Allergy Asthma Respir Dis.  2016 Sep;4(5):346-353. 10.4168/aard.2016.4.5.346.

Prevalence of atopic dermatitis and its associated factors for elementary school children in Gyeonggi-do province

• Kim E
• Ri S
• Seo SC
• Choung JT
• Yoo Y

• KMID: 2391924
• DOI: http://doi.org/10.4168/aard.2016.4.5.346

Abstract

PURPOSE
This study aimed to investigate the prevalence of atopic dermatitis (AD) and associated factors for AD in a total of 2,077 children from 5 elementary schools in Gyeonggi-do province.
METHODS
AD was defined when parents answered "Yes" to a question in the on International Study of Asthma and Allergies in Childhood questionnaire "Has your child ever has itchy rashes with xax and wane pattern for at least 6 months?" in October 2012. SCORing Atopic Dermatitis index, skin prick testing and blood testing, were evaluated.
RESULTS
The prevalence of AD was 25.9% among 2,077 elementary school children in Gyeonggi-do province. Proportions of obesity (8.0% vs. 4.5%, P=0.004) and breast-feeding over 6 months (46.6% vs. 41.3%, P=0.035) were significantly higher in children with AD than those without. No significant differences were found in terms of sex, age, body mass index, history of breast-feeding ever and mode of delivery beween AD and non-AD children. obesity (adjusted odds ration [aOR], 1.80; 95% confidence interval [CI], 1.13-2.75; P=0.006) and breast-feeding over 6 months (aOR, 1.35; 95% CI, 1.03-1.77; P=0.029) were found as significant associated factors for AD. When stratified by sex, obesity in boys (aOR, 2.67; 95% CI, 1.53-4.66; P=0.001) and breast-feeding history in girls (aOR, 1.47; 95% CI, 1.03-2.11; P=0.034) were independently considered significant associated factors for AD. We found more boys (66.7%, P=0.028) than girls among the severe AD cases. Male sex was considered an associated factor of having severe AD (aOR, 2.23; 95% CI, 1.01-4.73; P=0.048).
CONCLUSION
The prevalence of AD was 25.9% in elementary school children in Gyeonggi-do. province obesity and breast-feeding over 6 months were found as associated factors of having AD. Male sex was considered an associated factor for severe AD.

Keyword

Atopic dermatitis; Child

MeSH Terms

Asthma
Body Mass Index
Child*
Dermatitis, Atopic*
Exanthema
Female
Gyeonggi-do*
Hematologic Tests
Humans
Hypersensitivity
Male
Obesity
Parents
Prevalence*
Skin

Figure

• 

  Fig. 1 (A) The most common sensitized allergen group was house dust mites, followed by pollen, animal dander, fungus, and food allergens and (B) the sensitization rates to the common allergens in the severe atopic dermatitis (AD) group were not significantly different from those in the mild-to-moderate AD group. Der. p., Dermatophagoides pteronyssinus; Der. f., Dermatophagoides farinae.

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