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The Relevance of Residential Environment to Atopy Prevalence Based on Skin Prick Test in Rural Community Cohort in Korea.
Saturday, March 5, 2016
South Exhibit Hall H (Convention Center)
Eun-Jin Kim, PhD, Dankyu Yoon, Hye-Sun Lim, Jeom-Kyu Lee, Joo Shil Lee, PhD
Rationale: Atopic sensitization varies among countries but it has not known what kinds of factors are critical for it, although various things are supposed to be important element
 such as age, obesity, lifestyle, allergen. Especially, it is considered that residential environment, such as urban or rural area may have an effect on sensitization.
Thus we evaluated the distributions of atopy prevalence in rural community cohort in Korea

Methods: Skin Prick Test for 12 common allergens were performed on 1,730 persons aged 7 to 82 from the general population. Atopy was defined as sensitization to at least more than 1 allergen.
Allergic diseases were defined as a history of asthma, allergic rhinitis or atopic dermatitis diagnosed at any point in the lifetime. MBPT was also examined for allergic asthma diagnosis by physician.
Statistical analysis was conducted by R statistics software.

Results: Of 1,730 subjects, 57.6% was female (n=996). Age range was 60.15±15.06. Asthma prevalence was 3.5% and the average of atopy prevalence was 24.5%.
 The most common sensitizing allergen was Der f (14.5%) and Der p (11.3%) in all age group. The highest atopy prevalence was shown at teenagers (58.5%). 

Conclusions: Atopy prevalence showed various range with age in the community It was supposed that household income, education level and old age may affect atopy prevalence.
Comparing with previous nationwide study, the prevalence of asthma was relatively low.
Further investigation is needed for urban area with broad ranges of age to give clues for residential environments effect on atopic sensitization.