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- Title
Estimating the VA total health care cost using a semi-parametric heteroscedastic two-part model.
- Authors
Zhou, X.; Qin, G.; Maciejewski, M.
- Abstract
To appropriately assess the impact of the establishment of community-based outpatient clinics (CBOCs) on the total health care costs in a VA study, we need to deal with three methodological problems inherent in the data. The first problem is skewness of the data. The second one is zero costs for some patients. The third one is heteroscedasticity. We proposed a semi-parametric heteroscedastic two-part transformation regression model to deal with these problems, and the proposed model would allow us to explicit model heteroscedasticity.
- Subjects
UNITED States; OUTPATIENT services in veterans' hospitals; HETEROSCEDASTICITY; MEDICAL care costs; RESEARCH methodology; REGRESSION analysis
- Publication
Health Services & Outcomes Research Methodology, 2006, Vol 6, Issue 1/2, p69
- ISSN
1387-3741
- Publication type
Article
- DOI
10.1007/s10742-006-0007-y