期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 764, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.142923
关键词
Vegetative fire events; Particulate matter; Hospital visit; Children; Respiratory disease; Remote sensing
资金
- NASA Headquarters
- JSPS KAKENHI [18KK0294]
- Grants-in-Aid for Scientific Research [18KK0294] Funding Source: KAKEN
This study investigated the effects of exposure to air pollutants from vegetation fire events on children's health, specifically the association between PM10 concentrations and hospital visits for respiratory diseases. Results showed a positive correlation between PM10 concentration and respiratory diseases on both burning and non-burning days.
Few studies have focused on the effects of exposure to air pollutants from vegetation fire events (including forest fire and the burning of crop residues) among children. In this study we aimed to investigate the association between PM10 concentrations and hospital visits by children to address respiratory disease, conjunctivitis, and dermatitis. We examined and compared these associations by the presence of vegetation fire events on a given day (burning, non-burning, and mixed) across the upper northern region of Thailand from 2014 through 2018. A vegetation burning was defined when a fire hotspot (obtained from NASA-MODIS) exceeded the 90th percentile of the entire region and PM10 concentration was over 100 mu g/m(3). To determine the association between hospital visits among children with PM10, concentrations on burning and non-burning days, we performed a time-stratified case-crossover analysis fitted with conditional logistic regression for each province. A random-effects meta-analysis was applied to pool province-specific effect estimates. The number of burning days ranged from 64 to 139 days across eight provinces. A 10 mu g/m(3) increase in PM(10 )concentration on a burning day was associated with a respiratory disease-related hospital visit at lag 0 (OR = 1.01 CIs: 1.00, 1.02)). This association was not observed for hospital visits related to conjunctivitis and dermatitis. A positive association was also observed between PM10 concentration on non-burning days and hospital visits related to respiratory disease at lag 0 (OR = 1.03 (95% CIs: 1.02, 1.04)). Hospital visits for conjunctivitis and dermatitis were significantly associated with PM10 concentration al lag 0 on both non-burning and mixed days. (C) 2020 Elsevier B.V. All rights reserved.
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