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J Prev Med Public Health > Volume 43(1); 2010 > Article
Journal of Preventive Medicine and Public Health 2010;43(1): 1-8. doi: http://dx.doi.org/10.3961/jpmph.2010.43.1.1
Relationship Between Serum Concentrations of Organochlorine Pesticides and Metabolic Syndrome Among Non-Diabetic Adults.
Sun Kyun Park, Hyo Kyung Son, Sung Kook Lee, Jung Ho Kang, Yoon Seok Chang, David R Jacobs, Duk Hee Lee
1Department of Preventive Medicine, School of Medicine, Kyungpook National University, Korea. lee_dh@knu.ac.kr
2Daegu-Gyeongbuk Cardiocerebrovascular Center, Korea.
3Department of Occupational & Environmental Medicine, CHA Gumi Medical Center, CHA University, Korea.
4School of Environmental Science and Engineering, POSTECH, Korea.
5Division of Epidemiology, School of Public Health, University of Minnesota, Minnesota, USA.
6Department of Nutrition, University of Oslo, Oslo, Norway.
ABSTRACT
OBJECTIVES: This study was performed to investigate if organochlorine pesticides (OCPs) were associated with metabolic syndrome and insulin resistance among non-diabetes. METHODS: Among subjects who participated in a community-based health survey, 50 non-diabetic subjects with metabolic syndrome and 50 normal controls were selected. Insulin resistance was measured by the homeostasis model assessment (HOMA-IR). Eight OCPs were selected. RESULTS: After adjusting for confounders except for body mass index (BMI), beta-hexachlorocyclohexane (beta-HCH) and heptachlor epoxide were positively associated with metabolic syndrome. Odds ratios across tertiles of beta-HCH and heptachlor epoxide were 1.0, 3.2 and 4.4, and 1.0, 4.0 and 6.0, respectively (p for trend = 0.01 and <0.01). After additional adjustment for body mass index (BMI), heptachlor epoxide still showed an increasing trend with adjusted odds ratios of 1.0, 4.1, and 4.6 (p for trend = 0.10). When the five components of metabolic syndrome (with the definition of high fasting glucose (> or =100 mg/dL)) were separately analyzed, all components were positively, but not significantly, associated with heptachlor epoxide. As the serum concentration of heptachlor epoxide increased, HOMA-IR increased significantly in subjects with metabolic syndrome even after adjusting for BMI (p value <0.05 and <0.01). CONCLUSIONS: Despite the small sample size, this study suggests that the background exposure to some OCPs may be associated with metabolic syndrome.
Key words: Organochlorine compounds; Environmental pollutants; Persistent organic pollutants; Metabolic syndrome X; Insulin resistance; Obesity
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