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Income-related health inequalities across regions in Korea - a case of adolescents  

Ahn, Byung-Chul (School of Economics and Finance, Yeungnam University)
Joung, Hyo-Jee (School of Public Health and Institute of Health and Environment, Seoul National University)
Publication Information
Journal of the Korean Society of School Health / v.22, no.2, 2009 , pp. 25-36 More about this Journal
Abstract
Purpose: The purpose of this study was to estimate income-related health inequalities among adolescent population across regions in Korea. Methods: Data of 8,456 adolescents from 1998, 2001, 2005, 2007 Korean Health and Nutrition Examination Survey were used for the analysis. True health status was proxied by self-rated health and overweight status. Per capita income was computed from household monthly average income adjusted by consumer price with base year 2005. Adolescent health inequalities were estimated by Concentration Index (CI) across income and space. Results: Ill health score was related with age (p<0.0001), gender (p=0.0155) and income (p<0.0001). Negative relationship between income and ill-health indicated that higher income group tended to enjoy better health and less overweight. These evidences suggested ill health were accumulated on the economically disadvantaged adolescents. The size of health inequalities (ill-health score) were estimated as CI=-0.057 and CI=-0.030 across income groups and regions, respectively. Comparable measures of within region health disparities were also observed. Conclusion: Since health disparity among adolescent population was small compared to adult population, lessening adolescent health inequality could be a helpful way of mitigating health disparities in later stage. Considering life stage of adolescents, school system and local communities could play important roles toward adolescent health distribution. Although health disparity between regions existed, health disparity within a region should not be neglected.
Keywords
adolescent; health inequality; overweight; health status disparity;
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Times Cited By KSCI : 3  (Citation Analysis)
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