Environ Health Toxicol.
2015 ;30(1):e2015008. 10.5620/eht.e20150008.
The effects of a newsletter on bedding control on house dust mite allergen concentrations in childcare centers in Korea
- Affiliations
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- 1Department of Environmental Health Research, Seoul Medical Center, Seoul, Korea.
- 2Department of Environmental Health, Graduate School of Public Health, Seoul National University, Seoul, Korea.
- 3Department of Internal Medicine and Institute of Allergy, Yonsei University College of Medicine, Seoul, Korea.
- 4Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Korea. hojang@dankook.ac.kr
- 5Atopy Asthma Center, Seoul Medical Center, Seoul, Korea.
- 6Department of Public Health, Graduate School of Public Health, Korea University, Seoul, Korea.
- 7Department of Public Health Nutrition, Graduate School of Public Health, Seoul National University, Seoul, Korea.
- KMID: 2380084
- DOI: http://doi.org/10.5620/eht.e20150008
Abstract
OBJECTIVES
Bedding in childcare centers (CCCs) can hold house dust mite (HDM) allergens. This study examined whether HDM allergen levels can be reduced through the distribution of an educational newsletter on bedding control to parents of CCC children in Korea.
METHODS
All 38 CCCs were measured for Der 1 (sum of Der f 1 and Der p 1) concentrations on classroom floors and bedding before the intervention. Educational newsletters on children's bedding control were sent to 21 CCCs by mail, and teachers were asked to distribute the newsletters to the parents of the children (intervention group). The remaining 17 CCCs were not sent newsletters (control group). The measurement of Der 1 concentrations in 38 CCCs was repeated after the intervention. Dust samples were collected with a vacuum cleaner and analyzed using enzyme-linked immunosorbent assay methods.
RESULTS
The Der 1 concentrations on the bedding were significantly higher than those on the floors in 38 CCCs at baseline (p<0.05). Although changes of the Der 1 concentrations for the control group (n=17) were not significant, Der 1 concentrations for the intervention group (n=21) decreased significantly from 2077.9 ng/g dust to 963.5 ng/g dust on the floors and from 3683.9 ng/g dust to 610.4 ng/g dust on bedding (p<0.05).
CONCLUSIONS
The distribution of educational newsletters on bedding control to parents may be an effective means of controlling HDMs in CCCs.
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