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The home environment of junior high school students in Hyogo, Japan: Associations with asthma, respiratory health and reported allergies
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Occupational and Environmental Medicine. (Eva Vingård)
2016 (English)In: Indoor + Built Environment, ISSN 1420-326X, E-ISSN 1423-0070, Vol. 25, no 1, 81-92 p.Article in journal (Refereed) Published
Abstract [en]

Associations between home environment factors and respiratory symptoms, and reported allergiesamong junior high school students in Kobe, Japan (N¼1048) were investigated in the present study.These were mutually adjusted for age, sex, type of school (private/local) and their significant exposuresto the environment. Totally 13.4% of students reported to have doctor’s diagnosed asthma, 9.9% hadwheeze and 50.1% had attacks of daytime breathlessness during past 12 months, 25.7% of studentsreported that they had pollen allergy, 8.8% had cat allergy and 6.1% had dog allergy. Totally 29.4% ofstudents were living in a wooden house and during past 12 months, 18% of students reported that theirhomes had signs of dampness, 38.2% of homes had window condensation in winter and 7.8% of homeshad indoor painting. Window condensation was associated with wheeze (odds ratio (OR)¼1.54; 95%confidence interval (CI) 1.01–2.34), daytime breathlessness (OR¼2.02; 95% CI 1.56–2.63), airway infec-tion during past 12 months (OR¼1.66; 95% CI 1.17–2.37), cat allergy (OR¼1.63; 95% CI 1.05–2.54);mould allergy (OR¼1.84; 95%CI 1.08–3.12) and pollen allergy (OR¼1.54; 95% CI 1.15–2.06). Recentindoor painting was associated with daytime breathlessness (OR 1.83; 95% CI 1.12–3.00), dog allergy(OR¼2.23; 95% CI 1.02–4.85) and mould allergy (OR¼2.43; 95% CI 1.14–5.17). Living in a wooden housewas associated with dog allergy (OR¼2.17; 95% CI 1.18–4.00) and mould allergy (OR¼1.98; 95% CI1.04–3.76). In conclusion, in Japanese homes, the window condensation in winter, recent indoor paint-ing and living in a wooden house could contribute to the increased risk of respiratory symptoms andallergies for young Japanese school children.

Place, publisher, year, edition, pages
2016. Vol. 25, no 1, 81-92 p.
Keyword [en]
Asthmatic symptoms; Allergy; Japan; Window pane condensation; Indoor painting; Junior high school students
National Category
Environmental Health and Occupational Health
URN: urn:nbn:se:uu:diva-238968DOI: 10.1177/1420326X14537512ISI: 000370704800008OAI: oai:DiVA.org:uu-238968DiVA: diva2:772904
Available from: 2014-12-17 Created: 2014-12-17 Last updated: 2016-04-01Bibliographically approved

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Norbäck, Dan
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