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KMID : 0384320070280050379
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Korean Journal of Family Medicine
2007 Volume.28 No. 5 p.379 ~ p.382
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Relationship between Passive Smoke and Urinary Cotinine Level
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Kim Min-Jung
Kim Cheol-Hwan
Kim Yang-Hyun
Kang Joo-Ho
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Abstract
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Background: Cotinine, a nicotine metabolite detected in urine, has been recommended as the best quantitative marker of smoking and environmental tobacco smoke (ETS) exposure. The aim of this study was to analyze the relationship between indoor ETS and urinary cotinine level of the passive smokers.
Methods: We selected 42 nonsmokers who lived in Seoul and were not exposed to passive smoking at least 5 days before test. Urinary cotinine levels were measured by Smokescreen Colorimeter (Surescreen Diagnostics LTD, U.K.). We measured urinary cotinine levels twice (before and after smoking exposure).
Results: The mean urinary cotinine level was 0.33μg/mL before smoking exposure, and 0.46μg/mL after smoking exposure. There was statistically significant difference (P-value=0.003). There was no significant difference between exposure time and increase of urinary cotinine level(P=0.138, r=-0.233). There was also no significant difference between measuring time taking after exposure and increase of urinary cotinine level (P=0.671, r=0.067).
Conclusion: One experience of indoor exposure to ETS caused significant elevation of urinary cotinine level. (J Korean Acad Fam Med 2007;28:379-382)
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KEYWORD
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passive smoking, cotinine, nicotine
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