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Onset and remission of eczema at pre-school age in relation to prenatal and postnatal air pollution and home environment across China
- Lu, Chan (author)
-
- Norbäck, Dan (author)
- Uppsala universitet,Arbets- och miljömedicin,XiangYa School of Public Health, Central South University, Changsha, Hunan, China; School of Energy Science and Engineering, Central South University, Changsha, Hunan, China
- Zhang, Yinping (author)
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- Li, Baizhan (author)
- Zhao, Zhuohui (author)
- Huang, Chen (author)
- Zhang, Xin (author)
- Qian, Hua (author)
- Sun, Yuexia (author)
- Sundell, Jan (author)
- Liu, Wei (author)
- Deng, Qihong (author)
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- (creator_code:org_t)
- Elsevier, 2021
- 2021
- English.
- In: Science of the Total Environment. - : Elsevier. - 0048-9697 .- 1879-1026. ; 755:Part 1
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We investigated associations between prenatal and postnatal environmental factors and onset and remission of preschool childhood eczema across China. The study population was preschoolers in randomized day care centers in seven cities (N = 39,782). Data on eczema and prenatal and postnatal indoor and outdoor environment were obtained from a cross-sectional questionnaire sent to parents or other guardians. Reports on eczema in the first 2 years and in the past year was used to retrospectively calculate onset and remission (changes of reported eczema). Prenatal and postnatal outdoor temperature, NO2 and PM10 were modelled from official air pollution data. Associations were estimated by two-level logistic regression. Calculated onset rate was 3.2%/y and remission rate 29.2%/y. Exposure to NO2 during pregnancy was associated with onset of eczema, similarly for all trimesters. Postnatal PM10 and NO2 were related to decreased remission. Postnatal outdoor temperature was associated with onset of eczema. Pre-natal and current redecoration or buying new furniture, and perinatal as well as current dampness and indoor mould, were associated with increased onset and decreased remission. Cockroaches in current home was another indoor risk factors. Prenatal exposure to farm environment and large family size were all negatively associated with eczema. In conclusion, a warmer climate and prenatal NO2 can be associated with increased onset of eczema in Chinese preschoolers. Postnatal PM10 and NO2 can be associated with reduced remission. Perinatal and current dampness, indoor mould and cockroaches may increase onset and decrease remission. Exposure to chemical emissions from indoor materials after first year of life may increase onset. Prenatal exposure to farm environment and large family size could be protective.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Keyword
- Dampness
- Eczema
- Farm exposure
- Mould
- NO2
- PM10
- Renovation
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Lu, Chan
- Norbäck, Dan
- Zhang, Yinping
- Li, Baizhan
- Zhao, Zhuohui
- Huang, Chen
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- Zhang, Xin
- Qian, Hua
- Sun, Yuexia
- Sundell, Jan
- Wang, Juan
- Liu, Wei
- Deng, Qihong
- show less...
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