Table 3. Multivariate Logistic Regression Model Predicting risk factors for 2009 H1N1 Infection.

Variable	Groups	B	OR(95%CI)	p
Region		−0.141	0.869(0.798–0.946)	0.001
Age		−0.016	0.984(0.979–0.990)	0.000
Symptom	Fever	−0.027	0.973(0.669–1.416)	0.887
	ILI	−0.146	0.864(0.587–1.272)	0.458
Occupation		−0.003	0.997(0.934–1.066)	0.940