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Asthma symptoms among Chinese children: the role of ventilation and PM10 exposure at school and home
Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan, Shanxi, Peoples R China.
Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan, Shanxi, Peoples R China.
Shanxi Univ, Inst Environm Sci, Taiyuan, Shanxi, Peoples R China.
Shanxi Univ, Inst Environm Sci, Taiyuan, Shanxi, Peoples R China.
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2017 (English)In: The International Journal of Tuberculosis and Lung Disease, ISSN 1027-3719, E-ISSN 1815-7920, Vol. 21, no 11, p. 1187-1193Article in journal (Refereed) Published
Abstract [en]

SETTING: Respiratory symptoms in relation to environment in Taiyuan, China.

OBJECTIVE: To study associations between school/home exposure and prevalence of respiratory symptoms and self-reported respiratory infections (RIs) among students.

DESIGN: A total of 2134 pupils from 10 schools answered a questionnaire; air pollution at school was measured.

RESULTS: The prevalence of current wheeze, daytime attacks of breathlessness, nocturnal cough, nocturnal respiratory symptoms and RI was respectively 4.4%, 18.7%, 11.6%, 3.6% and 32.3%. Environmental tobacco smoke (ETS) at home was associated with daytime attacks of breathlessness (OR 1.41), nocturnal cough (OR 1.41) and RI (OR 1.26). Redecoration or indoor painting at home was associated with wheeze (OR 2.02), daytime attacks of breathlessness (OR 1.57) and nocturnal symptoms (OR 1.83). Dampness or mould at home was associated with daytime attacks of breathlessness (OR 1.68), nocturnal cough (OR 1.68) and RI (OR 1.69). Particulate matter of diameter  10 microns (PM10) in the classroom was associated with nocturnal cough (OR 1.20/10 μg/m3). PM10 outside school was associated with daytime attacks of breathlessness (OR 1.07/10 μg/m3) and nocturnal cough (OR 1.13/10 μg/m3). Indoor carbon dioxide, a marker of poor ventilation (OR 1.52/1000 parts per million), and relative humidity (RH) (OR 1.33/10%) were associated with nocturnal cough.

CONCLUSION: Dampness, redecoration and ETS at home, as well as poor ventilation flow, and high RH and PM10 concentration at school may influence respiratory health.

Place, publisher, year, edition, pages
2017. Vol. 21, no 11, p. 1187-1193
National Category
Respiratory Medicine and Allergy
Identifiers
URN: urn:nbn:se:uu:diva-336125DOI: 10.5588/ijtld.17.0196ISI: 000414026100016PubMedID: 29037301OAI: oai:DiVA.org:uu-336125DiVA, id: diva2:1165053
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Swedish Research Council, 348-2011-7402Available from: 2017-12-12 Created: 2017-12-12 Last updated: 2018-02-12Bibliographically approved

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