Structural equation modeling for decomposing rank-dependent indicators of socioeconomic inequality of health: an empirical study
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2016-12-07
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Health Economics Review
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Springer
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Melbourne School of Population and Global Health
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Journal Article
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Kessels, R. & Erreygers, G. (2016). Structural equation modeling for decomposing rank-dependent indicators of socioeconomic inequality of health: an empirical study. Health Economics Review, 6 (1), https://doi.org/10.1186/s13561-016-0134-2.
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Abstract
We present a flexible structural equation modeling (SEM) framework for the regression-based decomposition of rank-dependent indicators of socioeconomic inequality of health and compare it with simple ordinary least squares (OLS) regression. The SEM framework forms the basis for a proper use of the most prominent one- and two-dimensional decompositions and provides an argument for using the bivariate multiple regression model for two-dimensional decomposition. Within the SEM framework, the two-dimensional decomposition integrates the feedback mechanism between health and socioeconomic status and allows for different sets of determinants of these variables. We illustrate the SEM approach and its outperformance of OLS using data from the 2011 Ethiopian Demographic and Health Survey.