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Development of a Medicaid Behavioral Health Case-Mix Model

Author

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  • John Robst

    (Department of Mental Health Law and Policy, Florida Mental Health Institute, Tampa, Florida, jrobst@fmhi.usf.edu, Department of Economics, University of South Florida, Tampa, Florida, Institute for the Study of Labor (IZA), Bonn, Germany)

Abstract

Many Medicaid programs have either fully or partially carved out mental health services. The evaluation of carve-out plans requires a case-mix model that accounts for differing health status across Medicaid managed care plans. This article develops a diagnosis-based case-mix adjustment system specific to Medicaid behavioral health care. Several different model specifications are compared that use untransformed, square root transformed, and log-transformed expenditures.

Suggested Citation

  • John Robst, 2009. "Development of a Medicaid Behavioral Health Case-Mix Model," Evaluation Review, , vol. 33(6), pages 519-538, December.
    • Handle: RePEc:sae:evarev:v:33:y:2009:i:6:p:519-538
    DOI: 10.1177/0193841X09349420
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    References listed on IDEAS

    as
    1. Susan Ettner & Richard Frank & Tami Mark & Mark Smith, 2000. "Risk adjustment of capitation payments to behavioral health care carve-outs: How well do existing methodologies account for psychiatric disability?," Health Care Management Science, Springer, vol. 3(2), pages 159-169, February.
    2. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-838, May.
    3. Kanika Kapur & Chien-Wen Tseng & Afshin Rastegar & Grace Carter & Emmett Keeler, 2003. "Medicare calibration of the clinically detailed risk information system for cost," Open Access publications 10197/274, School of Economics, University College Dublin.
    4. Hirotugu Akaike, 1969. "Fitting autoregressive models for prediction," Annals of the Institute of Statistical Mathematics, Springer;The Institute of Statistical Mathematics, vol. 21(1), pages 243-247, December.
    5. David M. Cutler & Mark McClellan & Joseph P. Newhouse, 2000. "How Does Managed Care Do It?," RAND Journal of Economics, The RAND Corporation, vol. 31(3), pages 526-548, Autumn.
    6. Sawa, Takamitsu, 1978. "Information Criteria for Discriminating among Alternative Regression Models," Econometrica, Econometric Society, vol. 46(6), pages 1273-1291, November.
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