Abstract
The prevalence of allergic diseases has greatly increased in recent decades, likely due to contamination of the environment with allergy irritants. One common treatment is identifying that allergy irritant, and then avoiding exposure to it. This article studies the relation between the prevalence of allergic asthma and certain allergy irritants that are related to environmental variables. To that end, we use spatial association rule mining to determine the association between the spatial distribution of allergic asthma prevalence and air pollutants such as CO, SO2, NO2, PM10, PM2.5, and O3 (from data compiled by air pollution monitoring stations), as well as other factors, such as the distance of residence from parks and roads. In order to clear up the uncertainties inherent in the attributes linked to the spatial data, the dimensions in question have been defined as fuzzy sets. Results for the case study (i.e. Tehran metropolitan area) indicate that distance to parks and roads, as well as CO, NO2, PM10, and PM2.5 levels are related to allergic asthma prevalence, while SO2 and O3 are not. Finally, we use the extracted association rules in fuzzy inference system to produce the spatial risk map of allergic asthma prevalence, which shows how much is the risk of allergic asthma prevalence at each point of the city.
Highlights
Over the last few decades, the prevalence of allergic diseases has greatly increased, especially among children
Confidence says that 6.78% of the total sampling population lives in locations where the amounts of NO2 and PM2.5 and the effect of nearby parks are very high, and that they are suffering from allergic asthma; this is true a) c) Fig. 8
This article uses fuzzy spatial association rule mining to investigate the relation between the prevalence of allergic asthma and certain environmental variables
Summary
Over the last few decades, the prevalence of allergic diseases has greatly increased, especially among children. This is widely assumed to be due to modern living conditions in environments contaminated with allergy irritants (Zöllner et al 2005, Ng et al 2009). Allergic asthma, which causes airway obstruction and inflammation, is a type of asthma triggered by allergens. Unlike non-allergic asthma, the symptoms of this type of asthma are associated with an allergic reaction involving the immune system. Many of the symptoms of allergic and non-allergic asthma are the same (coughing, wheezing, shortness of breath or rapid breathing, chest tightness); allergic asthma is triggered by inhaled irritants such as pollen etc. Many of the symptoms of allergic and non-allergic asthma are the same (coughing, wheezing, shortness of breath or rapid breathing, chest tightness); allergic asthma is triggered by inhaled irritants such as pollen etc. which result in asthma symptoms (Rackemann 1947, Romanet Manent et al 2002)
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