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Allergic rhinitis (AR) is a prevalent disease affecting the quality of life of patients throughout the world. This study aimed to assess the prevalence of AR and its association with chronic rhinosinusitis (CRS) in the adult population living in Bushehr, southwestern part of Iran. In this population-based study, a total of 5420  individuals aged 15-65 years were selected through a multi-stage, cluster, random sampling method from which 5201 of them completed the Global Allergy and Asthma Network of Excellence (GA2LEN) questionnaire (Response rate=96.1%). The prevalence of AR, based on Allergic Rhinitis and Its Impact on Asthma (ARIA) classification (mild or moderate; intermittent or persistent) was calculated and the association of AR and CRS was evaluated using a multiple logistic regression model. The overall prevalence of AR was 28.8%, and for the intermittent and persistent AR were 25.9% (out of which 81.34% were moderate to severe) and 74.1% respectively. Moreover, the prevalence of AR was significantly higher in health workers and smokers (p=0.002 and p<0.001, respectively). Furthermore, an association was found between AR and CRS (p<0.001, aOR: 4.68, 95%CI: 4.07-5.39), and also, between the persistent AR and CRS as compared with the intermittent (p<0.001, aOR: 4.21, 95%CI: 3.40-5.22). The present study showed that the prevalence of AR in Bushehr (Southwestern part of Iran) was significantly high. In addition, the results indicated a strong association between AR and CRS, especially in individuals with moderate to severe persistent AR. [ABSTRACT FROM AUTHOR]

Asthma and allergic diseases present a major health burden. Information on the prevalence of these diseases indicates that these diseases are increasing in various parts of the world. It was hoped that this study would be helpful to health system policy-makers in planning allergy prevention programs in the region. The prevalence of asthma and allergic diseases and relation between the various risk factors involved were assessed among schoolchildren in the city of Bushehr, Iran. The ISAAC Phase I and III questionnaires were completed by parents of 1280 children aged 6-7 years and self-completed by 1115 students aged 13-14 years. The prevalence of atopic eczema, allergic rhinitis and asthma among 6-7 year-old students were 12.1%, 11.8% and 6.7%, respectively. While, the prevalence of these diseases among 13-14 year-old students were found to be 19%, 30% and 7.6%, respectively. There was an association between asthma and allergic rhinitis as well as eczema (p<0.05). Consumption of fast food as a risk factor was significantly associated with asthma (p=0.03). The prevalence of asthma and allergic diseases was high among schoolchildren in the city of Bushehr, Iran. Also an association was observed between the fast food consumption and asthma. [ABSTRACT FROM AUTHOR]