Estimating model-based nonnegative population marginal means in application to medical expenditures covered by different health care policies – A study on Medical Expenditure Panel Survey

The medical care expenditure is historically an important public health issue, which greatly impacts the government’s health policies as well as patients’ financial and medical decisions. In population health research, we commonly discretize a numeric attribute to a few ordinal groups to examine population characteristics. Oftentimes, the population marginal mean estimation by the ANOVA approach is inflexible since it uses pre-defined grouping of the covariate. In this paper, we propose a method to estimate the...
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