期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 7, 期 12, 页码 4213-4237出版社
MDPI
DOI: 10.3390/ijerph7124213
关键词
indoor; volatile organic compound; glycol ether; asthma; solvent; children
资金
- Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (Formas)
- Swedish Asthma and Allergy Association's Research Foundation
- Swedish Foundation for Health Care Sciences and Allergy Research
- U.S. National Research Service [T32 ES 07069]
- County Council of Varmland, Sweden
- Norwegian Research Council
Propylene glycol and glycol ether (PGE) in indoor air have recently been associated with asthma and allergies as well as sensitization in children. In this follow-up report, sources of the PGEs in indoor air were investigated in 390 homes of pre-school age children in Sweden. Professional building inspectors examined each home for water damages, mold odour, building's structural characteristics, indoor temperature, absolute humidity and air exchange rate. They also collected air and dust samples. The samples were analyzed for four groups of volatile organic compounds (VOCs) and semi-VOCs (SVOCs), including summed concentrations of 16 PGEs, 8 terpene hydrocarbons, 2 Texanols, and the phthalates n-butyl benzyl phthalate (BBzP), and di(2-ethylhexyl) phthalate (DEHP). Home cleaning with water and mop >= once/month, repainting >= one room prior to or following the child's birth, and. newest. surface material in the child's bedroom explained largest portion of total variability in PGE concentrations. High excess indoor humidity (g/m(3)) additionally contributed to a sustained PGE levels in indoor air far beyond several months following the paint application. No behavioral or building structural factors, except for water-based cleaning, predicted an elevated terpene level in air. No significant predictor of Texanols emerged from our analysis. Overall disparate sources and low correlations among the PGEs, terpenes, Texanols, and thephthalates further confirm the lack of confounding in the analysis reporting the associations of the PGE and the diagnoses of asthma, rhinitis, and eczema, respectively.
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