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The effect of subjective and objective social class on health-related quality of life: new paradigm using longitudinal analysis

 Young Choi ; Jae-Hyun Kim ; Eun-Cheol Park 
 Health Qual Life Outcomes, Vol.13 : 121, 2015 
Journal Title
 Health Qual Life Outcomes 
Issue Date
BACKGROUND: To investigate the impact of the gap between subjective and objective social status on health-related quality of life. METHODS: We analyzed data from 12,350 participants aged ≥ 18 years in the Korean Health Panel Survey. Health-related quality of life was measured by EuroQol-Visual analogue scale. Objective (income and education) and subjective social class (measured by MacArthur scale) was classified into three groups (High, Middle, Low). In terms of a gap between objective and subjective social class, social class was grouped into nine categories ranging from High-High to Low-Low. A linear mixed model was used to investigate the association between the combined social class and health-related quality of life. RESULTS: The impact of the gap between objective and subjective status on Health-related quality of life varied according to the type of gap. Namely, at any given subjective social class, an individual's quality of life declined with a decrease in the objective social class. At any given objective social class (e.g., HH, HM, HL; in terms of both education and income), an individual's quality of life declined with a one-level decrease in subjective social class. CONCLUSION: Our results suggest that studies of the relationship between social class and health outcomes may consider the multidimensional nature of social status.
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1. 연구논문 > 1. College of Medicine > Dept. of Preventive Medicine
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