5.86 (1.08–31.90)	0.041*	13.35 (1.17–153.02)	0.037*
Maternal asthma	13.44 (0.78–233.2)	0.074	30.44 (0.81–1143.6)	0.065
Preeclampsia during pregnancy	13.44 (0.78–233.2)	0.074	30.44 (0.81–1143.6)	0.065
7-year-old allergic rhinitis
Early HDM sensitization	6.89 (2.39–19.86)	<0.001*	10.18 (2.09–49.57)	0.004*
Cord blood soluble Fas ligand level (pg/mL)	1.01 (1.00–1.01)	0.043*	1.01 (1.00–1.02)	0.055
1.5–2 year-old vitamin D level (ng/mL)	0.96 (0.92–0.99)	0.038*	0.93 (0.87–0.98)	0.011*
Minimizing objects that accumulate dust	0.38 (0.18–0.90)	0.026*	0.20 (0.04–0.89)	0.034*

OR: odds ratio, 95% CI: 95% confidence interval, HDM: house dusts mite.

*P value < 0.05 (by logistic regression analysis)