Table 4. Logistic regression of factors associated with allergic rhinitis.

Parameters			OR (95% CI)	p-value
Sociodemographic characteristics
	Residential area
		Area D (control area)	1.00
		Area A	1.33 (0.7–2.54)	0.39
		Area B	1.75 (0.92–3.32)	0.09
		Area C	1.79 (0.9–3.57)	0.10
	Sex
		Male	1.00
		Female	1.51 (0.93–2.45)	0.10
	Age (yr)
		19–29	1.00
		30–39	1.22 (0.61–2.45)	0.57
		40–49	0.99 (0.54–1.82)	0.97
		50–59	1.1 (0.58–2.09)	0.77
		> 60	0.56 (0.28–1.12)	0.10
	Smoking status
		Non-smoker	1.00
		Smoker	0.87 (0.48–1.56)	0.64
	Alcohol consumption
		Non-drinker	1.00
		Current drinker	0.71 (0.47–1.07)	0.10
	Pets at home
		No	1.00
		Yes	1.2 (0.74–1.94)	0.46
	Carpets at home
		No	1.00
		Yes	1.79 (1.14–2.8)	0.01
	Duration of residence		1.09 (1.05–1.13)	< 0.001
Perception of environmental air pollution around the residential area
	Very satisfied		1.00
	Satisfied		0.93 (0.31–2.76)	0.90
	Neutral		1.38 (0.46–4.12)	0.56
	Dissatisfied		2.65 (0.87–8.08)	0.09
	Very dissatisfied		4.21 (1.25–14.16)	0.02

Adjusted for Sociodemographic characteristics (residential area, sex, age, smoking status, alcohol consumption, pets at home, carpets at home, duration of residence) and perception of air pollution around the residential area.

OR: odds ratio; CI: confidence interval.