| Reduced risk of atopic sensitization among farmers: the Humboldt study. | |
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MedLine Citation:
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PMID: 17664888 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: It needs to be clarified whether farming is associated with a reduced risk of atopy or allergic condition. There is a lack of consistent evidence for prevalences of atopy, respiratory allergy and asthma in adult farmers. METHODS: A cross-sectional study of adults (n = 2,081) was conducted in the town of Humboldt, Sask. Allergy skin prick tests were conducted to determine atopic sensitization. Respiratory allergy and physician-diagnosed asthma were based on self-reporting. Logistic regression was used to assess the associations of atopy, respiratory allergy and asthma with farming practices, adjusting for other important variables. RESULTS: Of 2,081 participants, 27.8% were farmers. Reduced risks of atopic sensitization, respiratory allergy and asthma were observed among farmers compared to non-farmers. After adjustment for sex and age, which are major confounders, the odds ratio for atopic sensitization was 0.79 (95% confidence interval: 0.65, 0.97) for farmers versus non-farmers. Asthma showed a similar trend; however, there was no statistically significant difference in either respiratory allergy or asthma rates observed between farmers and non-farmers. CONCLUSIONS: The prevalence of atopy was lower in adult farmers than in non-farmers. |
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Authors:
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Yue Chen; Donna Rennie; Yvon Cormier; Helen McDuffie; Punam Pahwa; James Dosman |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2007-07-11 |
Journal Detail:
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Title: International archives of allergy and immunology Volume: 144 ISSN: 1423-0097 ISO Abbreviation: Int. Arch. Allergy Immunol. Publication Date: 2007 |
Date Detail:
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Created Date: 2007-11-16 Completed Date: 2007-12-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9211652 Medline TA: Int Arch Allergy Immunol Country: Switzerland |
Other Details:
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Languages: eng Pagination: 338-42 Citation Subset: IM |
Copyright Information:
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Copyright 2007 S. Karger AG, Basel. |
Affiliation:
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Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ont., Canada. ychen@uottawa.ca |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Agriculture* Allergens / adverse effects, immunology Asthma / epidemiology* Canada / epidemiology Cross-Sectional Studies Female Humans Hypersensitivity, Immediate / epidemiology* Male Prevalence Respiratory Hypersensitivity / epidemiology* Skin Tests |
| Chemical | |
Reg. No./Substance:
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0/Allergens |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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