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KMID : 0390020110210030186
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Pediatric Allergy and Respiratory Disease
2011 Volume.21 No. 3 p.186 ~ p.196
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Comparison of Prevalence and Risk Factors of Atopic Dermatitis by Physical Examination and Questionnaire Survey in Elementary School Children
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Lee Jung-Hyun
Kim Eun-Hye
Cho Joong-Bum
Kim Hye-Young
Suh Jung-Min
Ahn Kang-Mo
Cheong Hae-Kwan
Lee Sang-Il
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Abstract
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Purpose:The present study aimed to evaluate the accuracy of determining the prevalence of atopic dermatitis (AD) with a questionnaire by diagnosing AD with both a questionnaire and pediatricians’ physical examinations and to determine the possible risk factors for AD.
Methods:A survey was conducted from December 2008 to February 2009 in four elementary schools. The Korean version of the International Study of Asthma and Allergies in Childhood written questionnaire (WQ) was used to identify AD ever and AD during the last 12 months. Current AD was diagnosed by well-trained pediatricians according to the Hanifin and Rajka’s diagnostic criteria. A total of 2,729 children who completed the questionnaire and underwent a physical examination by pediatricians were included in this analysis.
Results:According to the WQ, the prevalence of AD in the entire life and in the last 12 months was 18.4% and 12.9%, respectively. The prevalence of clinically diagnosed AD by pediatricians was 8.8%. There was a significant positive relationship between the prevalence of AD diagnosed by physical examination and past history of allergic rhinitis (adjusted odds ratio [aOR], 1.45), allergy history of the mother (aOR, 2.48), and AD history of the mother (aOR, 1.61). According to the WQ, there was also a significant positive relationship between the prevalence of AD in the last 12 months and past history of asthma (aOR, 2.55) and AD history of the mother (aOR, 1.71).
Conclusion:Prevalence and risk factors of AD were different according to the survey methods. When prevalence of AD is determined with a questionnaire in the future, more careful attention should be used, because the result can be overestimated compared to the actual prevalence.
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KEYWORD
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Atopic dermatitis, Prevalence, Children, Risk factors, ISAAC
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