Prevalence and risk factors of allergic rhinitis in Beijing region

Objective To examine the prevalence and risk factors of allergic rhinitis in Beijing region.Methods A total of 2 215 residents were selected with stratified cluster sampling and surveyed with a questionnaire,physical examination and skin prick test on allergic rhinitis.Results The prevalence of allergic rhinitis was 25.72% and there was no significant between-gender difference in the prevalence(P>0.05).The partiapants of 21-30 years old had the highest prevalence rate and there were statistical between-age group difference(P<0.05).Occupation,living environmental pollution,cockroaches and other insects in house,with parental allergic rhinitis history,pollen allergies,asthma history,and occupational exposure to dust were influencing factors of allergic rhinitis(all P<0.05).The results of multi-factor logistic regression showed that living environmental pollution(odds ratioOR=2.437),parental history of allergic rhinitis(OR=8.546),pollen allergies(OR=3.752),history of asthma(OR=1.873),and occupational dust exposure(OR=3.182) were the risk factors of allergic rhinitis.Conclusion The prevalence of allergic rhinits is higher in young adults but then decreases with the increment of age among the residents in Beijing region.