Prevalence of allergic diseases in schoolchildren in relation to family history, upper respiratory infections, and residential characteristics.

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The prevalences of asthma, allergic rhinitis (AR), and eczema were analyzed in relation to retrospective risk factors from birth in a questionnaire study of schoolchildren in two areas covering the whole climatic span of Sweden: the Göteborg area on the southwestern coast (7-year-olds, n = 1649) and Kiruna, a mining town in the northernmost inland mountains (7-9-year-olds, n = 832). The strongest background factor, a family history of the diseases, was more common in children with another strong risk factor, particularly for asthma: high frequency of upper respiratory tract infection (URTI). Other significant risk factors related to high indoor humidity caused an increased prevalence of both allergic diseases and URTI. Active mechanical ventilation of the homes caused a slight reduction of the prevalence of allergic diseases, and repainting or new wallpaper in the bedroom of the child after birth caused a moderately increased risk of allergic disease. This study illustrates the interaction between genetic and environmental risk factors with special emphasis on factors related to an unventilated indoor climate, which may have substantially contributed to the current increase of the diseases in the country.

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Lungmedicin och allergi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Respiratory Medicine and Allergy hsv//eng
Child
Family Health
Housing
Humans
Hypersensitivity
epidemiology
etiology
genetics
Prevalence
Respiratory Tract Infections
epidemiology
etiology
Retrospective Studies
Risk Factors
Surveys and Questionnaires

Sundell, J (författare)
Eriksson, B (författare)
Hesselmar, Bill,1955Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics(Swepub:gu)xhessb (författare)
Aberg, B (författare)
Göteborgs universitetInstitutionen för kvinnors och barns hälsa, Avdelningen för pediatrik (creator_code:org_t)

Av författaren/redakt...: Aberg, N; Sundell, J; Eriksson, B; Hesselmar, Bill, ...; Aberg, B

Om ämnet

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Lungmedicin och ...

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