1. Baker EH. Socioeconomic status, definition. In : Cockerham WC, Dingwall R, Quah SR, editors. The Wiley Blackwell encyclopedia of health, illness, behavior, and society. Hoboken. NJ: John Wiley & Sons;2014.
2. Kennedy BP, Kawachi I, Glass R, Prothrow-Stith D. Income distribution, socioeconomic status, and self rated health in the United States: multilevel analysis. BMJ. 1998; 317:917–21.
Article
3. Mackenbach JP, Kunst AE, Cavelaars AE, Groenhof F, Geurts JJ, The EU Working Group on Socioeconomic Inequalities in Health. Socioeconomic inequalities in morbidity and mortality in Western Europe. Lancet. 1997; 349:1655–9.
Article
4. Lantz PM, House JS, Lepkowski JM, Williams DR, Mero RP, Chen J. Socioeconomic factors, health behaviors, and mortality: results from a nationally representative prospective study of US adults. JAMA. 1998; 279:1703–8.
5. Marmot M. Social determinants of health inequalities. Lancet. 2005; 365:1099–104.
Article
6. Tran DD, Groeneveld AB, van der Meulen J, Nauta JJ, Strack van Schijndel RJ, Thijs LG. Age, chronic disease, sepsis, organ system failure, and mortality in a medical intensive care unit. Crit Care Med. 1990; 18:474–9.
Article
7. Hutchings A, Raine R, Brady A, Wildman M, Rowan K. Socioeconomic status and outcome from intensive care in England and Wales. Med Care. 2004; 42:943–51.
Article
8. Kaufman JS, Cooper RS, McGee DL. Socioeconomic status and health in blacks and whites: the problem of residual confounding and the resiliency of race. Epidemiology. 1997; 8:621–8.
Article
9. Baldwin MR, Sell JL, Heyden N, Javaid A, Berlin DA, Gonzalez WC, et al. Race, ethnicity, health insurance, and mortality in older survivors of critical illness. Crit Care Med. 2017; 45:e583–91.
Article
10. Halpern NA, Pastores SM. Critical care medicine in the United States 2000-2005: an analysis of bed numbers, occupancy rates, payer mix, and costs. Crit Care Med. 2010; 38:65–71.
Article
11. Milbrandt EB, Kersten A, Rahim MT, Dremsizov TT, Clermont G, Cooper LM, et al. Growth of intensive care unit resource use and its estimated cost in Medicare. Crit Care Med. 2008; 36:2504–10.
Article
12. Lim B. Korean medicine coverage in the National Health Insurance in Korea: present situation and critical issues. Integr Med Res. 2013; 2:81–8.
Article
13. Anderson T, Kohler HP. Education fever and the East Asian fertility puzzle: a case study of low fertility in South Korea. Asian Popul Stud. 2013; 9:196–215.
14. Oh TK, Kim K, Do SH, Hwang JW, Jeon YT. Association between Socioeconomic status and 30-day and one-year all-cause mortality after surgery in South Korea. J Clin Med. 2018; 7:E52.
Article
15. Ho KM, Dobb GJ, Knuiman M, Finn J, Webb SA. The effect of socioeconomic status on outcomes for seriously ill patients: a linked data cohort study. Med J Aust. 2008; 189:26–30.
Article
16. Shin HY, Kang HT, Lee JW, Lim HJ. The association between socioeconomic status and adherence to health check-up in Korean adults, based on the 2010-2012 Korean National Health and Nutrition Examination Survey. Korean J Fam Med. 2018; 39:114–21.
Article
17. Kwon S. Thirty years of national health insurance in South Korea: lessons for achieving universal health care coverage. Health Policy Plan. 2009; 24:63–71.
Article
18. Lyon SM, Benson NM, Cooke CR, Iwashyna TJ, Ratcliffe SJ, Kahn JM. The effect of insurance status on mortality and procedural use in critically ill patients. Am J Respir Crit Care Med. 2011; 184:809–15.
Article
19. Sommers BD, Baicker K, Epstein AM. Mortality and access to care among adults after state Medicaid expansions. N Engl J Med. 2012; 367:1025–34.
Article
20. Hacker JS. The historical logic of national health insurance: structure and sequence in the development of British, Canadian, and U.S. medical policy. Stud Am Polit Dev. 1998; 12:57–130.
Article
21. Tourangeau AE, Doran DM, McGillis Hall L, O’Brien Pallas L, Pringle D, Tu JV, et al. Impact of hospital nursing care on 30-day mortality for acute medical patients. J Adv Nurs. 2007; 57:32–44.
Article
22. Alter DA, Iron K, Austin PC, Naylor CD, SESAMI Study Group. Socioeconomic status, service patterns, and perceptions of care among survivors of acute myocardial infarction in Canada. JAMA. 2004; 291:1100–7.
Article