title: Effect of socio-economic status on the prevalence of diabetes.
abstract: OBJECTIVE
  As Korean society has become industrialized and westernized, the prevalence of diabetes has increased rapidly. Environmental factors, especially socio-economic status (SES), may account for the increased prevalence of diabetes. We evaluated the associations between the prevalence of diabetes and SES as reflected by household income and education level.
  
  
  METHODS
  This study was based on data obtained from the fifth Korea National Health and Nutrition Examination Survey, conducted in 2010-2012. Diabetes referred to a fasting plasma glucose ≥126 mg/dL in the absence of known diabetes, previous diagnosis of diabetes made by a physician, and/or current use of oral hypoglycemic agents or insulin.
  
  
  RESULTS
  Household income and education level were inversely associated with the prevalence of diabetes among individuals aged 30 years or older. These associations were more prominent in females aged 30-64 years. According to household income, the odds ratio (OR) [95% confidence interval (CI)] for the lowest quartile group versus the highest quartile group was 4.96 (2.87-8.58). According to education level, the OR (95% CI) for the lowest quartile group versus the highest quartile group was 8.02 (4.47-14.4).
  
  
  CONCLUSIONS
  Public policies for the prevention and management of diabetes should be targeted toward people of lower SES, especially middle-aged females.
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.
authors.forename: Yu Jeong
authors.initials: YJ
authors.lastname: Kim
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.; Cardiovascular and Metabolic Disease Etiology Research Center, Ajou University School of Medicine, Suwon, Korea.
authors.forename: Ja Young
authors.initials: JY
authors.lastname: Jeon
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.; Cardiovascular and Metabolic Disease Etiology Research Center, Ajou University School of Medicine, Suwon, Korea.
authors.forename: Seung Jin
authors.initials: SJ
authors.lastname: Han
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.; Cardiovascular and Metabolic Disease Etiology Research Center, Ajou University School of Medicine, Suwon, Korea.
authors.forename: Hae Jin
authors.initials: HJ
authors.lastname: Kim
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.
authors.forename: Kwan Woo
authors.initials: KW
authors.lastname: Lee
authors.affiliation: Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.; Cardiovascular and Metabolic Disease Etiology Research Center, Ajou University School of Medicine, Suwon, Korea. djkim@ajou.ac.kr.
authors.forename: Dae Jung
authors.initials: DJ
authors.lastname: Kim
mesh_terms: D000328:Adult; D044466:Asian People / Q000208:ethnology / Q000706:statistics & numerical data*; D003920:Diabetes Mellitus / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009749:Nutrition Surveys; D016017:Odds Ratio; D015995:Prevalence; D056910:Republic of Korea / Q000453:epidemiology; D012307:Risk Factors; D012923:Social Class; D012959:Socioeconomic Factors
keywords: Prevalence; Republic of Korea; diabetes mellitus; epidemiology; nutritional surveys; social class
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