Journal article
Is smaller worse? New insights about associations of PM1 and respiratory health in children and adolescents
M Yang, C Chu, MS Bloom, S Li, G Chen, J Heinrich, I Markevych, LD Knibbs, G Bowatte, SC Dharmage, M Komppula, A Leskinen, MR Hirvonen, M Roponen, P Jalava, SQ Wang, S Lin, XW Zeng, LW Hu, KK Liu Show all
Environment International | PERGAMON-ELSEVIER SCIENCE LTD | Published : 2018
Abstract
Background and objectives: Little is known about PM1 effects on respiratory health, relative to larger size fractions (PM2.5). To address this literature gap, we assessed associations between PM1 exposure and asthmatic symptoms in Chinese children and adolescents, compared with PM2.5. Methods: A total of 59,754 children, aged 2–17 years, were recruited from 94 kindergartens, elementary and middle schools in the Seven Northeast Cities (SNEC) study, during 2012–2013. We obtained information on asthma and asthma-related symptoms including wheeze, persistent phlegm, and persistent cough using a standardized questionnaire developed by the American Thoracic Society. PM1 and PM2.5 concentrations we..
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Awarded by National Health and Medical Research Council
Funding Acknowledgements
This work was supported by Major Program of National Natural Science Foundation of China (91543208), Science and Technology Program of Guangzhou (201807010032), the National Natural Science Foundation of China (81872582, 81673128, 81703179, 81472936), National Key Research and Development Program of China (2016YFC0207000), Fundamental Research Funds for the Central Universities (16ykzd02, 17ykpy14, 17ykpy16), Science and Technology Planning Project of Guangdong Province (2014A050503027, 2016A030313342, 2017A050501062, 2017A090905042), Career Development Fellowship of Australian National Health and Medical Research Council (APP1107107), and Early Career Fellowship of Australian National and Medical Research Council (APP1109193).