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KMID : 1137920120370040223
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Journal of Agricultral Medicine & Community Health
2012 Volume.37 No. 4 p.223 ~ p.232
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The Relationship between Fish Consumption and Blood Mercury Levels in Residents of Busan Metropolitan City and Gyeongnam Province
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Kim Chan-Woo
Kim Young-Wook
Chae Chang-Ho
Son Jun-Seok
Kim Ja-Hyeon
Park Hyoung-Ouk
Kang Yune-Sik
Kim Jang-Rak
Hong Young-Seoub
Kim Dae-Seon
Jeong Baek-Geun
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Abstract
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Objectives: The objective of this study was to identify the relationship between fish consumption and blood mercury levels in a sample of adult Koreans.
Methods: The study subjects were 299 residents of Busan (male: 65, female: 234) and 185 residents of Namhae (male: 69, female: 116), South Korea. Demographic characteristics, current smoking, current drinking, fish consumption per week, past history of amalgam treatment, and residential district were recorded by trained interviewers in June and July, 2009. We considered a portion of fish to be equivalent to 70 gm weight, and calculated amounts of fish consumed per week. Using chi-square tests, t-tests, ANOVA, and multiple linear regression analysis, we estimated the relationships between blood mercury levels and amount of fish consumed per week and other factors.
Results: The mean blood mercury level of our subjects was 6.61 ㎍/L, higher than the criterion defined by the United States Environmental Protection Agency (EPA) (5.8 ㎍/L). In multiple linear regression analysis, residential district and amount of fish consumed per week were associated with blood mercury levels. However, marital status, current drinking, and gender, and age were not associated with blood mercury levels.
Conclusions: In conclusion, we suggest the implementation of systematic and periodic population-based studies to decrease the risks of mercury poisoning among South Koreans who consume fish as a regular part of the diet.
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KEYWORD
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Fish, Mercury, Blood
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