Interaction effect of prenatal and postnatal exposure to ambient air pollution and temperature on childhood asthma

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Interaction effect of prenatal and postnatal exposure to ambient air pollution and temperature on childhood asthma

Lu, Chan (author): Cent South Univ, XiangYa Sch Publ Hlth, Changsha, Hunan, Peoples R China.

Zhang, Yinping (author): Tsinghua Univ, Sch Architecture, Beijing, Peoples R China.

Li, Baizhan (author): Chongqing Univ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Chongqing, Peoples R China.

Zhao, Zhuohui (author): Fudan Univ, Dept Environm Hlth, Shanghai, Peoples R China.

Huang, Chen (author): Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai, Peoples R China.

Zhang, Xin (author): Shanxi Univ, Inst Environm Sci, Taiyuan, Peoples R China.

Qian, Hua (author): Southeast Univ, Sch Energy & Environm, Nanjing, Peoples R China.

Wang, Juan (author): Uppsala universitet,Arbets- och miljömedicin

Liu, Wei (author): Chongqing Univ Sci & Technol, Inst Hlth & Environm, Chongqing, Peoples R China.

Sun, Yuexia (author): Tianjin Univ, Sch Environm Sci & Engn, Tianjin, Peoples R China.

Norbäck, Dan (author): Uppsala universitet,Arbets- och miljömedicin

Deng, Qihong (author): Zhengzhou Univ, Sch Publ Hlth, Zhengzhou, Henan, Peoples R China.

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Cent South Univ, XiangYa Sch Publ Hlth, Changsha, Hunan, Peoples R China Tsinghua Univ, Sch Architecture, Beijing, Peoples R China. (creator_code:org_t)

Elsevier, 2022
2022
English.
In: Environment International. - : Elsevier. - 0160-4120 .- 1873-6750. ; 167

Related links:: https://doi.org/10.1...; show more...; https://uu.diva-port... (primary) (Raw object); https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Background: Although mounting evidence has associated air pollution and environmental temperature with children's health problems, it is unclear whether there is an interaction between these factors on childhood asthma.Objectives: To explore the effects of temperature-pollution interactions during pre- and post-natal periods on asthma among pre-schoolers.Methods: A retrospective cohort study of 39,782 pre-schoolers was performed during 2010-2012, in seven cities in China. Exposure to three temperature indicators (TI) and three critical ambient air pollutants, including particulate matter with aerodynamic diameter <= 10 mu m (PM10), sulfur dioxide (SO2) and nitrogen dioxide (NO2) as proxies of industrial and vehicular air pollution, was estimated by an inverse distance weighted (IDW) method. Two-level logistical regression analysis was used to examine the association between both pre- and post-natal exposure and childhood asthma in terms of odds ratio (OR) and 95 % confidence interval (CI).Results: Asthma prevalence in pre-schoolers at age of 3-6 years (6.9 %) was significantly associated with traffic-related air pollutant (NO2) exposure, with ORs (95 % CI) of 1.17 (1.06, 1.28), 1.19 (1.05-1.34) and 1.16 (1.03-1.31) for an IQR increase in NO2 exposure during lifetime, pregnancy, and entire postnatal period respectively. Furthermore, childhood asthma was positively associated with exposure to increased temperature during lifetime, pregnancy, and entire postnatal period with ORs (95 % CI) = 1.89 (1.66, 2.16), 1.47 (1.34, 1.61), and 1.15 (1.11, 1.18) respectively, while was negatively associated with decreased temperatures. Childhood asthma was positively related with exposure to extreme heat days (EHD) during postnatal period particularly in first year of life respectively with ORs (95 % CI) = 1.23 (1.04, 1.46) and 1.26 (1.07, 1.47), but was not related with extreme cold days (ECD) exposure. A combination of high air pollutant levels and high temperatures significantly increased the risk of asthma during both pre- and post-natal periods. Strikingly, we found a significantly positive interaction of temperature and PM10 or SO2 on asthma risk among boys and younger children.Conclusions: Prenatal and postnatal exposure to ambient air pollution and high temperatures are independently and jointly associated with asthma risk in early childhood.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Lungmedicin och allergi (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Respiratory Medicine and Allergy (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)

Keyword

Air pollution
Temperature
Asthma
Early childhood
Prenatal and postnatal
Interaction

Publication and Content Type

ref (subject category)
art (subject category)

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By the author/editor: Lu, Chan; Zhang, Yinping; Li, Baizhan; Zhao, Zhuohui; Huang, Chen; Zhang, Xin; show more...; Qian, Hua; Wang, Juan; Liu, Wei; Sun, Yuexia; Norbäck, Dan; Deng, Qihong; show less...

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Respiratory Medi ...

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Health Sciences; and Occupational Hea ...

Articles in the publication: Environment Inte ...

By the university: Uppsala University

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