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- Original Article The Effects of Particulate Matter on Respiratory Function of Schoolchildren in Jeju: A Panel Study
- Jae Yong Moon, Su Young Kim, Kwang Sik Park, Ho Kim, Chung Won Kang, Hyun Seung Park, Soo Hun Cho, Yun Chul Hong
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DOI: https://doi.org/10.35371/kjoem.2009.21.3.218
Published online: September 30, 2009
1Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea. ychong1@snu.ac.kr 
2Department of Preventive Medicine, College of Medicine, Cheju National University, jeju, Korea.
3College of Pharmacy, Dongduk Women's University, Seoul, Korea.
4Department of Biostatistics and Epidemiology, Graduate School of Public Health, Seoul National University, Seoul, Korea.
5Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea.
2Department of Preventive Medicine, College of Medicine, Cheju National University, jeju, Korea.
3College of Pharmacy, Dongduk Women's University, Seoul, Korea.
4Department of Biostatistics and Epidemiology, Graduate School of Public Health, Seoul National University, Seoul, Korea.
5Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea.
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Abstract
OBJECTIVE: To evaluate the changes in respiratory function associated with daily changes in particulate pollution.
METHODS
A total of 105 healthy schoolchildren of fourth and fifth grade elementary school age performed peak expiratory flow rates (PEFR) during 2 periods (May 14~June 15, Oct 22~Nov 23). We monitored concomitant ambient particulate matter (PM) levels during the periods.
RESULTS
An elevation PM(10) level of 1 microgram/m) led to decreases in PEFR of 0.20 L/min. A 1 microgram/m3 elevation of PM(2.5) led to a decrease of 0.36 L/min in PEFR. In addition, 1 day lag was associated with PM(10) levels and PEFR changes, and PM(2.5) showed the same result. The metal levels determined at PM(10) and PM(2.5) were found to be associated with decreased respiratory function.
CONCLUSIONS
An association between respiratory function and particulate pollution was observed when particulate pollutant levels were lower than the yearly average National Ambient Air Quality Standard in the Korea(50 microgram/m3).
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