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The relationship between atopic dermatitis and indoor environmental factors: a cross-sectional study among Japanese

Shigekazu Ukawa1, Atsuko Araki, Ayako Kanazawa

  • 1Department of Public Health Science, Hokkaido University Graduate School of Medicine, Hokkaido, Sapporo, Japan.

International Archives of Occupational and Environmental Health
|September 8, 2012
PubMed

Insights

Home environments with non-electric heating, visible mold, or odors are linked to atopic dermatitis in Japanese children. These factors, particularly mold and odors, pose higher risks for boys.

Area of Science:

  • Environmental Health
  • Pediatric Dermatology
  • Epidemiology

Background:

  • Atopic dermatitis (AD) is a common skin condition in children.
  • Home environmental factors are suspected contributors to AD development.
  • Understanding these links is crucial for prevention strategies.

Purpose of the Study:

  • To investigate the association between home environmental factors and atopic dermatitis in Japanese elementary school children.
  • To identify specific environmental risks within the home setting.

Main Methods:

  • A cross-sectional study involving 4,254 children from 12 elementary schools in Sapporo, Japan.
  • Atopic dermatitis diagnosis using the International Study of Asthma and Allergies in Childhood questionnaire.
  • Analysis of 14 home environment factors, controlling for confounders and performing gender-stratified analysis.

Main Results:

  • The prevalence of atopic dermatitis was 16.7%.
  • Risk factors included non-electric heating without external ventilation, visible mold, moldy odors, and window condensation (OR 1.25-1.54).
  • Visible mold and moldy odors were significant risk factors for boys (OR 1.28-1.64) but not girls.

Conclusions:

  • Specific home environmental factors are associated with atopic dermatitis in Japanese children.
  • Mold and poor ventilation appear to be key risk factors, especially for boys.
  • Further research is recommended to validate these findings and inform public health interventions.
Abstract

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