title: Mite asthma and residency. A case-control study on the impact of exposure to house-dust mites in dwellings.
abstract: The occurrence of mites in house dust from the homes of 25 patients with newly diagnosed house-dust mite asthma was much greater than that in the house dust from homes of 75 randomly selected matched control subjects. The difference in exposure corresponded to a relative risk of about 7.0, and a clear dose-response relationship could be demonstrated. The 25 patients lived in older and more humid houses than the control subjects did, which explains the greater number of house-dust mites found and suggests possibilities for and the necessity of introducing hygienic standards for the indoor environment as a measure of primary prevention in house-dust mite allergy.
mesh_terms: D000485:Allergens; D001249:Asthma / Q000209:etiology* / Q000276:immunology / Q000517:prevention & control; D001512:Bedding and Linens; D004391:Dust; D004781:Environmental Exposure; D005260:Female; D006798:Housing; D006801:Humans; D006813:Humidity; D008297:Male; D008925:Mites / Q000276:immunology*; D011852:Radioallergosorbent Test; D013696:Temperature
chemical_list: D000485:Allergens; D004391:Dust