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House‐dust‐mite allergen (Der p 1) levels in university colleges
Author(s) -
Mahmic A.,
Tovey E. R.
Publication year - 1998
Publication title -
allergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.363
H-Index - 173
eISSN - 1398-9995
pISSN - 0105-4538
DOI - 10.1111/j.1398-9995.1998.tb03799.x
Subject(s) - allergen , mite , dust mites , medicine , hygiene , house dust mite , toxicology , zoology , environmental health , veterinary medicine , allergy , immunology , biology , ecology , pathology
Background In coastal Australia, mean house‐dust‐mite allergen concentration is 20‐40 times higher in homes than in public buildings. Allergen concentrations in university colleges, which share some eharacteristics of both homes and public buildings, are not known. The study aimed to compare bed mite‐allergen concentration in colleges with local homes. Methods Mattress dust was collected from three colleges (n = 60 m each) and local homes (N=68) during summer, Der p 1 was measured by ELISA. Information was collected on the floor plan of the colleges, cleaning practices, age of building, and orientation of room. Results Most college mattresses (94%) had Der p 1 concentrations less than the mean of homes in the same climate. The geometric means of Der p 1 m the mattresses of the colleges were as follows: A, 8.9 pg Der p 1/g fme dust (95% CI 6.9,11.5); B, 1.9 (1.5,2.3); and C, 1.5 (1.2,2.0), compared to homes, 22,5 (17.6, 28.7). The percentages of college mattresses with less than 2 jig/ g were 7%, 48%, and 58%, respectively, compared to 4% for homes. Higher Der p 1 concentrations were weakly associated with age of building in college A, and orientation in college B, Der p 1 concentrations were independent of floor level and age of mattress. Conclusions These findings indicate that low allergen concentrations are achievable without extreme hygiene and cleaning measures in a climate which supports mite proliferation in homes.

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