Table 2.

Personal and parental factors for asthma symptoms by univariate analyses.

Personal and parental factors	Ever asthma		Current asthma
	OR (95% CI)	p	OR (95% CI)	p
Age	1.01 (0.94, 1.09)	0.746	0.94 (0.86, 1.02)	0.151
Community	1.03 (1.01, 1.05)	0.012	1.03 (1.01, 1.06)	0.014
Sex
Male	1.00		1.00
Female	0.76 (0.66, 0.87)	<0.001	0.80 (0.68, 0.93)	0.005
BMI status
Not overweight or obese	1.00		1.00
Overweight	1.16 (0.99, 1.37)	0.069	1.08 (0.89, 1.30)	0.455
Obese	1.18 (0.91, 1.53)	0.204	1.13 (0.83, 1.52)	0.440
History of allergic rhinitis	2.76 (2.35, 3.25)	<0.001	2.80 (2.33, 3.36)	<0.001
History of eczema	1.85 (1.59, 2.16)	<0.001	1.90 (1.60, 2.26)	<0.001
History of food allergy	2.14 (1.83, 2.50)	<0.001	2.34 (1.96, 2.80)	<0.001
Antibiotic use (1st year)	2.27 (1.95, 2.64)	0.017	2.19 (1.84, 2.60)	<0.001
Paracetamol use (1st year)	1.62 (1.40, 1.88)	<0.001	1.61 (1.36, 1.91)	<0.001
Frequency of paracetamol use
Never	1.00		1.00
>Once/year	1.54 (1.26, 1.89)	<0.001	1.71 (1.33, 2.19)	<0.001
>Once/month	2.22 (1.65, 3.01)	<0.001	2.95 (2.10, 4.16)	<0.001
Watching TV
<1 h/day	1.00		1.00
1–3 h/day	1.04 (0.90, 1.20)	0.611	1.04 (0.88, 1.23)	0.662
3–5 h/day	0.99 (0.60, 1.60)	0.957	0.96 (0.54, 1.72)	0.887
>5 h/day	Number too small		Number too small
Maternal rhinitis	3.06 (2.47, 3.78)	<0.001	2.95 (2.34, 3.73)	<0.001
Maternal asthma	5.40 (3.58, 8.13)	<0.001	5.47 (3.59, 8.34)	<0.001
Maternal eczema	2.03 (1.46, 2.83)	<0.001	2.12 (1.47, 3.05)	<0.001
Paternal rhinitis	2.89 (2.36, 3.53)	<0.001	2.73 (2.18, 3.14)	<0.001
Paternal asthma	5.90 (4.04, 8.60)	<0.001	7.19 (4.92, 10.53)	<0.001
Paternal eczema	1.21 (0.80, 1.83)	0.372	1.28 (0.80, 2.04)	0.301

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