Abstract
BackgroundAsthma is recognized as a major public health concern in the world. The aim of this investigation was to evaluate the prevalence of asthma by using the Global Allergy and Asthma Network of Excellence (GA2LEN) questionnaire and examine its association with chronic rhinosinusitis, in the province of Bushehr, Southwestern of Iran.MethodsIn a cross-sectional, population-based study, a total of 5420 invited individuals, aged 15–65, were selected through a multi-stage, stratified, cluster random sampling and from which 5201 completed the GA2LEN questionnaire (response rate = 95.9%). The prevalence of asthma, current, and physician-diagnosed asthma were analyzed by using sex and age groups and the association of asthma and chronic rhinosinusitis (CRS) was investigated using a multiple logistic regression model.ResultsBased on the information from the GA2LEN questionnaire, the overall prevalence of asthma in the population under study was 10.0% (95% CI 9.2–10.8). Moreover, the prevalence of current asthma was 8.9% (95% CI 8.1–9.7). Further, the prevalence of current early, late-onset and physician-diagnosed asthma within the asthma group was 51.1% (95% CI 46.5–55.7), 48.9% (95% CI 44.3–53.5) and 3.9% (95% CI 2.1–2.5), respectively. Additionally, CRS was more frequent among the participants with asthma [(57.3%, OR = 2.3; 95% CI 2.1–2.5)], and there was a significant association between CRS and current, early and late-onset of asthma (P < 0.001; OR = 4.4, 3.2 and 6, respectively).ConclusionThis large population study conducted in the southwestern part of Iran suggests that the prevalence of asthma is high. Moreover, the result of this study showed a strong association of asthma with CRS; also after adjusting for sex, age, educational level, and smoking.
Highlights
Asthma is one of the most common respiratory disease affecting about 330 million people throughout the world [1]
Asthma is more prevalent in developed countries comparing to the developing world and a study was conducted in the adult population of Tehran, Iran in 2017 using European Community Respiratory Health Survey (ECRHS) questionnaire, showed the prevalence of asthma as 8.9% [14]
Based on the results of this study, the total prevalence of asthma and the current asthma was 10.0% and 8.9%, respectively
Summary
Asthma is one of the most common respiratory disease affecting about 330 million people throughout the world [1]. Asthma is more prevalent in developed countries comparing to the developing world and a study was conducted in the adult population of Tehran, Iran in 2017 using European Community Respiratory Health Survey (ECRHS) questionnaire, showed the prevalence of asthma as 8.9% (95% CI 8.5–9.3) [14]. The Global Allergy and Asthma European Network (GA2LEN), the Sixth EU Framework Program for Research and Technological Development (FP6) Network of Excellence, proposed a standardized questionnaire for the assessment of the prevalence of respiratory allergic diseases [18]. Asthma is recognized as a major public health concern in the world The aim of this investigation was to evaluate the prevalence of asthma by using the Global Allergy and Asthma Network of Excellence (GA2LEN) questionnaire and examine its association with chronic rhinosinusitis, in the province of Bushehr, Southwestern of Iran
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