| Title | Ambient air pollution and obesity in school-aged children and adolescents: A multicenter study in China |
| Authors | Zhang, Zilong Dong, Bin Chen, Gongbo Song, Yi Li, Shanshan Yang, Zhaogeng Dong, Yanhui Wang, Zhenghe Ma, Jun Guo, Yuming |
| Affiliation | Sun Yat Sen Univ, Dept Epidemiol, Sch Publ Hlth, Guangzhou, Peoples R China Peking Univ, Sch Publ Hlth, Inst Child & Adolescent Hlth, 38 Xueyuan Rd, Beijing 100191, Peoples R China Publ Hlth Ontario, Dept Environm & Occupat Hlth, Toronto, ON, Canada ICES, Populat & Publ Hlth Res Program, Toronto, ON, Canada Sun Yat Sen Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Guangdong Prov Engn Technol Res Ctr Environm & Hl, Guangzhou, Peoples R China Monash Univ, Sch Publ Hlth & Prevent Med, Dept Epidemiol & Prevent Med, Level 2,553 St Kilda Rd, Melbourne, Vic 3004, Australia Zhengzhou Univ, Coll Publ Hlth, Dept Epidemiol & Biostat, Zhengzhou, Henan, Peoples R China |
| Issue Date | 1-Jun-2021 |
| Publisher | SCIENCE OF THE TOTAL ENVIRONMENT |
| Abstract | Background: Environmental factors such as air pollution may contribute to the development of childhood obesity. However, current epidemiological evidence is limited and inconsistent. Objective: We investigated the associations between long-term air pollution exposure and obesity in a large population of Chinese children and adolescents. Methods: A total of 44,718 children and adolescents (50.5% boys) aged 7 to 18 years were recruited from seven provinces/municipalities in China. Body mass index (BMI), waist circumference, waist-to-height ratio (WHtR) and the prevalence of general and central obesity were measured. Satellite-based spatial-temporal models were used to estimate ambient concentrations of particulate matter with aerodynamic diameter < 1.0 mu m (PM1), <2.5 mu m (PM2.5), <10.0 mu m (PM10) and nitrogen dioxide (NO2). Weused mixed-effects linear and logistic regression models to examine the associations between air pollution exposure and body weight measures. Results: Exposure to PM1, PM2.5, PM10 and NO2 was associated with increased BMI Z-score, waist circumference andWHtR, and higher prevalence of both general and central obesity. Generally, stronger associations were observed for particles, especially PM1 and PM2.5, than for NO2. Also, the associations of particles were generally more stable in two-pollutantmodels. Overall, the associations were more pronounced in boys than in girls except for general obesity. Conclusions: Long-term exposure to air pollution was associated with increased body weight and higher prevalence of obesity in children and adolescents, suggesting potential obesogenic effects of air pollution. (C) 2020 Published by Elsevier B.V. |
| URI | http://hdl.handle.net/20.500.11897/611206 |
| ISSN | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2020.144583 |
| Indexed | SCI(E) |
| Appears in Collections: | 公共卫生学院 |
