Table 5.

The significant risk factors for current asthma in old and new communities analyzed by univariate analyses.

Factors	Old communities		New communities
	OR (95% CI)	p	OR (95% CI)	p
History of allergic rhinitis	3.14 (2.01, 4.90)	<0.001	2.19 (1.46, 3.30)	<0.001
History of eczema	1.68 (1.09, 2.60)	0.020	2.40 (1.67, 3.46)	<0.001
History of food allergy	3.14 (2.04, 4.84)	<0.001	2.33 (1.59, 3.42)	<0.001
Antibiotic use (1st year)	1.87 (1.20, 2.90)	0.005	2.30 (1.58, 3.34)	<0.001
Paracetamol use (1st year)	1.41 (0.92, 2.15)	0.119	2.04 (1.41, 2.95)	<0.001
Frequency of paracetamol use	1.79 (1.18, 2.72)	0.006	1.58 (1.07, 2.33)	0.022
Maternal rhinitis	3.49 (1.93, 6.31)	<0.001	2.49 (1.51, 4.13)	<0.001
Maternal asthma	6.56 (2.16, 19.92)	0.001	5.87 (2.34, 14.70)	<0.001
Paternal rhinitis	3.45 (2.03, 5.83)	<0.001	2.08 (1.27, 3.41)	0.004
Paternal asthma	8.05 (3.67, 17.65)	<0.001	6.69 (3.04, 14.74)	<0.001
Dampness or mildew	2.95 (1.72, 5.08)	<0.001	1.57 (0.88, 2.80)	0.123
Infrequent house cleaning	1.20 (1.04, 1.39)	0.016	1.05 (0.89, 1.24)	0.536
Truck traffic in residential streets	1.32 (1.03, 1.68)	0.028	1.25 (0.98, 1,59)	0.068
Floor
Solid wood flooring	0.83 (0.56, 1.25)	0.378	0.68 (0.47, 0.98)	0.039
Laminated flooring	1.34 (0.87, 2.06)	0.190	1.54 (1.06, 2.26)	0.025

OR, odds ratio; CI, confidence interval; 1st year, in the first year of life. Bold font means statistical significance (p < 0.05).