Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Blood Lead Concentration and Hypertension in Korean Adults Aged 40 and Over According to KNHANES IV (2008)

40세 이상의 한국성인의 혈중 납 농도와 고혈압 - 2008년 국민건강영양조사를 바탕으로 -

  • Kim, Sun-Young (Department of Healthcare Administration, Jinju Health College) ;
  • Lee, Duk-Hee (Department of Preventive Medicine and Health Promotion Research Center, School of Medicine, Kyungpook National University)
  • 김선영 (진주보건대학교 보건행정과) ;
  • 이덕희 (경북대학교 의과대학 예방의학교실)
  • Received : 2011.11.10
  • Accepted : 2011.12.15
  • Published : 2011.12.31
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Abstract

Objectives: The purpose of this study was to examine the cross-sectional relationship between low blood lead levels and increasing blood pressure among Korean adults using a nationally representative sample of the Korean population: the Korea National Health and Nutrition Examination Survey (KNHANES) 2008. Methods: A total of 918 subjects aged 40 and older and not currently being treated for hypertension participated in this study. Information about age, gender, smoking status, alcohol consumption, education level, and the use of anti-hypertensive medication was collected. The blood pressure was defined as the mean of the second and the third measurements after three time measurements. Lead levels were determined by an analysis of blood samples. Multiple linear and logistic regression analyses were implemented after adjusting for covariates including age, gender, educational level, smoking status, alcohol consumption, and BMI. Results: This study showed that the average differences in systolic and diastolic blood pressure comparing the lowest to highest quintile of blood lead were 4.33 mmHg (95% CI, 0.66-8.00; p for trend = 0.027) and 2.66 mmHg (95% CI, 0.26-5.06; p for trend = 0.021), respectively. After multivariate adjustment for covariates, the prevalence odds ratio (POR) of subjects in the highest quintile was associated with a 1.70-fold increase in the risks of hypertension (95% CI, 0.83-3.49; p for trend test = 0.112) over those in the lowest quintile of blood lead concentration, However, it was not statistically significant. Conclusions: This study provided evidence for an association between low- levels of blood lead and elevations in blood pressure and risk for hypertension in the general population of Korea.

Keywords

References

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