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SHR Neuro Cancer Cardio Lipid Metab Microb
Gui, ZH; Heinrich, J; Morawska, L; Zhao, TY; Yim, SH; Lao, XQ; Gao, M; Chen, DH; Ma, HM; Lin, LZ; Liu, RQ; Dong, GH.
Long-term exposure to ozone and sleep disorders in children: A multicity study in China.
Environ Res. 2024; 260: 119553
Doi: 10.1016/j.envres.2024.119553
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- Co-authors Med Uni Graz
- Zhao Tianyu
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- Abstract:
- Evidence regarding the link between long-term ambient ozone (O3) exposure and childhood sleep disorders is little. This study aims to examine the associations between long-term exposure to O3 and sleep disorders in children. We conducted a population-based cross-sectional survey, including 185,428 children aged 6-18 years in 173 schools across 14 Chinese cities during 2012 and 2018. Parents or guardians completed a checklist using Sleep Disturbance Scale for Children, and O3 exposure at residential and school addresses was estimated using a satellite-based spatiotemporal model. We used generalized linear mixed models to test the associations with adjustment for factors including socio-demographic variables, lifestyle, meteorology and multiple pollutants. Mean concentrations of O3, particulate matter with diameters ≤2.5 mm (PM2.5) and nitrogen dioxide (NO2) were 89.0 μg/m3, 42.5 μg/m3 and 34.4 μg/m3, respectively. O3 and NO2 concentrations were similar among provinces, while PM2.5 concentration varied significantly among provinces. Overall, 19.4% of children had at least one sleep disorder. Long-term exposure to O3 was positively associated with odds of sleep disorders for all subtypes. For example, each interquartile increment in home-school O3 concentrations was associated with a higher odds ratio for global sleep disorder, at 1.22 (95% confidence interval: 1.18, 1.26). Similar associations were observed for sleep disorder subtypes. The associations remained similar after adjustment for PM2.5 and NO2. Moreover, these associations were heterogeneous regionally, with more prominent associations among children residing in southeast region than in northeast and northwest regions in China. We concluded that long-term exposure to O3 is positively associated with risks of childhood sleep disorders. These associations varied by geographical region of China.
- Find related publications in this database (using NLM MeSH Indexing)
- Humans - administration & dosage
- Ozone - analysis, adverse effects
- Child - administration & dosage
- China - epidemiology
- Adolescent - administration & dosage
- Male - administration & dosage
- Female - administration & dosage
- Air Pollutants - analysis
- Environmental Exposure - adverse effects
- Sleep Wake Disorders - epidemiology, chemically induced
- Cross-Sectional Studies - administration & dosage
- Particulate Matter - analysis
- Nitrogen Dioxide - analysis, adverse effects
- Air Pollution - adverse effects, analysis