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Does early exposure to cat or dog protect against later allergy development?
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- Hesselmar, Bill, 1955 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics
- Aberg, N (author)
- Aberg, B (author)
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- Eriksson, B (author)
- Björkstén, B (author)
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- (creator_code:org_t)
- 2001-12-24
- 1999
- English.
- In: Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. - : Wiley. - 0954-7894. ; 29:5, s. 611-7
- Journal article (peer-reviewed)
Abstract
Subject headings
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- It is unknown which factors in modern western society that have caused the current increase in prevalence of allergic diseases. Improved hygiene, smaller families, altered exposure to allergens have been suggested.To assess the relationship between exposure to pets in early life, family size, allergic manifestations and allergic sensitization at 7-9 and 12-13 years of age.The prevalence of allergic diseases and various background factors were assessed in 1991 and 1996 by questionnaire studies. In 1991, the study comprised representative samples of children from the Göteborg area on the Swedish west coast (7 years old, n = 1649) and the inland town Kiruna in northern Sweden (7-9 years old, n = 832). In 1992, a validation interview and skin prick test (SPT) were performed in a stratified sub-sample of 412 children. In 1996, this subgroup was followed up with identical questions about clinical symptoms as in 1991, detailed questions about early pet exposure were added and SPT performed.Children exposed to pets during the first year of life had a lower frequency of allergic rhinitis at 7-9 years of age and of asthma at 12-13 years. Children exposed to cat during the first year of life were less often SPT positive to cat at 12-13 years. The results were similar when those children were excluded, whose parents had actively decided against pet keeping during infancy because of allergy in the family. There was a negative correlation between the number of siblings and development of asthma and allergic rhinitis.Pet exposure during the first year of life and increasing number of siblings were both associated with a lower prevalence of allergic rhinitis and asthma in school children.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Lungmedicin och allergi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Respiratory Medicine and Allergy (hsv//eng)
Keyword
- Adolescent
- Allergens
- immunology
- Animals
- Animals
- Domestic
- immunology
- Asthma
- prevention & control
- Cats
- Child
- Dogs
- Family Health
- Humans
- Hypersensitivity
- Immediate
- prevention & control
- Infant
- Infant
- Newborn
- Inhalation Exposure
- Rhinitis
- Allergic
- Perennial
- prevention & control
- Risk Factors
- Skin Tests
- Surveys and Questionnaires
- Time Factors
Publication and Content Type
- ref (subject category)
- art (subject category)
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