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Income disparity and mortality among patients with alcohol use disorder in South Korea

Authors
 Chae Woon Kwak  ;  Kyu-Tae Han  ;  Chung Mo Nam  ;  Ki Tae Moon  ;  Ho-Soon Yoon  ;  Eun-Cheol Park 
Citation
 PSYCHIATRY RESEARCH-NEUROIMAGING, Vol.258 : 358-364, 2017 
Journal Title
 PSYCHIATRY RESEARCH-NEUROIMAGING 
ISSN
 0925-4927 
Issue Date
2017
MeSH
Adult ; Aged ; Alcohol Drinking/adverse effects ; Alcoholism/economics* ; Alcoholism/mortality* ; Alcoholism/prevention & control ; Female ; Humans ; Income/statistics & numerical data* ; Male ; Middle Aged ; Poverty/statistics & numerical data ; Proportional Hazards Models ; Republic of Korea/epidemiology ; Risk
Keywords
Alcoholic disorders ; Income disparity ; Mortality ; Survival analysis
Abstract
Problems related to alcohol consumption, particularly alcohol disorders, occur frequently in South Korea and are gradually increasing due to the drinking culture and social atmosphere. We analyzed the relationship between mortality and income among patients with alcohol disorders. We used data from the National Sampling Claim Data 2003-2013, which included medical claims filed for 10,593 patients newly diagnosed with alcohol disorders. We performed survival analyses using a Cox proportional hazards model. 12.79% died during the study period. Patients with lower incomes were more positively associated with the risk of mortality than those with higher incomes (0-30 percentile: hazard ratio [HR] = 1.432, 95% confidence interval [CI] = 1.155-1.777; 31-60 percentile: HR = 1.318, 95% CI = 1.065-1.633; 61-90 percentile: HR = 1.352, 95% CI = 1.097-1.665; 91-100 percentile: ref). Such associations were significant in males, patients with mild conditions, or those who lived in metropolitan areas. In conclusion, we found that income disparity was related to mortality among patients diagnosed with disorders due to alcohol use. Thus, healthcare professionals need to provide active intervention in the early phase of alcohol disorders, and consider policy that would improve healthcare accessibility for low-income populations in order to reduce income disparity.
Full Text
https://www.sciencedirect.com/science/article/pii/S0165178116317334
DOI
10.1016/j.psychres.2017.08.072
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Nam, Chung Mo(남정모) ORCID logo https://orcid.org/0000-0003-0985-0928
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/161216
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