Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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Convergent association between socioeconomic status and the blood concentrations of mercury, lead, and cadmium in the Korean adult population: based on the sixth Korea National Health and Nutritional Examination Surveys (KNHANES 2013-2015)

한국성인의 사회경제적수준과 혈중 중금속 농도의 융합적 분석

  • Kim, Junghyun (Department of Public Health, Graduate School of Public Health, Seoul National University) ;
  • Cho, Youngtae (Department of Public Health, Graduate School of Public Health, Seoul National University)
  • 김정현 (서울대학교 보건대학원 보건학과) ;
  • 조영태 (서울대학교 보건대학원 보건학과)
  • Received : 2019.01.30
  • Accepted : 2019.03.20
  • Published : 2019.05.28
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Abstract

The purpose of this study was to investigate the association between socioeconomic status and blood heavy metal concentration in Korean adult population using the Korea National Health and Nutritional Examination Survey(KNHANES 2013-2015). Multiple logistic regression analysis was used to determine the association between socioeconomic status and the blood heavy metal concentration. Positive association was found between education and income level and blood concentration of mercury while those of lead and cadmium were negatively associated education and income level in Korean adult population (P for trend <0.001). At the point of an increase in the prevalence of heavy metal concentrations in the blood, a national public health policy will be needed to address the inequity of health due to socioeconomic factors.

본 연구는 사회경제적 상태의 지표인 교육수준 및 소득수준과 수은, 납, 카드뮴의 혈중 중금속 농도간의 관련성을 살펴보고자 하였다. 국민건강영양조사 2013-2015년 자료를 이용하여 성별에 따른 사회경제적상태와 혈중 중금속 농도간의 관련성을 분석하기 위해 로지스틱회귀분석을 실시하였다. 분석결과 한국성인의 교육과 소득수준이 높을수록 혈중 수은의 농도는 증가하는 경향이 나타났고, 혈중 납과 카드뮴의 농도는 감소하는 경향을 보였다 (P for trend <0.001). 혈중 중금속 농도의 유병률이 증가하고 있는 시점에서 사회경제적수준에 따른 건강불평등을 해결하기 위한 국가차원의 공중보건학적 정책이 필요할 것으로 사료된다.

Keywords

Table 1. General characteristics of study participants according to gender

OHHGBW_2019_v10n5_51_t0001.png 이미지

Table 2. Characteristics of study participants according to categories of household income

OHHGBW_2019_v10n5_51_t0002.png 이미지

Table 3. Characteristics of study participants according to categories of education level

OHHGBW_2019_v10n5_51_t0003.png 이미지

Table 4. The relationship between household income level and heavy metals concentration according to the demographic factors

OHHGBW_2019_v10n5_51_t0004.png 이미지

Table 5. Odds ratios and 95% confidence intervals of the level of Heavy metals among Korean adults across categories of SES

OHHGBW_2019_v10n5_51_t0005.png 이미지

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