Journal
ENVIRONMENTAL POLLUTION
Volume 216, Issue -, Pages 845-850Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2016.06.057
Keywords
Atopic dermatitis; Contact dermatitis; Eczema; Bioaerosols; Land use regression
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Funding
- Ministry of Science and Technology, Republic of China [MOST103-2119-M-038-001]
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Allergic skin diseases may result from various types of chemical and biological allergens. This study investigated the association between ambient bioaerosol exposure and allergic skin diseases by using the exposure data obtained from land use regression models and interpolated data. Data on daily average outpatient visits for atopic dermatitis (ICD-9-CM 691.8) and contact dermatitis and other eczema (ICD-9-CM 692.9) between November 2011 and August 2012 were obtained from the National Health Insurance Research Database. A generalized estimating equation was used to analyze the associations between the skin diseases and ambient bioaerosol levels. The results indicated that during the study period, contact dermatitis and other eczema were more prevalent than atopic dermatitis in the study area. Most cases were observed in districts of Taipei City and 3 major districts of New Taipei City, namely Xinzhuang, Banqiao, and Xindian. In univariate analysis, most bioaerosols were positively associated with both skin diseases. After adjustment for air pollution and sociodemographic factors, exposure to total fungal spores was significantly associated with atopic dermatitis in males (relative risk [RR] = 1.12; 95% confidence interval [CI] = 1.05-1.19). Contact dermatitis and other eczema had significant relationships with Cladosporiutn in males (RR = 1.07; 95% CI.= 1.02-1.14) and with Aspergillus/Penicilliurn in females (RR = 1.04; 95% Cl = 1.02-1.07). Meteorological parameters, namely wind speed, temperature, and rainfall, were also significantly associated with skin diseases. Our findings reveal that exposure to ambient bioaerosols is a significant and independent risk factor for allergic skin diseases. (C) 2016 Published by Elsevier Ltd.
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