Table 3—

Multiple logistic regression analysis for the risk factors of asthma

Independent variables	Categories	OR	95% CI	χ²	p-value
Japanese population
CCR3 51C allele		1.72	0.79–3.74	1.85	0.172
Total serum IgE	≥200 IU·mL⁻¹	5.86	3.53–9.74	46.4	<0.001
RAST (house dust mite)	≥2	0.86	0.51–1.44	0.34	0.561
British population
CCR3 51C allele		2.83	1.26–6.32	6.41	<0.02
Total serum IgE	≥200 IU·mL⁻¹	72.60	9.6–547.1	17.30	<0.001
RAST (house dust mite)	≥2	4.39	2.08–9.28	15.00	<0.001

OR: odds ratio; CI: confidence interval; χ²: Chi-squared; IgE: immunoglobulin E; RAST: radioallergosorbent test
allele present