Multivariate analysis table of some factors related to allergic rhinitis (n = 3366) Factors OR adjusted 95% CI p-value School group Suburban - Urban 1, 15 0, 90 - 1, 46 0, 253 Personal urticaria history No - Yes 1, 31 1, 05 - 1, 64 0, 016 Personal asthma history No - Yes 2, 33 1, 67 - 3, 26 <0, 001 Personal eczema history No - Yes 2, 13 1, 08 - 4, 18 0, 028 Family allergy history No - Yes 2, 16 1, 73 - 2, 69 <0, 001 History of exposure to smoke, dust, pets hair No - Yes 2, 29 1, 83 - 2, 85 <0, 001 Nasal septum deformities No - Yes 117, 34 46, 91 - 293, 5 <0, 001 Considering the inclusion of multivariable models of p<0, 2 in multivariable analysis, the results suggested that personal allergy history, family allergy history, exposed to smoke, dust, pets hair and nasal septum deviationsome were factors associated with allergic rhinitis (p <0.05).