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KMID : 0358520090210030218
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Korean Journal of Occupational and Environmental Medicine
2009 Volume.21 No. 3 p.218 ~ p.224
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The Effects of Particulate Matter on Respiratory Function of Schoolchildren in Jeju: A Panel Study
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Moon Jae-Yong
Kim Su-Young
Kim Ho
Hong Yong-Tae
Cho Soo-Hun
Park Kwang-Sik
Kang Chung-Won
Park Hyun-Seung
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Abstract
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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 PM10 level of 1 ㎍/㎥ led to decreases in PEFR of 0.20 L/min. A 1 ㎍/㎥ elevation of PM2.5 led to a decrease of 0.36 L/min in PEFR. In addition, 1 day lag was associated with PM10 levels and PEFR changes, and PM2.5 showed the same result. The metal levels determined at PM10 and PM2.5 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 ㎍/㎥).
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KEYWORD
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Particulate matter, Respiratory function test, Children, Metals
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