title: [Correlations between skin allergy caused by common environmental factors and asthma].
abstract: OBJECTIVE
  To determined the effect of skin allergy(skin prick tests) on asthma, and to study the environmental causes of asthma.
  
  
  METHODS
  591 persons with asthma history were recruited and 2483 relatives of them were investigated. The questionnaire and skin test (with 4 allergens) were conducted for all relatives. EPI5.01 and SAS6.12 were applied for statistical analysis.
  
  
  RESULTS
  There was 14.6% percent of persons with asthma history among the relatives, showing at the same time an increasing trend with the age. 30.0% percent of the relatives showed positive skin prick tests (rash or erythema), and the positive rash and erythema was 41.5% and 9.6% respectively. Positive skin prick tests, rash and erythema were all related with asthma and the OR was 1.46, 1.83 and 2.05 respectively, and there were all statistical significance (P < 0.01).
  
  
  CONCLUSIONS
  Environmental allergen is one of the important risk factors on asthma.
authors.affiliation: Anhui Institute of Environmental Science, Hefei 230061, China.
authors.forename: Xiaotie
authors.initials: X
authors.lastname: Zhou
authors.forename: Yongtang
authors.initials: Y
authors.lastname: Jin
authors.forename: Xingzhou
authors.initials: X
authors.lastname: He
mesh_terms: D000293:Adolescent; D000328:Adult; D000485:Allergens; D001249:Asthma / Q000209:etiology*; D004890:Erythema / Q000209:etiology / Q000276:immunology; D005260:Female; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000209:etiology* / Q000276:immunology; D008297:Male; D008875:Middle Aged; D011058:Pollen; D012882:Skin Tests; D011795:Surveys and Questionnaires
chemical_list: D000485:Allergens